{"attribution":"California ERC Exchange (calercexchange.com), from each district’s New Source Review rule; cite the rule section given for each figure.","retrieved":"2026-10-04","districts":{"SCAQMD":{"rule":{"cite":"SCAQMD Regulation XIII, Rules 1303 (Requirements), 1304 (Exemptions), 1306, 1309, 1309.1; Rule 1325 (Federal PM2.5 NSR)","title":"Rule 1303 - Requirements; Rule 1304 - Exemptions","date":"Rule 1303 amended Dec. 6, 2002; Rule 1304 amended Nov. 5, 2021; Rule 1306 amended Dec. 6, 2002; Rule 1309.1 May 3, 2002 version reinstated Jan. 8, 2010; Rule 1325 amended Jan. 4, 2019","url":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1303-requirements.pdf"},"notes":"No numeric offset threshold appears in Rule 1303(b)(2) itself; the trigger is the Rule 1304(d) Table A facility exemption (PTE-based, tons/yr), while offset quantities are computed in lb/day (monthly emissions / 30, Rule 1306(b)). Only nonattainment air contaminants require offsets (Rule 1302(z)), so whether CO, SOx, etc. currently need offsets depends on attainment designations not stated in the rule. RECLAIM NOx/SOx facilities use Rule 2005 instead. PM2.5 handled only via Rule 1325 for federal major sources (70 tpy). Rule 1305 was rescinded June 28, 1990.","exemptions":[{"text":"Rule 1304(a): modeling and offset exemptions for functionally identical replacements, electric utility steam boiler replacement (only increased basin capacity offset), portable abrasive blasting, emergency equipment <=200 hr/yr, air pollution control strategies, emergency operations, portable equipment (<12 consecutive months at one facility), portable IC engines meeting lb/day limits.","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},{"text":"Rule 1304(c): offset-only exemptions for relocations within District (same owner/operator, no PTE increase), concurrent facility modification producing a net decrease, cogeneration/resource recovery projects to extent required by state law, regulatory compliance with no capacity increase, essential public services when Priority Reserve offsets unavailable, ODC replacement, methyl bromide fumigation.","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},{"text":"Rule 1304(d): facility exemption below Table A (4 tpy VOC/NOx/SOx/PM10, 29 tpy CO).","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},{"text":"Rule 1309.1: Priority Reserve offsets (1.0:1) for innovative technology, research operations, essential public services, and certain electrical generating facilities.","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1309-1-priority-reserve.pdf"}],"p":{"NOx":{"t":{"text":"Rule 1304(d)(1)-(2) and Table A: facility exemption from offsets (Rule 1303(b)(2)) when facility potential to emit is less than 4 tons per year of NOx; facility PTE equal to or more than Table A must offset. Offsets apply only to a \"nonattainment air contaminant\" (Rule 1303(b); Rule 1302(z), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1302-definitions.pdf).","value":4,"unit":"tons/yr","basis":"facility","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},"r":{"text":"Rule 1303(b)(2)(A): \"Offset ratios shall be 1.2-to-1.0 for Emission Reduction Credits and 1.0-to-1.0 for allocations from the Priority Reserve, except for facilities not located in the South Coast Air Basin (SOCAB), where the offset ratio for Emission Reduction Credits only shall be 1.2-to-1.0 for VOC, NOX, SOX and PM10 and 1.0-to-1.0 for CO.\"","value":1.2,"conditions":"1.2:1 when ERCs are used; 1.0:1 for Priority Reserve (Rule 1309.1) allocations; Short-Term Credits use the same ratio (1303(b)(2)(B)(i)). Sensitive Zone limits on ERC origin apply in SOCAB unless Priority Reserve used (1303(b)(3)). Interpollutant offsets case-by-case; PM10 may not offset NOx or ROG in ozone nonattainment areas (Rule 1309(h), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1309.pdf).","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1303-requirements.pdf"},"q":{"text":"Rule 1304(d)(1)(B): a new facility with PTE >= Table A \"shall offset the total amount of emission increase\"; (d)(2)(B): a modified facility with post-modification PTE >= Table A obtains offsets \"for the corresponding emissions increase, or the amount in excess of Table A figures if the pre-modification potential to emit was less than the amounts in Table A\". Rule 1303(b)(2)(A): \"emission increases shall be offset\". Rule 1306(b) (https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1306-emission-calculations.pdf): increases calculated \"using calendar monthly emissions divided by 30 for determination of the required amount of offsets\" (i.e., lb/day). Rule 1304(d)(5): a new facility accumulating increases above Table A within any two-year period \"shall offset the total emission increases during such period to zero\".","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"}},"VOC":{"t":{"text":"Rule 1304(d)(1)-(2) and Table A: facility exemption from offsets (Rule 1303(b)(2)) when facility potential to emit is less than 4 tons per year of VOC (Volatile Organic Compounds; Rule 1309.1 uses \"ROG\"); facility PTE equal to or more than Table A must offset. Offsets apply only to a \"nonattainment air contaminant\" (Rule 1303(b); Rule 1302(z), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1302-definitions.pdf).","value":4,"unit":"tons/yr","basis":"facility","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},"r":{"text":"Rule 1303(b)(2)(A): \"Offset ratios shall be 1.2-to-1.0 for Emission Reduction Credits and 1.0-to-1.0 for allocations from the Priority Reserve, except for facilities not located in the South Coast Air Basin (SOCAB), where the offset ratio for Emission Reduction Credits only shall be 1.2-to-1.0 for VOC, NOX, SOX and PM10 and 1.0-to-1.0 for CO.\"","value":1.2,"conditions":"1.2:1 when ERCs are used; 1.0:1 for Priority Reserve (Rule 1309.1) allocations; Short-Term Credits use the same ratio (1303(b)(2)(B)(i)). Sensitive Zone limits on ERC origin apply in SOCAB unless Priority Reserve used (1303(b)(3)). Interpollutant offsets case-by-case; PM10 may not offset NOx or ROG in ozone nonattainment areas (Rule 1309(h), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1309.pdf).","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1303-requirements.pdf"},"q":{"text":"Rule 1304(d)(1)(B): a new facility with PTE >= Table A \"shall offset the total amount of emission increase\"; (d)(2)(B): a modified facility with post-modification PTE >= Table A obtains offsets \"for the corresponding emissions increase, or the amount in excess of Table A figures if the pre-modification potential to emit was less than the amounts in Table A\". Rule 1303(b)(2)(A): \"emission increases shall be offset\". Rule 1306(b) (https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1306-emission-calculations.pdf): increases calculated \"using calendar monthly emissions divided by 30 for determination of the required amount of offsets\" (i.e., lb/day). Rule 1304(d)(5): a new facility accumulating increases above Table A within any two-year period \"shall offset the total emission increases during such period to zero\".","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"}},"PM10":{"t":{"text":"Rule 1304(d)(1)-(2) and Table A: facility exemption from offsets (Rule 1303(b)(2)) when facility potential to emit is less than 4 tons per year of PM10; facility PTE equal to or more than Table A must offset. Offsets apply only to a \"nonattainment air contaminant\" (Rule 1303(b); Rule 1302(z), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1302-definitions.pdf).","value":4,"unit":"tons/yr","basis":"facility","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},"r":{"text":"Rule 1303(b)(2)(A): \"Offset ratios shall be 1.2-to-1.0 for Emission Reduction Credits and 1.0-to-1.0 for allocations from the Priority Reserve, except for facilities not located in the South Coast Air Basin (SOCAB), where the offset ratio for Emission Reduction Credits only shall be 1.2-to-1.0 for VOC, NOX, SOX and PM10 and 1.0-to-1.0 for CO.\"","value":1.2,"conditions":"1.2:1 when ERCs are used; 1.0:1 for Priority Reserve (Rule 1309.1) allocations; Short-Term Credits use the same ratio (1303(b)(2)(B)(i)). Sensitive Zone limits on ERC origin apply in SOCAB unless Priority Reserve used (1303(b)(3)). Interpollutant offsets case-by-case; PM10 may not offset NOx or ROG in ozone nonattainment areas (Rule 1309(h), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1309.pdf).","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1303-requirements.pdf"},"q":{"text":"Rule 1304(d)(1)(B): a new facility with PTE >= Table A \"shall offset the total amount of emission increase\"; (d)(2)(B): a modified facility with post-modification PTE >= Table A obtains offsets \"for the corresponding emissions increase, or the amount in excess of Table A figures if the pre-modification potential to emit was less than the amounts in Table A\". Rule 1303(b)(2)(A): \"emission increases shall be offset\". Rule 1306(b) (https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1306-emission-calculations.pdf): increases calculated \"using calendar monthly emissions divided by 30 for determination of the required amount of offsets\" (i.e., lb/day). Rule 1304(d)(5): a new facility accumulating increases above Table A within any two-year period \"shall offset the total emission increases during such period to zero\".","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"}},"PM2.5":{"t":{"text":"Regulation XIII (Rules 1303/1304 Table A) does not list PM2.5. Rule 1325 (Federal PM2.5 NSR) applies to a new major polluting facility / major modification: major polluting facility = PTE of PM2.5 or its precursors \"at or above 70 tons per year per pollutant\" (1325(b)(4)); significant net increase for a modification = 10 tons/yr PM2.5 (40 tpy for NOx, SO2, VOC, NH3) (1325(b)(13)).","value":70,"unit":"tons/yr","basis":"facility","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1325.pdf"},"r":{"text":"Rule 1325(c)(1)(B): \"Emission increases shall be offset at an offset ratio of 1.1:1 for PM2.5 and the ratio required in Regulation XIII or Rule 2005 for NOx and SO2 as applicable\".","value":1.1,"conditions":"Only for federal major polluting facilities / major modifications under Rule 1325; Regulation XIII sets no PM2.5 offset requirement for other facilities.","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1325.pdf"},"q":{"text":"Rule 1325(c)(1)(B): \"Emission increases shall be offset\" (major polluting facility / major modification only).","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1325.pdf"}},"SOx":{"t":{"text":"Rule 1304(d)(1)-(2) and Table A: facility exemption from offsets (Rule 1303(b)(2)) when facility potential to emit is less than 4 tons per year of SOx; facility PTE equal to or more than Table A must offset. Offsets apply only to a \"nonattainment air contaminant\" (Rule 1303(b); Rule 1302(z), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1302-definitions.pdf).","value":4,"unit":"tons/yr","basis":"facility","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},"r":{"text":"Rule 1303(b)(2)(A): \"Offset ratios shall be 1.2-to-1.0 for Emission Reduction Credits and 1.0-to-1.0 for allocations from the Priority Reserve, except for facilities not located in the South Coast Air Basin (SOCAB), where the offset ratio for Emission Reduction Credits only shall be 1.2-to-1.0 for VOC, NOX, SOX and PM10 and 1.0-to-1.0 for CO.\"","value":1.2,"conditions":"1.2:1 when ERCs are used; 1.0:1 for Priority Reserve (Rule 1309.1) allocations; Short-Term Credits use the same ratio (1303(b)(2)(B)(i)). Sensitive Zone limits on ERC origin apply in SOCAB unless Priority Reserve used (1303(b)(3)). Interpollutant offsets case-by-case; PM10 may not offset NOx or ROG in ozone nonattainment areas (Rule 1309(h), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1309.pdf).","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1303-requirements.pdf"},"q":{"text":"Rule 1304(d)(1)(B): a new facility with PTE >= Table A \"shall offset the total amount of emission increase\"; (d)(2)(B): a modified facility with post-modification PTE >= Table A obtains offsets \"for the corresponding emissions increase, or the amount in excess of Table A figures if the pre-modification potential to emit was less than the amounts in Table A\". Rule 1303(b)(2)(A): \"emission increases shall be offset\". Rule 1306(b) (https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1306-emission-calculations.pdf): increases calculated \"using calendar monthly emissions divided by 30 for determination of the required amount of offsets\" (i.e., lb/day). Rule 1304(d)(5): a new facility accumulating increases above Table A within any two-year period \"shall offset the total emission increases during such period to zero\".","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"}},"CO":{"t":{"text":"Rule 1304(d)(1)-(2) and Table A: facility exemption from offsets (Rule 1303(b)(2)) when facility potential to emit is less than 29 tons per year of CO; facility PTE equal to or more than Table A must offset. Offsets apply only to a \"nonattainment air contaminant\" (Rule 1303(b); Rule 1302(z), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1302-definitions.pdf).","value":29,"unit":"tons/yr","basis":"facility","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"},"r":{"text":"Rule 1303(b)(2)(A): \"Offset ratios shall be 1.2-to-1.0 for Emission Reduction Credits and 1.0-to-1.0 for allocations from the Priority Reserve, except for facilities not located in the South Coast Air Basin (SOCAB), where the offset ratio for Emission Reduction Credits only shall be 1.2-to-1.0 for VOC, NOX, SOX and PM10 and 1.0-to-1.0 for CO.\" CO is named (1.0-to-1.0 for ERCs) only for facilities outside SOCAB.","value":1.2,"conditions":"1.2:1 when ERCs are used; 1.0:1 for Priority Reserve (Rule 1309.1) allocations; Short-Term Credits use the same ratio (1303(b)(2)(B)(i)). Sensitive Zone limits on ERC origin apply in SOCAB unless Priority Reserve used (1303(b)(3)). Interpollutant offsets case-by-case; PM10 may not offset NOx or ROG in ozone nonattainment areas (Rule 1309(h), https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1309.pdf).","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1303-requirements.pdf"},"q":{"text":"Rule 1304(d)(1)(B): a new facility with PTE >= Table A \"shall offset the total amount of emission increase\"; (d)(2)(B): a modified facility with post-modification PTE >= Table A obtains offsets \"for the corresponding emissions increase, or the amount in excess of Table A figures if the pre-modification potential to emit was less than the amounts in Table A\". Rule 1303(b)(2)(A): \"emission increases shall be offset\". Rule 1306(b) (https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1306-emission-calculations.pdf): increases calculated \"using calendar monthly emissions divided by 30 for determination of the required amount of offsets\" (i.e., lb/day). Rule 1304(d)(5): a new facility accumulating increases above Table A within any two-year period \"shall offset the total emission increases during such period to zero\".","source":"https://www.aqmd.gov/docs/default-source/rule-book/reg-xiii/rule-1304-exemptions.pdf"}}}},"MDAQMD":{"rule":{"cite":"MDAQMD Regulation XIII, Rule 1303 (New Source Review Requirements) and Rule 1305 (New Source Review Emissions Offsets)","title":"Rule 1303 - New Source Review Requirements; Rule 1305 - New Source Review Emissions Offsets","date":"Rule 1303 amended 03/25/24; Rule 1305 amended 03/25/24; Rule 1304 amended 03/23/26","url":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},"notes":"Rule 1303(B)(1) also sets a Hydrogen Sulfide (H2S) offset threshold of 10 tpy (ratio 1.0:1). Thresholds are facility PTE in tpy; emission changes are calculated in lb/day (1304(B)(1), https://www.mdaqmd.ca.gov/home/showpublisheddocument/11100/639197912716630000) and Proposed Emissions in lb/yr (1301(FFF), https://www.mdaqmd.ca.gov/home/showpublisheddocument/11094/639197912709600000). Offsets apply only to Nonattainment Air Pollutants (federal or state, Rule 1301(SS)). NOx/VOC ratio is 1.3:1 only in a federal ozone nonattainment area, else 1.0:1, so a calculator must know location. Rule PDFs retrieved with a headed browser (site blocks curl).","exemptions":[{"text":"No offset exemptions found in Rules 1303 or 1305. Rule 1303(B)(3): a relaxation of an enforceable limit (post-Aug. 7, 1980) that pushes PTE above threshold triggers offsets as if not yet constructed. Simultaneous Emission Reductions (Rule 1304(C)) may serve as offsets (1305(C)(2)).","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},{"text":"Rule 1302(A)(1)(a): Electric Energy Generating Facilities (EEGFs) are also subject to Rule 1306.","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11096/639197912712070000"}],"p":{"NOx":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: Oxides of Nitrogen (NOx) 25 tpy. \"Any new or modified Facility which emits or has the Potential to Emit ... greater than or equal to\" the threshold \"shall obtain Offsets.\" (B)(2): a non-major Facility whose Modification is itself a Major Modification shall also obtain Offsets.","value":25,"unit":"tons/yr","basis":"facility","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},"r":{"text":"Rule 1305(D)(1) Table of Offset Ratios: 1.3 to 1.0 within a Federal Ozone Nonattainment Area; 1.0 to 1.0 within a Federal Ozone Attainment or Unclassified Area; 1.0 to 1.0 within a Federal PM10 Nonattainment Area. (D)(2): if in more than one federal nonattainment area, \"the largest applicable Offset ratio\" applies. (D)(3): out-of-District offsets use the same ratio as in-District.","value":null,"conditions":"Ratio depends on federal area designation at the facility location; largest applies if multiple. Interpollutant offsets case-by-case with CARB consultation (USEPA approval for federal major facilities in nonattainment areas); no trades between ozone precursors; PM10 may not offset NOx or reactive organic compounds in an ozone nonattainment area (1305(C)(6)).","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"},"q":{"text":"Rule 1305(B)(2): new Major Facility - \"equal to the total Proposed Emissions\"; Major Modification or becoming Major in a Federal Nonattainment Area for that pollutant - total Proposed Emissions; outside a Federal Nonattainment Area - Proposed Emissions \"which exceeds the threshold amounts\" of Rule 1303(B); modification to an existing Major Facility - \"the difference between the Facility's Proposed Emissions and the HAE\" (historic actual emissions). Seasonal sources on a quarterly basis.","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"}},"VOC":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: Volatile Organic Compounds (VOC) 25 tpy. \"Any new or modified Facility which emits or has the Potential to Emit ... greater than or equal to\" the threshold \"shall obtain Offsets.\" (B)(2): a non-major Facility whose Modification is itself a Major Modification shall also obtain Offsets.","value":25,"unit":"tons/yr","basis":"facility","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},"r":{"text":"Rule 1305(D)(1) Table of Offset Ratios: 1.3 to 1.0 within a Federal Ozone Nonattainment Area; 1.0 to 1.0 within a Federal Ozone Attainment or Unclassified Area; 1.0 to 1.0 within a Federal PM10 Nonattainment Area. (D)(2): if in more than one federal nonattainment area, \"the largest applicable Offset ratio\" applies. (D)(3): out-of-District offsets use the same ratio as in-District.","value":null,"conditions":"Ratio depends on federal area designation at the facility location; largest applies if multiple. Interpollutant offsets case-by-case with CARB consultation (USEPA approval for federal major facilities in nonattainment areas); no trades between ozone precursors; PM10 may not offset NOx or reactive organic compounds in an ozone nonattainment area (1305(C)(6)).","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"},"q":{"text":"Rule 1305(B)(2): new Major Facility - \"equal to the total Proposed Emissions\"; Major Modification or becoming Major in a Federal Nonattainment Area for that pollutant - total Proposed Emissions; outside a Federal Nonattainment Area - Proposed Emissions \"which exceeds the threshold amounts\" of Rule 1303(B); modification to an existing Major Facility - \"the difference between the Facility's Proposed Emissions and the HAE\" (historic actual emissions). Seasonal sources on a quarterly basis.","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"}},"PM10":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: PM10 15 tpy. \"Any new or modified Facility which emits or has the Potential to Emit ... greater than or equal to\" the threshold \"shall obtain Offsets.\" (B)(2): a non-major Facility whose Modification is itself a Major Modification shall also obtain Offsets.","value":15,"unit":"tons/yr","basis":"facility","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},"r":{"text":"Rule 1305(D)(1): PM10 1.0 to 1.0 in all three area columns.","value":1,"conditions":"Interpollutant restrictions per 1305(C)(6).","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"},"q":{"text":"Rule 1305(B)(2): new Major Facility - \"equal to the total Proposed Emissions\"; Major Modification or becoming Major in a Federal Nonattainment Area for that pollutant - total Proposed Emissions; outside a Federal Nonattainment Area - Proposed Emissions \"which exceeds the threshold amounts\" of Rule 1303(B); modification to an existing Major Facility - \"the difference between the Facility's Proposed Emissions and the HAE\" (historic actual emissions). Seasonal sources on a quarterly basis.","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"}},"PM2.5":{"t":{"text":"not stated in the rule - PM2.5 is not listed in the Rule 1303(B)(1) Offset Threshold Amounts table (PM2.5 is only defined in Rule 1301(CCC) and listed as a secondary pollutant of precursors in 1301(EEE)).","value":null,"unit":null,"basis":null,"source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},"r":{"text":"not stated in the rule - PM2.5 not in Rule 1305(D)(1) ratio table.","value":null,"conditions":"","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"},"q":{"text":"not stated in the rule","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"}},"SOx":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: Oxides of Sulfur (SOx) 25 tpy. \"Any new or modified Facility which emits or has the Potential to Emit ... greater than or equal to\" the threshold \"shall obtain Offsets.\" (B)(2): a non-major Facility whose Modification is itself a Major Modification shall also obtain Offsets.","value":25,"unit":"tons/yr","basis":"facility","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},"r":{"text":"Rule 1305(D)(1): SOx 1.0 to 1.0 in all three area columns.","value":1,"conditions":"","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"},"q":{"text":"Rule 1305(B)(2): new Major Facility - \"equal to the total Proposed Emissions\"; Major Modification or becoming Major in a Federal Nonattainment Area for that pollutant - total Proposed Emissions; outside a Federal Nonattainment Area - Proposed Emissions \"which exceeds the threshold amounts\" of Rule 1303(B); modification to an existing Major Facility - \"the difference between the Facility's Proposed Emissions and the HAE\" (historic actual emissions). Seasonal sources on a quarterly basis.","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"}},"CO":{"t":{"text":"not stated in the rule - CO is not listed in the Rule 1303(B)(1) Offset Threshold Amounts table (table lists H2S 10 tpy, PM10 15, NOx 25, SOx 25, VOC 25).","value":null,"unit":null,"basis":null,"source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11098/639197912714470000"},"r":{"text":"not stated in the rule - CO not in Rule 1305(D)(1) table.","value":null,"conditions":"","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"},"q":{"text":"not stated in the rule","source":"https://www.mdaqmd.ca.gov/home/showpublisheddocument/11102/639197912719600000"}}}},"AVAQMD":{"rule":{"cite":"AVAQMD Regulation XIII, Rule 1303 (State New Source Review Requirements), Rule 1305 (State NSR Emissions Offsets), Rule 1314 (Federal Nonattainment NSR for Ozone Precursors)","title":"Rule 1303 - State New Source Review Requirements; Rule 1305 - State New Source Review Emissions Offsets","date":"Rule 1303 amended 12/30/2024; Rule 1305 amended 12/30/24; Rule 1314 adopted 12/30/2024, amended 07/15/2025","url":"https://avaqmd.ca.gov/files/749f10b78/AV1303+12.30.2024.pdf"},"notes":"Rules 1303/1305 are titled 'State' NSR and apply to State Nonattainment Air Pollutants; Rule 1314 (adopted 12/30/2024) adds federal nonattainment NSR for ozone precursors at 25 tpy NOx or VOC, with offsets in tpy. Thresholds are facility PTE in tpy; emission changes calculated in lb/day (1304(B), https://avaqmd.ca.gov/files/601708bab/AV1304+2024+30+Dec.pdf). Major Facility defined in Rule 1301(LL) (https://avaqmd.ca.gov/files/c101b3846/AV1301+2024+30+Dec.pdf) by the 1303(B)(1) amounts. Rule 1300 header reads 'AVAPCD'.","exemptions":[{"text":"Rule 1300(D): Regulation XIII does not apply to a continuing operation needing a new permit solely due to permit renewal, change of ownership/operator, or a change to Rule 219, with no modification.","source":"https://avaqmd.ca.gov/files/d0b5e54ba/AV1300+2021+20+Jul+reformatted.pdf/AV1300.pdf"},{"text":"Rule 1305(B)(2)(e): offsets adjusted for cogeneration/energy conservation projects to the extent required by Health & Safety Code sections 42314, 42314.1, 42314.5, 41601, 41605.5.","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"}],"p":{"NOx":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: Oxides of Nitrogen (NOx) 25 tpy. \"Any new or Modified Facility which has the Potential to Emit ... greater than, or equal to\" the threshold \"shall obtain Offsets for that pollutant, calculated pursuant to Rule 1305.\"","value":25,"unit":"tons/yr","basis":"facility","source":"https://avaqmd.ca.gov/files/749f10b78/AV1303+12.30.2024.pdf"},"r":{"text":"Rule 1305(D)(1) (State NSR): 1.3 to 1.0 as an ozone precursor; 1.0 to 1.0 as a PM10 precursor. Rule 1314 Table 1 (Federal NSR for ozone precursors, https://avaqmd.ca.gov/files/c718dac73/AV1314+Clean+07.15.2025.pdf; ratio expressed increases:reductions): Marginal 1:1.1, Moderate 1:1.15, Serious 1:1.2, Severe 1:1.3.","value":null,"conditions":"State NSR ratio 1.3:1 (ozone precursor) vs 1.0:1 (PM10 precursor); federal major sources (PTE >= 25 tpy NOx or VOC, Rule 1314(C)(6)) use Table 1 by ozone classification and federally enforceable ERCs of the same pollutant (1314(D)(4)). Rule 1304(A)(2)(b): if Rule 1314 applies, the Rule 1303 BACT and offset provisions are satisfied. Out-of-District offsets use same ratio as in-District (1305(D)(2)).","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"},"q":{"text":"Rule 1305(B)(2): new Facility - \"equal to the total Proposed Emissions\"; Modification to an existing Major Facility - \"the sum of all Emission Changes and SERs\"; Modification making a non-major Facility Major - \"equal to the Facility's Potential to Emit\". Rule 1303(B)(2): accumulated increases in excess of threshold \"shall Offset the total emission increase during such period to zero.\" Federal major sources (Rule 1314(E)(2)(c), https://avaqmd.ca.gov/files/c718dac73/AV1314+Clean+07.15.2025.pdf): new source = sum of PTE; major modification = PTE after minus Actual Emissions before, incl. fugitives.","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"}},"VOC":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: Volatile Organic Compounds (VOC) 25 tpy. \"Any new or Modified Facility which has the Potential to Emit ... greater than, or equal to\" the threshold \"shall obtain Offsets for that pollutant, calculated pursuant to Rule 1305.\"","value":25,"unit":"tons/yr","basis":"facility","source":"https://avaqmd.ca.gov/files/749f10b78/AV1303+12.30.2024.pdf"},"r":{"text":"Rule 1305(D)(1) (State NSR): 1.3 to 1.0 as an ozone precursor; 1.0 to 1.0 as a PM10 precursor. Rule 1314 Table 1 (Federal NSR for ozone precursors, https://avaqmd.ca.gov/files/c718dac73/AV1314+Clean+07.15.2025.pdf; ratio expressed increases:reductions): Marginal 1:1.1, Moderate 1:1.15, Serious 1:1.2, Severe 1:1.3.","value":null,"conditions":"State NSR ratio 1.3:1 (ozone precursor) vs 1.0:1 (PM10 precursor); federal major sources (PTE >= 25 tpy NOx or VOC, Rule 1314(C)(6)) use Table 1 by ozone classification and federally enforceable ERCs of the same pollutant (1314(D)(4)). Rule 1304(A)(2)(b): if Rule 1314 applies, the Rule 1303 BACT and offset provisions are satisfied. Out-of-District offsets use same ratio as in-District (1305(D)(2)).","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"},"q":{"text":"Rule 1305(B)(2): new Facility - \"equal to the total Proposed Emissions\"; Modification to an existing Major Facility - \"the sum of all Emission Changes and SERs\"; Modification making a non-major Facility Major - \"equal to the Facility's Potential to Emit\". Rule 1303(B)(2): accumulated increases in excess of threshold \"shall Offset the total emission increase during such period to zero.\" Federal major sources (Rule 1314(E)(2)(c), https://avaqmd.ca.gov/files/c718dac73/AV1314+Clean+07.15.2025.pdf): new source = sum of PTE; major modification = PTE after minus Actual Emissions before, incl. fugitives.","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"}},"PM10":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: PM10 15 tpy. \"Any new or Modified Facility which has the Potential to Emit ... greater than, or equal to\" the threshold \"shall obtain Offsets for that pollutant, calculated pursuant to Rule 1305.\"","value":15,"unit":"tons/yr","basis":"facility","source":"https://avaqmd.ca.gov/files/749f10b78/AV1303+12.30.2024.pdf"},"r":{"text":"Rule 1305(D)(1): PM10 1.0 to 1.0.","value":1,"conditions":"Interpollutant offsets case-by-case with CARB consultation (1305(C)(6)).","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"},"q":{"text":"Rule 1305(B)(2): new Facility - \"equal to the total Proposed Emissions\"; Modification to an existing Major Facility - \"the sum of all Emission Changes and SERs\"; Modification making a non-major Facility Major - \"equal to the Facility's Potential to Emit\". Rule 1303(B)(2): accumulated increases in excess of threshold \"shall Offset the total emission increase during such period to zero.\" Federal major sources (Rule 1314(E)(2)(c), https://avaqmd.ca.gov/files/c718dac73/AV1314+Clean+07.15.2025.pdf): new source = sum of PTE; major modification = PTE after minus Actual Emissions before, incl. fugitives.","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"}},"PM2.5":{"t":{"text":"not stated in the rule - PM2.5 is not listed in the Rule 1303(B)(1) Offset Threshold Amounts table.","value":null,"unit":null,"basis":null,"source":"https://avaqmd.ca.gov/files/749f10b78/AV1303+12.30.2024.pdf"},"r":{"text":"not stated in the rule - PM2.5 not in Rule 1305(D)(1) table.","value":null,"conditions":"","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"},"q":{"text":"not stated in the rule","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"}},"SOx":{"t":{"text":"Rule 1303(B)(1) Offset Threshold Amounts: Oxides of Sulfur (SOx) 25 tpy. \"Any new or Modified Facility which has the Potential to Emit ... greater than, or equal to\" the threshold \"shall obtain Offsets for that pollutant, calculated pursuant to Rule 1305.\"","value":25,"unit":"tons/yr","basis":"facility","source":"https://avaqmd.ca.gov/files/749f10b78/AV1303+12.30.2024.pdf"},"r":{"text":"Rule 1305(D)(1): SOx 1.0 to 1.0 (PM10 precursor column; ozone-precursor column shows \"--\").","value":1,"conditions":"","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"},"q":{"text":"Rule 1305(B)(2): new Facility - \"equal to the total Proposed Emissions\"; Modification to an existing Major Facility - \"the sum of all Emission Changes and SERs\"; Modification making a non-major Facility Major - \"equal to the Facility's Potential to Emit\". Rule 1303(B)(2): accumulated increases in excess of threshold \"shall Offset the total emission increase during such period to zero.\" Federal major sources (Rule 1314(E)(2)(c), https://avaqmd.ca.gov/files/c718dac73/AV1314+Clean+07.15.2025.pdf): new source = sum of PTE; major modification = PTE after minus Actual Emissions before, incl. fugitives.","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"}},"CO":{"t":{"text":"not stated in the rule - CO is not listed in the Rule 1303(B)(1) Offset Threshold Amounts table.","value":null,"unit":null,"basis":null,"source":"https://avaqmd.ca.gov/files/749f10b78/AV1303+12.30.2024.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"},"q":{"text":"not stated in the rule","source":"https://avaqmd.ca.gov/files/313934a7d/AV1305+2024+30+Dec.pdf"}}}},"BAAQMD":{"rule":{"cite":"BAAQMD Regulation 2, Rule 2","title":"Permits - New Source Review","date":"Adopted December 19, 2012; version dated December 6, 2017 (current version posted on BAAQMD rule page)","url":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"notes":"Offsets are banked ERCs under Reg 2 Rule 4, or ERCs from adjacent districts meeting CAA 173(c)(1) and H&SC 40709.6 (2-2-221). Cargo carrier emissions (other than motor vehicles) count toward PTE and cumulative increase for offset purposes (2-2-610). No distance-based offset ratios in the rule. Small facilities (10-35 tpy NOx/POC) normally receive offsets from the District's Small Facility Banking Account rather than buying ERCs (2-2-302.1.1). Rule-wide exemptions in Regulation 2 Rule 1 were not reviewed (outside this rule).","exemptions":[{"text":"2-2-102: the exemption for secondary pollutants from abatement devices applies to BACT (2-2-301) only, not to offsets.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},{"text":"2-2-608.2/608.3: prior permits issued because a source lost its permit exemption per 2-1-424, and permits for sources permanently removed from service, are excluded from the facility un-offset cumulative increase.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},{"text":"2-2-411: offset refunds - excess offsets refunded on request within 2 years of ATC issuance or 6 months of PTO issuance; offsets for sources never built/operated refunded on request within 2 years.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"}],"p":{"NOx":{"t":{"text":"2-2-302: offsets required 'for a new or modified source at any facility that will have the potential to emit more than 10 tons per year of NOx or POC after the new or modified source is constructed (including emissions from cargo carriers per Section 2-2-610)'. Applied on a pollutant-specific basis (302.4).","value":10,"unit":"tons/yr","basis":"facility","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"r":{"text":"2-2-302.1: facility PTE more than 10 but less than 35 tons/yr -> 'offsets must be provided at a 1:1 ratio', supplied by the APCO from the Small Facility Banking Account unless that account is exhausted or the applicant owns or controls offsets (302.1.1-1.2). 2-2-302.2: facility PTE 35 tons/yr or more -> 'federally-enforceable offsets at a 1.15:1 ratio', plus reimbursement of any Small Facility Banking Account offsets previously provided (302.2.1). No distance-based ratios are stated in the rule.","value":null,"conditions":"1:1 if facility PTE >10 and <35 tons/yr (from Small Facility Banking Account where available); 1.15:1 if facility PTE >=35 tons/yr. 2-2-415: additional offsets required for Federal Major NSR Sources if the District has not made the annual equivalence demonstration under 2-2-412.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"q":{"text":"2-2-302.1/302.2.2: offsets for 'any un-offset cumulative increase in emissions at the facility and any related sources since the baseline date determined in accordance with Section 2-2-608'. 2-2-608.3: 'Offsets shall be provided for the facility's un-offset cumulative increase multiplied by the applicable offset ratio'. Cumulative increase baseline date April 5, 1991 (2-2-209). Cumulative increase = increase in PTE less contemporaneous onsite ERCs (2-2-607).","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"}},"VOC":{"t":{"text":"2-2-302 (district term: Precursor Organic Compounds, POC): offsets required 'for a new or modified source at any facility that will have the potential to emit more than 10 tons per year of NOx or POC after the new or modified source is constructed (including emissions from cargo carriers per Section 2-2-610)'. Applied on a pollutant-specific basis (302.4).","value":10,"unit":"tons/yr","basis":"facility","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"r":{"text":"2-2-302.1: facility PTE more than 10 but less than 35 tons/yr -> 'offsets must be provided at a 1:1 ratio', supplied by the APCO from the Small Facility Banking Account unless that account is exhausted or the applicant owns or controls offsets (302.1.1-1.2). 2-2-302.2: facility PTE 35 tons/yr or more -> 'federally-enforceable offsets at a 1.15:1 ratio', plus reimbursement of any Small Facility Banking Account offsets previously provided (302.2.1). No distance-based ratios are stated in the rule.","value":null,"conditions":"1:1 if facility PTE >10 and <35 tons/yr (from Small Facility Banking Account where available); 1.15:1 if facility PTE >=35 tons/yr. 2-2-415: additional offsets required for Federal Major NSR Sources if the District has not made the annual equivalence demonstration under 2-2-412.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"q":{"text":"2-2-302.1/302.2.2: offsets for 'any un-offset cumulative increase in emissions at the facility and any related sources since the baseline date determined in accordance with Section 2-2-608'. 2-2-608.3: 'Offsets shall be provided for the facility's un-offset cumulative increase multiplied by the applicable offset ratio'. Cumulative increase baseline date April 5, 1991 (2-2-209). Cumulative increase = increase in PTE less contemporaneous onsite ERCs (2-2-607).","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"}},"PM10":{"t":{"text":"2-2-303: offsets required for a new or modified source 'at a facility that will have the potential to emit 100 tons per year or more of PM2.5, PM10 or sulfur dioxide after the new or modified source is constructed (including emissions from cargo carriers per Section 2-2-610)', and (303.1) only 'If the un-offset cumulative increase in emissions ... since the baseline date ... exceeds 1 ton per year'. Applied on a pollutant-specific basis (303.4).","value":100,"unit":"tons/yr","basis":"facility","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"r":{"text":"2-2-303.1: 1:1. 2-2-303.2: 'NOx and/or sulfur dioxide offsets may be provided in place of PM10 offsets ... at offset ratios determined by the APCO to result in a net air quality benefit', based on facility-specific analysis with modeling, public notice and EPA concurrence; such offsets are in addition to any NOx/SO2 offsets otherwise required (303.3).","value":1,"conditions":"1:1 for PM10 credits; NOx/SO2-for-PM10 interpollutant ratios case-by-case per 2-2-303.2. Applies only at facility PTE >=100 tons/yr with un-offset cumulative increase >1 ton/yr.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"q":{"text":"2-2-303.1: 'the applicant shall provide offsets at a 1:1 ratio for the un-offset cumulative increase since the baseline date' (calculated per 2-2-608). Cumulative increase baseline date: April 5, 1991 (2-2-209).","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"}},"PM2.5":{"t":{"text":"2-2-303: offsets required for a new or modified source 'at a facility that will have the potential to emit 100 tons per year or more of PM2.5, PM10 or sulfur dioxide after the new or modified source is constructed (including emissions from cargo carriers per Section 2-2-610)', and (303.1) only 'If the un-offset cumulative increase in emissions ... since the baseline date ... exceeds 1 ton per year'. Applied on a pollutant-specific basis (303.4).","value":100,"unit":"tons/yr","basis":"facility","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"r":{"text":"2-2-303.1: 'offsets at a 1:1 ratio'. 2-2-415: additional offsets for Federal Major NSR Sources if the District has not made the PM2.5 equivalence demonstration (2-2-412).","value":1,"conditions":"Facility PTE >=100 tons/yr and un-offset cumulative increase >1 ton/yr.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"q":{"text":"2-2-303.1: 'the applicant shall provide offsets at a 1:1 ratio for the un-offset cumulative increase since the baseline date' (calculated per 2-2-608). Cumulative increase baseline date: August 31, 2016 for PM2.5 (2-2-209).","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"}},"SOx":{"t":{"text":"2-2-303 (rule term: sulfur dioxide): offsets required for a new or modified source 'at a facility that will have the potential to emit 100 tons per year or more of PM2.5, PM10 or sulfur dioxide after the new or modified source is constructed (including emissions from cargo carriers per Section 2-2-610)', and (303.1) only 'If the un-offset cumulative increase in emissions ... since the baseline date ... exceeds 1 ton per year'. Applied on a pollutant-specific basis (303.4).","value":100,"unit":"tons/yr","basis":"facility","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"r":{"text":"2-2-303.1: 'offsets at a 1:1 ratio'.","value":1,"conditions":"Facility PTE >=100 tons/yr and un-offset cumulative increase >1 ton/yr.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"q":{"text":"2-2-303.1: 'the applicant shall provide offsets at a 1:1 ratio for the un-offset cumulative increase since the baseline date' (calculated per 2-2-608). Cumulative increase baseline date: April 5, 1991 (2-2-209).","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"}},"CO":{"t":{"text":"Not stated in the rule. Offset sections 2-2-302 (POC, NOx) and 2-2-303 (PM2.5, PM10, SO2) do not include CO; CO appears only as a District BACT pollutant (2-2-210) and in the major facility/significance definitions.","value":null,"unit":null,"basis":null,"source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"r":{"text":"not stated in the rule","value":null,"conditions":"No CO offset requirement in Regulation 2, Rule 2.","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"},"q":{"text":"not stated in the rule (no CO offset requirement)","source":"https://www.baaqmd.gov/~/media/dotgov/files/rules/reg-2-rule-2-new-source-review/documents/rg0202.pdf?la=en"}}}},"SJVAPCD":{"rule":{"cite":"SJVAPCD Rule 2201","title":"New and Modified Stationary Source Review Rule","date":"Adopted September 19, 1991; most recently amended April 20, 2023 (not in effect until August 9, 2023)","url":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"notes":"Distance-based ratios are in §4.9 (Table 4-2), not §4.8; §4.8 is the federal offset requirement for new major sources/federal major modifications. SSPE1/SSPE2 include ERCs banked from the source since 9/19/1991 that have not been used on-site, including ERCs sold or transferred (§4.10.2, §4.11.2), which can push a source over the threshold. AERs are discounted 10% (Air Quality Improvement Deduction) before banking (§4.13.1). Quarterly matching applies (§4.14.4), with exceptions: PM reductions Oct-Mar, NOx/VOC reductions Apr-Nov, and CO reductions Nov-Feb may offset increases in any period (§4.14.7-4.14.9).","exemptions":[{"text":"§4.6.1: CO increases in attainment areas with AAQS demonstration.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},{"text":"§4.6.2: emergency standby equipment limited to 200 hr/yr non-emergency operation.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},{"text":"§4.6.3: portable equipment registered under Rule 2280/statewide PERP, or registered under Rule 2250.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},{"text":"§4.6.4: authorized soil/groundwater decontamination up to 4,000 lb/yr of any affected pollutant.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"}],"p":{"NOx":{"t":{"text":"Rule 2201 §4.5.3: offsets required on a pollutant-by-pollutant basis 'if the post-project Stationary Source Potential to Emit (SSPE2) equals or exceeds' Table 4-1 offset threshold: NOx 20,000 pounds/year. §4.5.2: amounts in lb/yr if quarterly PTE is constant, otherwise (and for Seasonal Sources) lb/quarter.","value":20000,"unit":"lb/yr","basis":"stationary source","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"r":{"text":"Rule 2201 §4.9.4 Table 4-2 (all projects not otherwise specified): offsets at the same Stationary Source 1.0; within 15 miles of the new/modified unit's Stationary Source 1.2 for Non-Major Sources, 1.3 for Major Sources; 15 miles or more 1.5. §4.9.1: 'For NOx and VOC offsets required for new major sources and federal major modifications, the offset ratio for IERs shall be 1.3; otherwise, the offset ratio shall be 1.5'.","value":null,"conditions":"Distance-based per Table 4-2 (§4.9.4). §4.14.2: offsets from another district only if within 50 miles of the emissions increase and APCO certifies them. §4.14.3: interpollutant offsets case-by-case at ratios equal to or greater than the rule's ratios. Federal major NOx: 1.3 for IERs (internal reductions), 1.5 otherwise (§4.9.1), unless EPA approves the §4.9.3 BACT demonstration. §4.14.3.1.3: NOx-VOC interpollutant offsets may be allowed.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"q":{"text":"Rule 2201 §4.7.1: if pre-project SSPE1 is greater than the threshold, offset 'All increases in Stationary Source emissions, calculated as the sum of differences between the post-project Potential to Emit (PE2) and the Baseline Emissions (BE) of all new and modified emissions units, plus' all Cargo Carrier increases. §4.7.2: if SSPE1 is at or below the threshold, offset 'All increases in Stationary Source emissions above the offset trigger levels, calculated as the difference between the SSPE2 and the offset trigger level', plus Cargo Carrier increases. §4.7.3: quantity 'multiplied by the applicable Offset Ratio'. Federal (§4.8): emission increases for a new major source or federal major modification 'shall be offset with internal emission reductions (IERs) or other actual emission reductions (AERs)'; quantity = sum of (post-project PTE minus federal baseline emissions) per unit (§4.8.4.3), in pounds per quarter (§4.8.4.1), times the §4.9 ratio. §4.6.10: District offsets not required for NOx 'if the project is a federal major modification or new major source for NOx emissions' (federal §4.8 applies instead).","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"}},"VOC":{"t":{"text":"Rule 2201 §4.5.3: offsets required on a pollutant-by-pollutant basis 'if the post-project Stationary Source Potential to Emit (SSPE2) equals or exceeds' Table 4-1 offset threshold: VOC 20,000 pounds/year. §4.5.2: amounts in lb/yr if quarterly PTE is constant, otherwise (and for Seasonal Sources) lb/quarter.","value":20000,"unit":"lb/yr","basis":"stationary source","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"r":{"text":"Rule 2201 §4.9.4 Table 4-2 (all projects not otherwise specified): offsets at the same Stationary Source 1.0; within 15 miles of the new/modified unit's Stationary Source 1.2 for Non-Major Sources, 1.3 for Major Sources; 15 miles or more 1.5. §4.9.1: federal major VOC offsets 1.3 for IERs, otherwise 1.5.","value":null,"conditions":"Distance-based per Table 4-2 (§4.9.4). §4.14.2: offsets from another district only if within 50 miles of the emissions increase and APCO certifies them. §4.14.3: interpollutant offsets case-by-case at ratios equal to or greater than the rule's ratios. Federal major VOC: 1.3 IERs / 1.5 otherwise (§4.9.1). §4.14.3.1.1: exempt compounds may not offset VOC.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"q":{"text":"Rule 2201 §4.7.1: if pre-project SSPE1 is greater than the threshold, offset 'All increases in Stationary Source emissions, calculated as the sum of differences between the post-project Potential to Emit (PE2) and the Baseline Emissions (BE) of all new and modified emissions units, plus' all Cargo Carrier increases. §4.7.2: if SSPE1 is at or below the threshold, offset 'All increases in Stationary Source emissions above the offset trigger levels, calculated as the difference between the SSPE2 and the offset trigger level', plus Cargo Carrier increases. §4.7.3: quantity 'multiplied by the applicable Offset Ratio'. Federal (§4.8): emission increases for a new major source or federal major modification 'shall be offset with internal emission reductions (IERs) or other actual emission reductions (AERs)'; quantity = sum of (post-project PTE minus federal baseline emissions) per unit (§4.8.4.3), in pounds per quarter (§4.8.4.1), times the §4.9 ratio. §4.6.11: District offsets not required for VOC if the project is a federal major modification or new major source for VOC.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"}},"PM10":{"t":{"text":"Rule 2201 §4.5.3: offsets required on a pollutant-by-pollutant basis 'if the post-project Stationary Source Potential to Emit (SSPE2) equals or exceeds' Table 4-1 offset threshold: PM10 29,200 pounds/year. §4.5.2: amounts in lb/yr if quarterly PTE is constant, otherwise (and for Seasonal Sources) lb/quarter.","value":29200,"unit":"lb/yr","basis":"stationary source","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"r":{"text":"Rule 2201 §4.9.4 Table 4-2 (all projects not otherwise specified): offsets at the same Stationary Source 1.0; within 15 miles of the new/modified unit's Stationary Source 1.2 for Non-Major Sources, 1.3 for Major Sources; 15 miles or more 1.5.","value":null,"conditions":"Distance-based per Table 4-2 (§4.9.4). §4.14.2: offsets from another district only if within 50 miles of the emissions increase and APCO certifies them. §4.14.3: interpollutant offsets case-by-case at ratios equal to or greater than the rule's ratios. §4.14.3.1.1: interpollutant offsets between PM10 and PM10 precursors may be allowed; PM10 may not offset NOx/ROC in ozone nonattainment areas or SO2 in sulfate nonattainment areas.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"q":{"text":"Rule 2201 §4.7.1: if pre-project SSPE1 is greater than the threshold, offset 'All increases in Stationary Source emissions, calculated as the sum of differences between the post-project Potential to Emit (PE2) and the Baseline Emissions (BE) of all new and modified emissions units, plus' all Cargo Carrier increases. §4.7.2: if SSPE1 is at or below the threshold, offset 'All increases in Stationary Source emissions above the offset trigger levels, calculated as the difference between the SSPE2 and the offset trigger level', plus Cargo Carrier increases. §4.7.3: quantity 'multiplied by the applicable Offset Ratio'. §4.7.4: TSP emissions previously fully offset are not recalculated as PM10.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"}},"PM2.5":{"t":{"text":"Rule 2201 §4.5.4: 'Offsets shall be required for PM2.5 and PM2.5 precursor emission increases for such increases that constitute new major sources or federal major modifications.' No District Table 4-1 threshold for PM2.5. Major source PM2.5 threshold 140,000 lb/yr SSPE2 (§3.28 Table 3-3); federal major modification significance 20,000 lb/yr direct PM2.5 (or 80,000 lb/yr SO2 or NOx) (§3.21.6 Table 3-1).","value":null,"unit":"lb/yr","basis":"stationary source","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"r":{"text":"Rule 2201 §4.9.2: 'For PM2.5 and PM2.5 precursor offsets for new major sources and federal major modifications, the offset ratio shall be 1.0'.","value":1,"conditions":"Only for new major sources/federal major modifications. §4.14.3.2: PM2.5-precursor interpollutant offsets only at ratios established by US EPA or approved into the SIP.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"q":{"text":"Federal Offset Quantity (§4.8.4): sum of (post-project PTE minus federal baseline emissions) for each emissions unit, in pounds per quarter, times the offset ratio. §4.8.1.8: except for NOx and VOC, may be satisfied from the Carryover/Running Balance per Section 7.0.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"}},"SOx":{"t":{"text":"Rule 2201 §4.5.3: offsets required on a pollutant-by-pollutant basis 'if the post-project Stationary Source Potential to Emit (SSPE2) equals or exceeds' Table 4-1 offset threshold: SOx 54,750 pounds/year. §4.5.2: amounts in lb/yr if quarterly PTE is constant, otherwise (and for Seasonal Sources) lb/quarter.","value":54750,"unit":"lb/yr","basis":"stationary source","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"r":{"text":"Rule 2201 §4.9.4 Table 4-2 (all projects not otherwise specified): offsets at the same Stationary Source 1.0; within 15 miles of the new/modified unit's Stationary Source 1.2 for Non-Major Sources, 1.3 for Major Sources; 15 miles or more 1.5.","value":null,"conditions":"Distance-based per Table 4-2 (§4.9.4). §4.14.2: offsets from another district only if within 50 miles of the emissions increase and APCO certifies them. §4.14.3: interpollutant offsets case-by-case at ratios equal to or greater than the rule's ratios.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"q":{"text":"Rule 2201 §4.7.1: if pre-project SSPE1 is greater than the threshold, offset 'All increases in Stationary Source emissions, calculated as the sum of differences between the post-project Potential to Emit (PE2) and the Baseline Emissions (BE) of all new and modified emissions units, plus' all Cargo Carrier increases. §4.7.2: if SSPE1 is at or below the threshold, offset 'All increases in Stationary Source emissions above the offset trigger levels, calculated as the difference between the SSPE2 and the offset trigger level', plus Cargo Carrier increases. §4.7.3: quantity 'multiplied by the applicable Offset Ratio'.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"}},"CO":{"t":{"text":"Rule 2201 §4.5.3: offsets required on a pollutant-by-pollutant basis 'if the post-project Stationary Source Potential to Emit (SSPE2) equals or exceeds' Table 4-1 offset threshold: CO 200,000 pounds/year. §4.5.2: amounts in lb/yr if quarterly PTE is constant, otherwise (and for Seasonal Sources) lb/quarter.","value":200000,"unit":"lb/yr","basis":"stationary source","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"r":{"text":"Rule 2201 §4.9.4 Table 4-2 (all projects not otherwise specified): offsets at the same Stationary Source 1.0; within 15 miles of the new/modified unit's Stationary Source 1.2 for Non-Major Sources, 1.3 for Major Sources; 15 miles or more 1.5.","value":null,"conditions":"Distance-based per Table 4-2 (§4.9.4). §4.14.2: offsets from another district only if within 50 miles of the emissions increase and APCO certifies them. §4.14.3: interpollutant offsets case-by-case at ratios equal to or greater than the rule's ratios.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"},"q":{"text":"Rule 2201 §4.7.1: if pre-project SSPE1 is greater than the threshold, offset 'All increases in Stationary Source emissions, calculated as the sum of differences between the post-project Potential to Emit (PE2) and the Baseline Emissions (BE) of all new and modified emissions units, plus' all Cargo Carrier increases. §4.7.2: if SSPE1 is at or below the threshold, offset 'All increases in Stationary Source emissions above the offset trigger levels, calculated as the difference between the SSPE2 and the offset trigger level', plus Cargo Carrier increases. §4.7.3: quantity 'multiplied by the applicable Offset Ratio'. §4.6.1: CO offsets not required in attainment areas if the applicant demonstrates no AAQS violation and consistency with Reasonable Further Progress.","source":"https://ww2.valleyair.org/media/kjcpdkmg/rule-2201.pdf"}}}},"MBARD":{"rule":{"cite":"MBARD (formerly Monterey Bay Unified APCD) Rule 207","title":"Review of New or Modified Sources","date":"Adopted 9-1-74; most recently revised April 20, 2011 (version linked from mbard.org Current Rules page)","url":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"notes":"PDF text layer drops zeros (e.g., '150' extracts as '15'); all numeric values were verified from rendered page images (pp. 5, 26-30, 32). Two parallel triggers: federal-style §4.2 (net emissions increase per new/modified source, lb/day) and CCAA §5.3 (stationary source PTE >=137 lb/day VOC or NOx); per §5.1 the more stringent applies. District areas: Area A = Pinnacles National Monument and Ventana Wilderness; B = San Benito Co.; C = Carmel/Carmel Valley/Big Sur; D = Santa Cruz Co.; E = rest of Monterey Co.; F = San Antonio Valley (Figure 1). Seasonal sources: offsets must occur in the same season (§4.4). Reductions must be eligible under Rule 215 and entered in the District ERC Registry (§4.2.9).","exemptions":[{"text":"§1.3.1: gasoline storage and dispensing equipment subject to Rules 418 and 1002 exempt from the rule.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},{"text":"§1.3.2/1.3.2.1: compliance-only modifications with no emissions increase; control-device projects below the federal major modification threshold without capacity increase are exempt from §4.2 and §5.3.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},{"text":"§1.3.3: emergency IC engines operated less than 60 hr/yr for testing and exercise exempt from §4.2 and §5.3.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},{"text":"§1.3.4: §4.2 and §5.3 offset requirements do not apply to 'any Stationary Source that has emissions less than 10 tons/year of all individual criteria pollutants'.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"}],"p":{"NOx":{"t":{"text":"Rule 207 §4.2.1/§4.2.2, Table 4.2.2: offsets required from a new or modified stationary source with net emissions increase 'equal to or exceeding' 150 lb/day (Area A and Area A Impact Zones) / 150 lb/day (Areas B, C, D, E and F) for nitrogen oxides (NOx as NO2). Also §5.3.1 (California Clean Air Act): 'Any new or modified stationary source with a potential to emit 137 pounds per day or more of VOCs or NOx shall be required to provide offsets at the ratios specified in Section 4.3'.","value":null,"unit":"lb/day","basis":"stationary source","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"r":{"text":"Rule 207 §4.3, Table 4.3: Area A/Area A <15 miles radius 1.2:1 (both); Area A Impact Zone/Area A or Impact Zone <15 miles 1.2:1 (both); Non-A/same source <15 miles 1:1 (or 1.15:1 if a major source or major modification) for non-attainment pollutants, 1:1 attainment; Non-A/different source <15 miles 1.2:1 non-attainment, 1.1:1 attainment; Non-A/>15 miles radius 2:1 non-attainment, 1.2:1 attainment; Non-A/different air basin 2.5:1 non-attainment, 1.3:1 attainment.","value":null,"conditions":"Ratio depends on source area (Area A/Impact Zone vs. B-F), whether offsets are from the same source, distance (15-mile radius), air basin, and whether the pollutant is attainment or non-attainment (attainment status is not listed in the rule). >15 miles (2.0:1 / 1.2:1) only if applicant shows offsets are not available within 15 miles (§4.3.3.1); outside air basin (2.5:1 / 1.3:1) only from an upwind area with board resolutions of both districts (§4.3.3.2). §3.6: interpollutant offsets case-by-case at ratios greater than §4.3.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"q":{"text":"Rule 207 §4.2.5: 'The amount of offsets obtained shall be at least equal to the net emissions increase from the proposed new source or modification' (then ratios of §4.3 apply). §4.2.4: offsets are actual, quarterly, enforceable reductions sufficient to offset all anticipated quarterly increases. §4.2.11: once a source must offset any pollutant it 'must obtain offsets, at least equal to the net emissions increase, for any increase in emissions of' VOC, NOx, SOx, PM and PM10. CCAA (§5.3.3/5.3.4): offsets 'at least equal to the potential to emit from the proposed new source'; for a modified source, 'the difference between the emissions of the modified source, and the emissions of the existing source'.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"}},"VOC":{"t":{"text":"Rule 207 §4.2.1/§4.2.2, Table 4.2.2: offsets required from a new or modified stationary source with net emissions increase 'equal to or exceeding' 150 lb/day (Area A and Area A Impact Zones) / 150 lb/day (Areas B, C, D, E and F) for volatile organic compounds (district term VOC). Also §5.3.1 (California Clean Air Act): 'Any new or modified stationary source with a potential to emit 137 pounds per day or more of VOCs or NOx shall be required to provide offsets at the ratios specified in Section 4.3'.","value":null,"unit":"lb/day","basis":"stationary source","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"r":{"text":"Rule 207 §4.3, Table 4.3: Area A/Area A <15 miles radius 1.2:1 (both); Area A Impact Zone/Area A or Impact Zone <15 miles 1.2:1 (both); Non-A/same source <15 miles 1:1 (or 1.15:1 if a major source or major modification) for non-attainment pollutants, 1:1 attainment; Non-A/different source <15 miles 1.2:1 non-attainment, 1.1:1 attainment; Non-A/>15 miles radius 2:1 non-attainment, 1.2:1 attainment; Non-A/different air basin 2.5:1 non-attainment, 1.3:1 attainment.","value":null,"conditions":"Ratio depends on source area (Area A/Impact Zone vs. B-F), whether offsets are from the same source, distance (15-mile radius), air basin, and whether the pollutant is attainment or non-attainment (attainment status is not listed in the rule). >15 miles (2.0:1 / 1.2:1) only if applicant shows offsets are not available within 15 miles (§4.3.3.1); outside air basin (2.5:1 / 1.3:1) only from an upwind area with board resolutions of both districts (§4.3.3.2). §3.6: interpollutant offsets case-by-case at ratios greater than §4.3. §4.2.10: exempt compounds may not be used as VOC offsets.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"q":{"text":"Rule 207 §4.2.5: 'The amount of offsets obtained shall be at least equal to the net emissions increase from the proposed new source or modification' (then ratios of §4.3 apply). §4.2.4: offsets are actual, quarterly, enforceable reductions sufficient to offset all anticipated quarterly increases. §4.2.11: once a source must offset any pollutant it 'must obtain offsets, at least equal to the net emissions increase, for any increase in emissions of' VOC, NOx, SOx, PM and PM10. CCAA (§5.3.3/5.3.4): offsets 'at least equal to the potential to emit from the proposed new source'; for a modified source, 'the difference between the emissions of the modified source, and the emissions of the existing source'.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"}},"PM10":{"t":{"text":"Rule 207 §4.2.1/§4.2.2, Table 4.2.2: offsets required from a new or modified stationary source with net emissions increase 'equal to or exceeding' 82 lb/day (Area A and Area A Impact Zones) / 82 lb/day (Areas B, C, D, E and F) for PM10. (Table 4.2.2 also lists total particulate matter (PM) at 150 lb/day.)","value":82,"unit":"lb/day","basis":"stationary source","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"r":{"text":"Rule 207 §4.3, Table 4.3: Area A/Area A <15 miles radius 1.2:1 (both); Area A Impact Zone/Area A or Impact Zone <15 miles 1.2:1 (both); Non-A/same source <15 miles 1:1 (or 1.15:1 if a major source or major modification) for non-attainment pollutants, 1:1 attainment; Non-A/different source <15 miles 1.2:1 non-attainment, 1.1:1 attainment; Non-A/>15 miles radius 2:1 non-attainment, 1.2:1 attainment; Non-A/different air basin 2.5:1 non-attainment, 1.3:1 attainment.","value":null,"conditions":"Ratio depends on source area (Area A/Impact Zone vs. B-F), whether offsets are from the same source, distance (15-mile radius), air basin, and whether the pollutant is attainment or non-attainment (attainment status is not listed in the rule). >15 miles (2.0:1 / 1.2:1) only if applicant shows offsets are not available within 15 miles (§4.3.3.1); outside air basin (2.5:1 / 1.3:1) only from an upwind area with board resolutions of both districts (§4.3.3.2). §3.6: interpollutant offsets case-by-case at ratios greater than §4.3.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"q":{"text":"Rule 207 §4.2.5: 'The amount of offsets obtained shall be at least equal to the net emissions increase from the proposed new source or modification' (then ratios of §4.3 apply). §4.2.4: offsets are actual, quarterly, enforceable reductions sufficient to offset all anticipated quarterly increases. §4.2.11: once a source must offset any pollutant it 'must obtain offsets, at least equal to the net emissions increase, for any increase in emissions of' VOC, NOx, SOx, PM and PM10.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"}},"PM2.5":{"t":{"text":"Not stated in the rule. Table 4.2.2 offset thresholds list VOC, NOx, SOx, CO, PM and PM10 only; PM2.5 appears in Rule 207 as an affected pollutant, a BACT threshold (54.79 lb/day, Table 4.1.1) and Class I area provisions, but not in the offset sections (§4.2, §5.3).","value":null,"unit":null,"basis":null,"source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"No PM2.5 offset requirement stated.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"q":{"text":"not stated in the rule","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"}},"SOx":{"t":{"text":"Rule 207 §4.2.1/§4.2.2, Table 4.2.2: offsets required from a new or modified stationary source with net emissions increase 'equal to or exceeding' 150 lb/day (Area A and Area A Impact Zones) / 150 lb/day (Areas B, C, D, E and F) for sulfur oxides (SOx as SO2).","value":150,"unit":"lb/day","basis":"stationary source","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"r":{"text":"Rule 207 §4.3, Table 4.3: Area A/Area A <15 miles radius 1.2:1 (both); Area A Impact Zone/Area A or Impact Zone <15 miles 1.2:1 (both); Non-A/same source <15 miles 1:1 (or 1.15:1 if a major source or major modification) for non-attainment pollutants, 1:1 attainment; Non-A/different source <15 miles 1.2:1 non-attainment, 1.1:1 attainment; Non-A/>15 miles radius 2:1 non-attainment, 1.2:1 attainment; Non-A/different air basin 2.5:1 non-attainment, 1.3:1 attainment.","value":null,"conditions":"Ratio depends on source area (Area A/Impact Zone vs. B-F), whether offsets are from the same source, distance (15-mile radius), air basin, and whether the pollutant is attainment or non-attainment (attainment status is not listed in the rule). >15 miles (2.0:1 / 1.2:1) only if applicant shows offsets are not available within 15 miles (§4.3.3.1); outside air basin (2.5:1 / 1.3:1) only from an upwind area with board resolutions of both districts (§4.3.3.2). §3.6: interpollutant offsets case-by-case at ratios greater than §4.3.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"q":{"text":"Rule 207 §4.2.5: 'The amount of offsets obtained shall be at least equal to the net emissions increase from the proposed new source or modification' (then ratios of §4.3 apply). §4.2.4: offsets are actual, quarterly, enforceable reductions sufficient to offset all anticipated quarterly increases. §4.2.11: once a source must offset any pollutant it 'must obtain offsets, at least equal to the net emissions increase, for any increase in emissions of' VOC, NOx, SOx, PM and PM10.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"}},"CO":{"t":{"text":"Rule 207 §4.2.1/§4.2.2, Table 4.2.2: offsets required from a new or modified stationary source with net emissions increase 'equal to or exceeding' 150 lb/day (Area A and Area A Impact Zones) / 550 lb/day (Areas B, C, D, E and F) for carbon monoxide.","value":null,"unit":"lb/day","basis":"stationary source","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"r":{"text":"Rule 207 §4.3, Table 4.3: Area A/Area A <15 miles radius 1.2:1 (both); Area A Impact Zone/Area A or Impact Zone <15 miles 1.2:1 (both); Non-A/same source <15 miles 1:1 (or 1.15:1 if a major source or major modification) for non-attainment pollutants, 1:1 attainment; Non-A/different source <15 miles 1.2:1 non-attainment, 1.1:1 attainment; Non-A/>15 miles radius 2:1 non-attainment, 1.2:1 attainment; Non-A/different air basin 2.5:1 non-attainment, 1.3:1 attainment.","value":null,"conditions":"Ratio depends on source area (Area A/Impact Zone vs. B-F), whether offsets are from the same source, distance (15-mile radius), air basin, and whether the pollutant is attainment or non-attainment (attainment status is not listed in the rule). >15 miles (2.0:1 / 1.2:1) only if applicant shows offsets are not available within 15 miles (§4.3.3.1); outside air basin (2.5:1 / 1.3:1) only from an upwind area with board resolutions of both districts (§4.3.3.2). §3.6: interpollutant offsets case-by-case at ratios greater than §4.3.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"},"q":{"text":"Rule 207 §4.2.5: 'The amount of offsets obtained shall be at least equal to the net emissions increase from the proposed new source or modification' (then ratios of §4.3 apply). §4.2.4: offsets are actual, quarterly, enforceable reductions sufficient to offset all anticipated quarterly increases. §4.2.11: once a source must offset any pollutant it 'must obtain offsets, at least equal to the net emissions increase, for any increase in emissions of' VOC, NOx, SOx, PM and PM10. §4.2.3: CO offsets not required if the applicant shows via the §9.4 impact table or approved modeling that AAQS are not violated and the emissions will not cause or contribute to a violation.","source":"https://mbard.specialdistrict.org/files/c05c80485/Rule207+(2011).pdf"}}}},"ICAPCD":{"rule":{"cite":"ICAPCD Rule 207","title":"New and Modified Stationary Source Review","date":"Adopted prior to 3/17/80; revised 9/7/93, 9/14/99, 10/22/2013, 9/11/2018","url":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"notes":"Rule posted on apcd.imperialcounty.org Rules and Regulations page. §A.1.b states the no-net-increase purpose for sources with PTE of 137 lb/day or more of nonattainment pollutants. Offsets from another district in the same air basin require APCO review and H&SC 40709.6 certification; intra-District offsets used for major-source requirements need US EPA approval (§C.4.a). Offsets must occur in the same annual time period the source operates (§C.4.c).","exemptions":[{"text":"§C.2.g: APCO may exempt emergency standby equipment for non-utility power generation (maintenance limited to 100 hr/yr; other operation only during actual utility power interruptions).","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},{"text":"§C.2.h: CO in CO attainment areas with AAQS demonstration.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},{"text":"§C.2.i: with APCO approval and BACT, exemption from C.2.a/C.2.b for PERP-registered abrasive blasting equipment, air pollution control device projects not creating a new major source/major modification (no capacity increase), and Hearing Board emergencies.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},{"text":"§C.2.j: non-major agricultural sources whose emissions could not create real, permanent, quantifiable, enforceable reductions.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"}],"p":{"NOx":{"t":{"text":"Rule 207 §C.2.a table: offsets required for any new or modified Stationary Source 'with a daily Potential to Emit ... equal to or exceeding' 137 lbs/day of Nitrogen Oxides; §C.2.b: a source that on or after September 7, 1993 will have stationary source PTE of 137 lb/day or more 'shall Offset all Emission Increases ... which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. (C.2.a and C.2.b are excluded from the SIP submittal.) §C.2.c/C.2.d: a project creating a new Major Stationary Source (100 tpy VOC or NOx; 70 tpy PM10 or precursor; 100 tpy PM2.5 or precursor) or a Major Modification 'shall Offset all Emission Increases' for that nonattainment pollutant.","value":137,"unit":"lb/day","basis":"stationary source","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"r":{"text":"Rule 207 §C.3.a table: within the same Source 1 to 1; within 50 miles of the Source 1.2 to 1; more than 50 miles from the Source and within air basin 'No greater than 3 to 1 or less than 1.2 to 1, as necessary to assure the Stationary Source will not prevent or interfere with the attainment or maintenance of any AAQS'.","value":null,"conditions":"Distance-based (§C.3.a). §C.3.b: APCO may impose a higher ratio based on air quality analysis. §C.3.c: offsets must come from the same Nonattainment Area within the District, or same air basin in an area of equal or worse nonattainment status. §C.4.b: interpollutant offsets case-by-case at ratios equal to or greater than §C.3.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"q":{"text":"Rule 207 §C.2.b: 'shall Offset all Emission Increases, including Cargo Carrier and Fugitive Emissions, which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. §C.3.a: offsets 'for each calendar quarter equal to the Emission Increase for each calendar quarter ... multiplied by' the ratio. 'Emission Increase' = increase in PTE; for major source/major modification offset amounts, PTE minus Historic Actual Emissions (definitions).","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"}},"VOC":{"t":{"text":"Rule 207 §C.2.a table: offsets required for any new or modified Stationary Source 'with a daily Potential to Emit ... equal to or exceeding' 137 lbs/day of Volatile Organic Compounds (district term VOC); §C.2.b: a source that on or after September 7, 1993 will have stationary source PTE of 137 lb/day or more 'shall Offset all Emission Increases ... which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. (C.2.a and C.2.b are excluded from the SIP submittal.) §C.2.c/C.2.d: a project creating a new Major Stationary Source (100 tpy VOC or NOx; 70 tpy PM10 or precursor; 100 tpy PM2.5 or precursor) or a Major Modification 'shall Offset all Emission Increases' for that nonattainment pollutant.","value":137,"unit":"lb/day","basis":"stationary source","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"r":{"text":"Rule 207 §C.3.a table: within the same Source 1 to 1; within 50 miles of the Source 1.2 to 1; more than 50 miles from the Source and within air basin 'No greater than 3 to 1 or less than 1.2 to 1, as necessary to assure the Stationary Source will not prevent or interfere with the attainment or maintenance of any AAQS'.","value":null,"conditions":"Distance-based (§C.3.a). §C.3.b: APCO may impose a higher ratio based on air quality analysis. §C.3.c: offsets must come from the same Nonattainment Area within the District, or same air basin in an area of equal or worse nonattainment status. §C.4.b: interpollutant offsets case-by-case at ratios equal to or greater than §C.3. §C.2.f: Halogenated Hydrocarbons may not offset VOC.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"q":{"text":"Rule 207 §C.2.b: 'shall Offset all Emission Increases, including Cargo Carrier and Fugitive Emissions, which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. §C.3.a: offsets 'for each calendar quarter equal to the Emission Increase for each calendar quarter ... multiplied by' the ratio. 'Emission Increase' = increase in PTE; for major source/major modification offset amounts, PTE minus Historic Actual Emissions (definitions).","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"}},"PM10":{"t":{"text":"Rule 207 §C.2.a table: offsets required for any new or modified Stationary Source 'with a daily Potential to Emit ... equal to or exceeding' 137 lbs/day of PM10; §C.2.b: a source that on or after September 7, 1993 will have stationary source PTE of 137 lb/day or more 'shall Offset all Emission Increases ... which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. (C.2.a and C.2.b are excluded from the SIP submittal.) §C.2.c/C.2.d: a project creating a new Major Stationary Source (100 tpy VOC or NOx; 70 tpy PM10 or precursor; 100 tpy PM2.5 or precursor) or a Major Modification 'shall Offset all Emission Increases' for that nonattainment pollutant.","value":137,"unit":"lb/day","basis":"stationary source","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"r":{"text":"Rule 207 §C.3.a table: within the same Source 1 to 1; within 50 miles of the Source 1.2 to 1; more than 50 miles from the Source and within air basin 'No greater than 3 to 1 or less than 1.2 to 1, as necessary to assure the Stationary Source will not prevent or interfere with the attainment or maintenance of any AAQS'.","value":null,"conditions":"Distance-based (§C.3.a). §C.3.b: APCO may impose a higher ratio based on air quality analysis. §C.3.c: offsets must come from the same Nonattainment Area within the District, or same air basin in an area of equal or worse nonattainment status. §C.4.b: interpollutant offsets case-by-case at ratios equal to or greater than §C.3. PM10 reductions may not offset NOx/VOC in ozone nonattainment areas or SOx in sulfate nonattainment areas (§C.4.b).","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"q":{"text":"Rule 207 §C.2.b: 'shall Offset all Emission Increases, including Cargo Carrier and Fugitive Emissions, which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. §C.3.a: offsets 'for each calendar quarter equal to the Emission Increase for each calendar quarter ... multiplied by' the ratio. 'Emission Increase' = increase in PTE; for major source/major modification offset amounts, PTE minus Historic Actual Emissions (definitions). §C.2.e: PM10 from existing sources calculated with PM10 emission factors.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"}},"PM2.5":{"t":{"text":"Rule 207: no 137 lb/day District threshold for PM2.5 (C.2.a table lists VOC, NOx, SOx, PM10, CO). §C.2.c/C.2.d: offsets required for a new Major Stationary Source (100 tpy or more of PM2.5 or a PM2.5 precursor) or Major Modification (Significant = 10 tpy direct PM2.5 or 40 tpy SO2, NOx, VOC or ammonia); 'For PM2.5, this provision applies only to Stationary Sources located in the PM2.5 Nonattainment Area of Imperial County.'","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"r":{"text":"Rule 207 §C.3.a table: within the same Source 1 to 1; within 50 miles of the Source 1.2 to 1; more than 50 miles from the Source and within air basin 'No greater than 3 to 1 or less than 1.2 to 1, as necessary to assure the Stationary Source will not prevent or interfere with the attainment or maintenance of any AAQS'. §C.4.b: 'Interpollutant Offsets between PM2.5 and PM2.5 Precursors are only allowed at specific ratios as approved into the SIP by the US EPA.'","value":null,"conditions":"Distance-based (§C.3.a). §C.3.b: APCO may impose a higher ratio based on air quality analysis. §C.3.c: offsets must come from the same Nonattainment Area within the District, or same air basin in an area of equal or worse nonattainment status. §C.4.b: interpollutant offsets case-by-case at ratios equal to or greater than §C.3.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"q":{"text":"§C.2.c: 'shall Offset all Emission Increases from the Project for each Nonattainment Pollutant that constitutes a Major Stationary Source'; §C.2.d: 'shall Offset all Emission Increases that constitutes a Major Modification'. Emission Increase for these = PTE minus Historic Actual Emissions.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"}},"SOx":{"t":{"text":"Rule 207 §C.2.a table: offsets required for any new or modified Stationary Source 'with a daily Potential to Emit ... equal to or exceeding' 137 lbs/day of Sulfur Oxides; §C.2.b: a source that on or after September 7, 1993 will have stationary source PTE of 137 lb/day or more 'shall Offset all Emission Increases ... which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. (C.2.a and C.2.b are excluded from the SIP submittal.)","value":137,"unit":"lb/day","basis":"stationary source","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"r":{"text":"Rule 207 §C.3.a table: within the same Source 1 to 1; within 50 miles of the Source 1.2 to 1; more than 50 miles from the Source and within air basin 'No greater than 3 to 1 or less than 1.2 to 1, as necessary to assure the Stationary Source will not prevent or interfere with the attainment or maintenance of any AAQS'.","value":null,"conditions":"Distance-based (§C.3.a). §C.3.b: APCO may impose a higher ratio based on air quality analysis. §C.3.c: offsets must come from the same Nonattainment Area within the District, or same air basin in an area of equal or worse nonattainment status. §C.4.b: interpollutant offsets case-by-case at ratios equal to or greater than §C.3.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"q":{"text":"Rule 207 §C.2.b: 'shall Offset all Emission Increases, including Cargo Carrier and Fugitive Emissions, which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. §C.3.a: offsets 'for each calendar quarter equal to the Emission Increase for each calendar quarter ... multiplied by' the ratio. 'Emission Increase' = increase in PTE; for major source/major modification offset amounts, PTE minus Historic Actual Emissions (definitions).","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"}},"CO":{"t":{"text":"Rule 207 §C.2.a table: offsets required for any new or modified Stationary Source 'with a daily Potential to Emit ... equal to or exceeding' 137 lbs/day of Carbon Monoxide (table cross-references Section C.2.h); §C.2.b: a source that on or after September 7, 1993 will have stationary source PTE of 137 lb/day or more 'shall Offset all Emission Increases ... which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. (C.2.a and C.2.b are excluded from the SIP submittal.)","value":137,"unit":"lb/day","basis":"stationary source","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"r":{"text":"Rule 207 §C.3.a table: within the same Source 1 to 1; within 50 miles of the Source 1.2 to 1; more than 50 miles from the Source and within air basin 'No greater than 3 to 1 or less than 1.2 to 1, as necessary to assure the Stationary Source will not prevent or interfere with the attainment or maintenance of any AAQS'.","value":null,"conditions":"Distance-based (§C.3.a). §C.3.b: APCO may impose a higher ratio based on air quality analysis. §C.3.c: offsets must come from the same Nonattainment Area within the District, or same air basin in an area of equal or worse nonattainment status. §C.4.b: interpollutant offsets case-by-case at ratios equal to or greater than §C.3.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"},"q":{"text":"Rule 207 §C.2.b: 'shall Offset all Emission Increases, including Cargo Carrier and Fugitive Emissions, which cause the Stationary Source Potential to Emit to exceed 137 pounds per day'. §C.3.a: offsets 'for each calendar quarter equal to the Emission Increase for each calendar quarter ... multiplied by' the ratio. 'Emission Increase' = increase in PTE; for major source/major modification offset amounts, PTE minus Historic Actual Emissions (definitions). §C.2.h: CO offsets not required for sources in CO attainment areas if the applicant shows per Section F that CO increases will not cause or contribute to an AAQS violation.","source":"https://apcd.imperialcounty.org/wp-content/uploads/2020/01/1RULE207.pdf"}}}},"SMAQMD":{"rule":{"cite":"SMAQMD Rule 202","title":"New Source Review","date":"Adopted 9-20-76; amended 6-19-79, 7-26-79, 4-19-83, 11-20-84, 2-26-91, 4-4-96, 1-24-02, 2-24-05, 10-28-10, 8-23-12 (CARB-hosted copy dated August 23, 2012)","url":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"notes":"www.airquality.org (SMAQMD's own site) refused connections (TCP reset on curl and WebFetch, tried 2026-10-03), so the district's own copy could not be retrieved. All facts are from the CARB Technology Clearinghouse copy of Rule 202 (RuleID3552, CARB Current Air District Rules entry for SMAQMD Rule 202, amended 8/23/2012) - flagged as CARB-hosted, not district-hosted; confirm against airquality.org when it is back. Ammonia threshold (100 tons/year) applies only if ammonia is found to be a necessary PM2.5 precursor in an EPA-approved SIP. Major sources are also subject to Rule 214 (Federal NSR), not reviewed here. Ratio tables cover offsets within the Sacramento Valley Air Basin only; §302.6 inter-district offsets need APCO review and at least the §303 ratio. Calculator caveat: VOC/NOx ratio depends on major vs non-major status and distance; PM10/SOx/CO column depends on attainment status not stated in the rule.","exemptions":[{"text":"§110 Emergency equipment (emergency power, flood/fire water pumping, potable water, sewage pumping) exempt from §§302-303 if not itself a major source/major modification; maintenance <=100 hr/yr, total <=200 hr/yr, no grid power.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},{"text":"§111 Temporary source (<90 days in 12 months), not major/not at a major source, project increase <=150 lb/day VOC, NOx, SOx; 80 lb/day PM10; 550 lb/day CO.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},{"text":"§112 Non-major agricultural stationary sources/non-major modifications exempt from the entire rule.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},{"text":"§113 Replacement equipment: identical unit, or non-major functionally identical unit with no higher rating/PTE and increase <=136 lb/day VOC, 136 NOx, 150 SOx, 80 PM10, 550 CO.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"}],"p":{"NOx":{"t":{"text":"Rule 202 §302.1: offsets required where stationary-source PTE (per §411.3) \"meets or exceeds\" 5,000 lbs/quarter. §411.3.b: for VOC and NOx the trigger quantity is \"the sum of the potential to emit for all emissions units at the stationary source\" (quarterly; daily for peaking power plants). §302.2 peaking power plants: also where daily increase exceeds 150 lb/day.","value":5000,"unit":"lb/qtr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"r":{"text":"Rule 202 §303.1 table (VOC or NOx column): Same source 1.3:1 if used at a new major stationary source or major modification at a major source, OR 1.0:1 if used at a non-major source/non-major modification; within 15-mile radius and within Sacramento Valley Air Basin 1.3:1 (new major/major mod), OR 1.2:1 (non-major), OR 1.0:1 if used at a non-major stationary source with an emission increase per §411.3 of >=5000 lb/qtr and <7500 lb/qtr; >15 to 50 miles within SVAB 2.0:1; >50 miles within SVAB >2.0:1 (case by case).","value":null,"conditions":"§303.2: offsets from Rule 205 (Community Bank/Priority Reserve) or Rule 206 (mobile/transportation ERCs): 1.0:1 for non-major sources/modifications with increase <=250 lb/day VOC, NOx, SOx and <=80 lb/day PM10; 1.2:1 if above those; new major source/major modification 1.3:1 for VOC/NOx, 1.2:1 for other nonattainment (except VOC, NOx, PM2.5) and all attainment pollutants, 1.0:1 for PM2.5. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling; APCO imposes additional ratios; PM10 may not offset NOx/VOC in ozone nonattainment areas or SOx in sulfate nonattainment areas; EPA written approval required at major sources. §305: PM2.5 interpollutant offsets not allowed unless modeling in an approved PM2.5 attainment plan supports ratios. §302.9: for major sources/major modifications, VOC and NOx offsets must come from within the Sacramento Federal Nonattainment Area for ozone. §302.3.a-b: quarter-shifting rules for VOC/NOx credits (Apr 1/Jul 1 credits usable in any quarter, max 20% cross-use between the Apr and Jul quarters; Jan 1/Oct 1 credits interchangeable).","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"q":{"text":"Rule 202 §411.4.a: \"Multiply the sum of all increases of the potential to emit minus the Historic Potential Emissions for the emissions units associated with a project by the appropriate offset ratio\" (§303). §411.4.b: calculated per pollutant per calendar quarter, or annually where threshold is in tons/yr. Once triggered, the whole project increase is offset (not only the amount above the trigger).","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"}},"VOC":{"t":{"text":"Rule 202 §302.1 (term: \"Volatile organic compounds\"): 5,000 lbs/quarter of stationary-source PTE (meets or exceeds). §411.3.b: for VOC and NOx the trigger quantity is \"the sum of the potential to emit for all emissions units at the stationary source\" (quarterly; daily for peaking power plants). Peaking power plants §302.2: 150 lb/day.","value":5000,"unit":"lb/qtr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"r":{"text":"Rule 202 §303.1 table (VOC or NOx column): Same source 1.3:1 if used at a new major stationary source or major modification at a major source, OR 1.0:1 if used at a non-major source/non-major modification; within 15-mile radius and within Sacramento Valley Air Basin 1.3:1 (new major/major mod), OR 1.2:1 (non-major), OR 1.0:1 if used at a non-major stationary source with an emission increase per §411.3 of >=5000 lb/qtr and <7500 lb/qtr; >15 to 50 miles within SVAB 2.0:1; >50 miles within SVAB >2.0:1 (case by case).","value":null,"conditions":"§303.2: offsets from Rule 205 (Community Bank/Priority Reserve) or Rule 206 (mobile/transportation ERCs): 1.0:1 for non-major sources/modifications with increase <=250 lb/day VOC, NOx, SOx and <=80 lb/day PM10; 1.2:1 if above those; new major source/major modification 1.3:1 for VOC/NOx, 1.2:1 for other nonattainment (except VOC, NOx, PM2.5) and all attainment pollutants, 1.0:1 for PM2.5. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling; APCO imposes additional ratios; PM10 may not offset NOx/VOC in ozone nonattainment areas or SOx in sulfate nonattainment areas; EPA written approval required at major sources. §305: PM2.5 interpollutant offsets not allowed unless modeling in an approved PM2.5 attainment plan supports ratios. §302.9 (VOC/NOx from Sacramento Federal Ozone Nonattainment Area for major sources/mods). Same quarter rules as NOx (§302.3.a-b). §304: compounds excluded from the VOC definition may not be used as VOC offsets.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"q":{"text":"Rule 202 §411.4.a: \"Multiply the sum of all increases of the potential to emit minus the Historic Potential Emissions for the emissions units associated with a project by the appropriate offset ratio\" (§303). §411.4.b: calculated per pollutant per calendar quarter, or annually where threshold is in tons/yr. Once triggered, the whole project increase is offset (not only the amount above the trigger).","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"}},"PM10":{"t":{"text":"Rule 202 §302.1: 7,300 lbs/quarter of PTE calculated per §411.3 (meets or exceeds). §411.3.a: for SOx, PM10, PM2.5 and CO, sum of PTE of all units installed after 1/1/1977 plus PTE minus Historic Potential Emissions for pre-1977 units modified after 1/1/1977 (quarterly for SOx, PM10, CO; yearly for PM2.5; daily for peaking power plants). Peaking power plants §302.2: 80 lb/day.","value":7300,"unit":"lb/qtr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"r":{"text":"Rule 202 §303.1: PM10 falls in the \"Other nonattainment pollutants\" column (same source 1.0:1; within 15 mi and within Sacramento Valley Air Basin 1.2:1; >15 to 50 mi within SVAB 2.0:1; >50 mi within SVAB >2.0:1 case by case) or the \"Attainment pollutants\" column (1.0:1 / 1.1:1 / 1.2:1 / >1.2:1 case by case).","value":null,"conditions":"Rule does not designate PM10 as attainment or nonattainment; the column depends on current designation. §303.2: offsets from Rule 205 (Community Bank/Priority Reserve) or Rule 206 (mobile/transportation ERCs): 1.0:1 for non-major sources/modifications with increase <=250 lb/day VOC, NOx, SOx and <=80 lb/day PM10; 1.2:1 if above those; new major source/major modification 1.3:1 for VOC/NOx, 1.2:1 for other nonattainment (except VOC, NOx, PM2.5) and all attainment pollutants, 1.0:1 for PM2.5. §302.3.c-d: quarter-shifting rules for CO, PM10, SOx credits. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling; APCO imposes additional ratios; PM10 may not offset NOx/VOC in ozone nonattainment areas or SOx in sulfate nonattainment areas; EPA written approval required at major sources. §305: PM2.5 interpollutant offsets not allowed unless modeling in an approved PM2.5 attainment plan supports ratios. §302.10: PM10 offsets for major sources/mods exceeding §227.3 levels must be obtained within Sacramento County as long as it is a federal PM10 nonattainment area.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"q":{"text":"Rule 202 §411.4.a: \"Multiply the sum of all increases of the potential to emit minus the Historic Potential Emissions for the emissions units associated with a project by the appropriate offset ratio\" (§303). §411.4.b: calculated per pollutant per calendar quarter, or annually where threshold is in tons/yr. Once triggered, the whole project increase is offset (not only the amount above the trigger).","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"}},"PM2.5":{"t":{"text":"Rule 202 §302.1: PM2.5 15 tons/year (PTE per §411.3, calculated in yearly emissions).","value":15,"unit":"tons/yr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"r":{"text":"Rule 202 §303.1 table (PM2.5 or ammonia-if-precursor column): same source 1.0:1; within 15-mile radius and within Sacramento Valley Air Basin 1.2:1; >15 to 50 miles within SVAB 2.0:1; >50 miles within SVAB >2.0:1 (case by case).","value":null,"conditions":"§303.2: 1.0:1 for PM2.5 from Rule 205/206 for new major source/major mod. §305: PM2.5 interpollutant offsets not allowed unless supported by modeling in an approved PM2.5 attainment plan. §302.10: for major sources/mods exceeding §227.3 levels, PM2.5 and precursor offsets must come from the Sacramento Federal Nonattainment Area for PM2.5. §302.3: same-quarter requirement applies \"Except for PM2.5\".","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"q":{"text":"Rule 202 §411.4.a: \"Multiply the sum of all increases of the potential to emit minus the Historic Potential Emissions for the emissions units associated with a project by the appropriate offset ratio\" (§303). §411.4.b: calculated per pollutant per calendar quarter, or annually where threshold is in tons/yr. Once triggered, the whole project increase is offset (not only the amount above the trigger). PM2.5 is calculated on an annual basis (threshold in tons/yr).","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"}},"SOx":{"t":{"text":"Rule 202 §302.1 (\"Sulfur oxides\"): 13,650 lbs/quarter of PTE per §411.3 (meets or exceeds). §411.3.a: for SOx, PM10, PM2.5 and CO, sum of PTE of all units installed after 1/1/1977 plus PTE minus Historic Potential Emissions for pre-1977 units modified after 1/1/1977 (quarterly for SOx, PM10, CO; yearly for PM2.5; daily for peaking power plants). Peaking power plants §302.2: 150 lb/day.","value":13650,"unit":"lb/qtr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"r":{"text":"Rule 202 §303.1: SOx falls in the \"Other nonattainment pollutants\" column (same source 1.0:1; within 15 mi and within Sacramento Valley Air Basin 1.2:1; >15 to 50 mi within SVAB 2.0:1; >50 mi within SVAB >2.0:1 case by case) or the \"Attainment pollutants\" column (1.0:1 / 1.1:1 / 1.2:1 / >1.2:1 case by case).","value":null,"conditions":"Rule does not designate SOx as attainment or nonattainment; the column depends on current designation. §303.2: offsets from Rule 205 (Community Bank/Priority Reserve) or Rule 206 (mobile/transportation ERCs): 1.0:1 for non-major sources/modifications with increase <=250 lb/day VOC, NOx, SOx and <=80 lb/day PM10; 1.2:1 if above those; new major source/major modification 1.3:1 for VOC/NOx, 1.2:1 for other nonattainment (except VOC, NOx, PM2.5) and all attainment pollutants, 1.0:1 for PM2.5. §302.3.c-d: quarter-shifting rules for CO, PM10, SOx credits. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling; APCO imposes additional ratios; PM10 may not offset NOx/VOC in ozone nonattainment areas or SOx in sulfate nonattainment areas; EPA written approval required at major sources. §305: PM2.5 interpollutant offsets not allowed unless modeling in an approved PM2.5 attainment plan supports ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"q":{"text":"Rule 202 §411.4.a: \"Multiply the sum of all increases of the potential to emit minus the Historic Potential Emissions for the emissions units associated with a project by the appropriate offset ratio\" (§303). §411.4.b: calculated per pollutant per calendar quarter, or annually where threshold is in tons/yr. Once triggered, the whole project increase is offset (not only the amount above the trigger).","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"}},"CO":{"t":{"text":"Rule 202 §302.1 (\"Carbon monoxide\"): 49,500 lbs/quarter of PTE per §411.3 (meets or exceeds). §411.3.a: for SOx, PM10, PM2.5 and CO, sum of PTE of all units installed after 1/1/1977 plus PTE minus Historic Potential Emissions for pre-1977 units modified after 1/1/1977 (quarterly for SOx, PM10, CO; yearly for PM2.5; daily for peaking power plants). Peaking power plants §302.2: 550 lb/day. §302.7: CO offsets not required if modeling shows the increase in ambient concentration does not exceed 500 micrograms per cubic meter, 8 hour average, at and beyond the property line.","value":49500,"unit":"lb/qtr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"r":{"text":"Rule 202 §303.1: CO falls in the \"Other nonattainment pollutants\" column (same source 1.0:1; within 15 mi and within Sacramento Valley Air Basin 1.2:1; >15 to 50 mi within SVAB 2.0:1; >50 mi within SVAB >2.0:1 case by case) or the \"Attainment pollutants\" column (1.0:1 / 1.1:1 / 1.2:1 / >1.2:1 case by case).","value":null,"conditions":"Rule does not designate CO as attainment or nonattainment; the column depends on current designation. §303.2: offsets from Rule 205 (Community Bank/Priority Reserve) or Rule 206 (mobile/transportation ERCs): 1.0:1 for non-major sources/modifications with increase <=250 lb/day VOC, NOx, SOx and <=80 lb/day PM10; 1.2:1 if above those; new major source/major modification 1.3:1 for VOC/NOx, 1.2:1 for other nonattainment (except VOC, NOx, PM2.5) and all attainment pollutants, 1.0:1 for PM2.5. §302.3.c-d: quarter-shifting rules for CO, PM10, SOx credits. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling; APCO imposes additional ratios; PM10 may not offset NOx/VOC in ozone nonattainment areas or SOx in sulfate nonattainment areas; EPA written approval required at major sources. §305: PM2.5 interpollutant offsets not allowed unless modeling in an approved PM2.5 attainment plan supports ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"},"q":{"text":"Rule 202 §411.4.a: \"Multiply the sum of all increases of the potential to emit minus the Historic Potential Emissions for the emissions units associated with a project by the appropriate offset ratio\" (§303). §411.4.b: calculated per pollutant per calendar quarter, or annually where threshold is in tons/yr. Once triggered, the whole project increase is offset (not only the amount above the trigger).","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID3552.pdf"}}}},"FRAQMD":{"rule":{"cite":"FRAQMD Rule 10.1","title":"New Source Review","date":"Adopted 2/8/1993; amended 9/13/1993, 4/11/1994, 3/22/1999, 11/20/2001, 6/7/2004, 10/05/2009, 02/06/2012, 10/6/2014","url":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"notes":"FRAQMD's website says its rules are available on CARB's website (links to ww2.arb.ca.gov/current-air-district-rules); text is from the CARB-hosted copy (RuleID983, CARB listing for Rule 10.1, amended 10/6/2014; RuleID915 is the same document). Areas: SFNA = Sacramento Federal Ozone Nonattainment Area, SBNA = Sutter Buttes ozone NA, YC-MNA = Yuba City-Marysville PM2.5 NA. Thresholds are written per \"project\" with \"potential to emit\", while §F.4 defines stationary-source PTE; the rule does not spell out whether the 10/25 tpy test is project or stationary-source PTE. Calculator caveat: must know project location (SFNA vs non-SFNA) to pick 10 vs 25 tpy and Table 2 vs Table 4; only the excess above the threshold is offset for minor sources, but the entire increase for major sources/mods.","exemptions":[{"text":"Rule 10.1 contains no stand-alone exemptions section. §F.3.c: if the project results in a decrease or no change in emissions, BACT and offsets are not required.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},{"text":"§B.4/B.5: E.2.a.2 (PM2.5 in YC-MNA) and E.2.a.1 (ozone in SBNA) stop applying if EPA redesignates those areas to attainment.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"}],"p":{"NOx":{"t":{"text":"Rule 10.1 §E.2.a: (1) project in SFNA or SBNA with a NOx increase that constitutes a new major source or major modification; (3) project in the SFNA with \"a potential to emit ... nitrogen oxides at a rate of 10 tons per year (tpy) or more\"; (4) project in the non-SFNA with PTE of 25 tpy or more; (5) NOx as a PM10 precursor: 25 tpy anywhere.","value":null,"unit":"tons/yr","basis":"project","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"r":{"text":"Rule 10.1 §E.2.e Table 2 (ROG/NOx offsets under E.2.a.1 [major source/major mod in SFNA or SBNA] and E.2.a.3 [SFNA, 10 tpy]): same source 1.3:1; within 15 miles and same nonattainment area (SFNA or SBNA) 1.3:1; >15 to 50 miles same NA area 1.5:1; >50 miles same NA area 2.0:1. Table 4 (ROG/NOx under E.2.a.4 [non-SFNA, 25 tpy]): same source 1.15:1; within 20 miles 1.2:1; >20 to 50 miles 1.5:1; >50 miles 2.0:1.","value":null,"conditions":"Ratio depends on area (SFNA/SBNA vs non-SFNA) and distance. §E.2.f: interpollutant offsets case by case with impact analysis showing net air quality benefit; APCO may impose higher ratios; PM10/PM10-precursor trades allowed; PM10 may not offset NOx or ROG; PM2.5/precursor trades only at SIP-approved ratios; federal uses need EPA approval. §E.2.e.3: offsets from another district require H&SC 40709.6 and an MOU; §E.2.e.4: for federal SFNA requirements, EPA approval also required. §E.2.h: NOx from quarters starting Apr 1 and Jul 1 may offset increases in quarters starting Oct 1 and Jan 1.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"q":{"text":"§E.2.a.1 (major source/mod in SFNA or SBNA): \"shall offset the entire emission increase from the project.\" §E.2.a.3 (SFNA): \"all emission increases above 10 tpy shall be offset.\" §E.2.a.4 (non-SFNA): \"all emission increases above 25 tpy shall be offset.\" §E.2.a: \"the emission increases and the post-project potential to emit for a project, as determined pursuant to Section F ... shall be offset as follows\". §E.2.c: \"Offsets shall be provided on a quarterly basis in proportion to projected quarterly emission rates.\"","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"}},"VOC":{"t":{"text":"Rule 10.1 (district term: \"reactive organic gases\", ROG; §D.55 VOC has the same meaning) §E.2.a: (1) SFNA/SBNA new major source or major modification; (3) SFNA PTE 10 tpy or more; (4) non-SFNA PTE 25 tpy or more; (5) ROG as PM10 precursor 25 tpy anywhere.","value":null,"unit":"tons/yr","basis":"project","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"r":{"text":"Rule 10.1 §E.2.e Table 2 (ROG/NOx offsets under E.2.a.1 [major source/major mod in SFNA or SBNA] and E.2.a.3 [SFNA, 10 tpy]): same source 1.3:1; within 15 miles and same nonattainment area (SFNA or SBNA) 1.3:1; >15 to 50 miles same NA area 1.5:1; >50 miles same NA area 2.0:1. Table 4 (ROG/NOx under E.2.a.4 [non-SFNA, 25 tpy]): same source 1.15:1; within 20 miles 1.2:1; >20 to 50 miles 1.5:1; >50 miles 2.0:1.","value":null,"conditions":"Ratio depends on area and distance. §E.2.f: interpollutant offsets case by case with impact analysis showing net air quality benefit; APCO may impose higher ratios; PM10/PM10-precursor trades allowed; PM10 may not offset NOx or ROG; PM2.5/precursor trades only at SIP-approved ratios; federal uses need EPA approval. §E.2.e.3: offsets from another district require H&SC 40709.6 and an MOU; §E.2.e.4: for federal SFNA requirements, EPA approval also required. §E.2.g: ROG from quarters starting Apr 1 and Jul 1 may offset increases in quarters starting Oct 1 and Jan 1.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"q":{"text":"Same as NOx: entire increase for SFNA/SBNA major source/mod (§E.2.a.1); increases above 10 tpy in SFNA (§E.2.a.3); above 25 tpy in non-SFNA (§E.2.a.4). §E.2.a: \"the emission increases and the post-project potential to emit for a project, as determined pursuant to Section F ... shall be offset as follows\". §E.2.c: \"Offsets shall be provided on a quarterly basis in proportion to projected quarterly emission rates.\"","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"}},"PM10":{"t":{"text":"Rule 10.1 §E.2.a.5: \"For a project located anywhere in the District which has a potential to emit PM10 or a PM10 precursor at a rate of 25 tpy or more\".","value":25,"unit":"tons/yr","basis":"project","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"r":{"text":"Rule 10.1 §E.2.e Table 5 (PM10 offsets under E.2.a.5): same source 1.0:1; within 15-mile radius 1.2:1; >15 to 50 miles 1.5:1; >50 miles 2.0:1.","value":null,"conditions":"Distance-based. §E.2.f: interpollutant offsets case by case with impact analysis showing net air quality benefit; APCO may impose higher ratios; PM10/PM10-precursor trades allowed; PM10 may not offset NOx or ROG; PM2.5/precursor trades only at SIP-approved ratios; federal uses need EPA approval. §E.2.e.3: offsets from another district require H&SC 40709.6 and an MOU; §E.2.e.4: for federal SFNA requirements, EPA approval also required.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"q":{"text":"§E.2.a.5: \"all emission increases above 25 tpy shall be offset.\" §E.2.a: \"the emission increases and the post-project potential to emit for a project, as determined pursuant to Section F ... shall be offset as follows\". §E.2.c: \"Offsets shall be provided on a quarterly basis in proportion to projected quarterly emission rates.\" §E.6: PM10 recalculated from TSP increases since 8/20/1983.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"}},"PM2.5":{"t":{"text":"Rule 10.1 §E.2.a.2: \"For a project located in the YC-MNA area for PM2.5 which has an emission increase of PM2.5 at a rate that constitutes a new major source or a major modification\". §D.48: significant = 10 tpy direct PM2.5 (or 40 tpy SO2 or NOx) in YC-MNA; §D.25: major source = 100 tpy. No minor-source PM2.5 offset threshold stated.","value":null,"unit":null,"basis":"project","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"r":{"text":"Rule 10.1 §E.2.e Table 3 (PM2.5 offsets under E.2.a.2): same source 1.0:1; within 15 miles and within YC-MNA 1.2:1; >15 to 50 miles within YC-MNA 1.5:1; >50 miles within YC-MNA 2.0:1.","value":null,"conditions":"Only for YC-MNA major sources/major mods. §E.2.f.3: PM2.5/precursor interpollutant offsets only at SIP-approved ratios. §B.4: E.2.a.2 stops applying if EPA redesignates Yuba City-Marysville to PM2.5 attainment.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"q":{"text":"§E.2.a.2: \"shall offset the entire emission increase from the project.\"","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"}},"SOx":{"t":{"text":"Rule 10.1 §E.2 has no stand-alone SOx offset trigger. SOx is covered only as a PM10 precursor under §E.2.a.5 (PTE of \"PM10 or a PM10 precursor at a rate of 25 tpy or more\"; §D.38 lists sulfur oxides as precursor to the sulfate fraction of PM10).","value":25,"unit":"tons/yr","basis":"project","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"r":{"text":"As PM10 precursor: Table 5 (same source 1.0:1; within 15 mi 1.2:1; 15-50 mi 1.5:1; >50 mi 2.0:1).","value":null,"conditions":"Applies only via the PM10-precursor trigger. §E.2.f: interpollutant offsets case by case with impact analysis showing net air quality benefit; APCO may impose higher ratios; PM10/PM10-precursor trades allowed; PM10 may not offset NOx or ROG; PM2.5/precursor trades only at SIP-approved ratios; federal uses need EPA approval. §E.2.e.3: offsets from another district require H&SC 40709.6 and an MOU; §E.2.e.4: for federal SFNA requirements, EPA approval also required.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"q":{"text":"§E.2.a.5: \"all emission increases above 25 tpy shall be offset.\"","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"}},"CO":{"t":{"text":"Rule 10.1 §E.2 sets no offset requirement for carbon monoxide; CO appears only in the BACT table (§E.1.e Table 1: 500.0 lb/day).","value":null,"unit":null,"basis":null,"source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"No CO offset requirement in Rule 10.1.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"},"q":{"text":"No CO offset requirement in Rule 10.1 §E.2.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID983.pdf"}}}},"YSAQMD":{"rule":{"cite":"YSAQMD Rule 3.4","title":"New Source Review","date":"Adopted September 22, 1993; revised February 23, 1994, November 8, 1995, December 11, 1996, August 13, 1997 (district file posted 9.21.20)","url":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"notes":"Taken from the district's own posted file (the ysaqmd.org current-rules page links this PDF; file name dated 9.21.20, but the rule text shows last revision August 13, 1997). Cross-references in the 1997 text are inconsistent (§302.3 cites §415 and §302.4 cites §416 for quantities, while §§416/417 are titled for ROC/NOx and SOx/PM10/CO) - quantity text quotes both. No PM2.5 provision in this rule. Ratio for >=50 miles is \"greater than 1.5 to 1.0\" with no fixed number, so a calculator should not assume 1.5. Trigger uses \"exceeds\" (strictly greater than), unlike SMAQMD's \"meets or exceeds\".","exemptions":[{"text":"§110 Emergency equipment (emergency power, flood control/fire-fighting pumping): exempt from §§302-303; maintenance <=50 hr/yr, total <=200 hr/yr, no grid power.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},{"text":"§111 Temporary source: APCO may exempt from §§302-303 if not a major source, major modification, or at a major source.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},{"text":"§113 Replacement equipment: §§302-303 do not apply.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},{"text":"§114 Rule-compliance modifications (least-emissive option only; EPA may still require offsets for federally significant modifications).","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"}],"p":{"NOx":{"t":{"text":"Rule 3.4 §302.1: offsets required where the stationary-source emission increase calculated per §413 \"exceeds\" 7,500 lbs/quarter. §413: trigger = quarterly sum of PTE of all emissions units at the stationary source (current PTOs/ATCs incl. current application) plus ERCs banked from units installed after 1/1/1977. §302.2 peaking power plants/auxiliary power generation: also 150 lb/day.","value":7500,"unit":"lb/qtr","basis":"stationary source","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"r":{"text":"Rule 3.4 §303.1.a (ROC/NOx column): major sources/major modifications - same source 1.3:1; within 15 miles 1.3:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1. Non-major sources/modifications - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1.","value":null,"conditions":"Depends on major vs non-major and distance; >=50 miles is open-ended (\"Greater than 1.5 to 1.0\"). §303.1.b Priority Reserve (Rule 3.6) offsets: 1.0:1 for non-major sources/modifications; major: 1.3:1 ROC/NOx, 1.2:1 SOx/PM10/CO. §303.1: offsets must come from within the Sacramento Valley Air Basin. §303.2: offsets from other districts need APCO review and H&SC 40709.6. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling, additional ratios imposed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; EPA approval at major sources. §303.3: major sources/mods must get ROC/NOx offsets from within the Sacramento Federal Nonattainment Area for ozone. §302.8: NOx from quarters starting Apr 1/Jul 1 may offset Oct 1/Jan 1 quarters.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"q":{"text":"§302.3: offset \"the net emissions increase of reactive organic compounds and nitrogen oxides\" from the same calendar quarter. §416: the net emissions increase is the PTE of the current application for new units, or the emission increases from the current application for modified units (quarterly lb). §415: emissions change = proposed emissions minus historic potential emissions, per unit, per quarter. Once triggered, the full application increase is offset, not just the amount above the trigger.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"}},"VOC":{"t":{"text":"Rule 3.4 (district term: \"Reactive organic compounds\", ROC) §302.1: emission increase per §413 exceeds 7,500 lbs/quarter. §413: trigger = quarterly sum of PTE of all emissions units at the stationary source (current PTOs/ATCs incl. current application) plus ERCs banked from units installed after 1/1/1977. §302.2 peaking power plants: 150 lb/day.","value":7500,"unit":"lb/qtr","basis":"stationary source","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"r":{"text":"Rule 3.4 §303.1.a (ROC/NOx column): major sources/major modifications - same source 1.3:1; within 15 miles 1.3:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1. Non-major sources/modifications - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1.","value":null,"conditions":"Same as NOx. §303.1.b Priority Reserve (Rule 3.6) offsets: 1.0:1 for non-major sources/modifications; major: 1.3:1 ROC/NOx, 1.2:1 SOx/PM10/CO. §303.1: offsets must come from within the Sacramento Valley Air Basin. §303.2: offsets from other districts need APCO review and H&SC 40709.6. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling, additional ratios imposed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; EPA approval at major sources. §303.3 (SFNA origin for major). §302.7 ROC quarter shifting (Apr 1/Jul 1 to Oct 1/Jan 1). §304: compounds excluded from ROC definition may not offset ROC.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"q":{"text":"§302.3: offset \"the net emissions increase of reactive organic compounds and nitrogen oxides\" from the same calendar quarter. §416: the net emissions increase is the PTE of the current application for new units, or the emission increases from the current application for modified units (quarterly lb). §415: emissions change = proposed emissions minus historic potential emissions, per unit, per quarter. Once triggered, the full application increase is offset, not just the amount above the trigger.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"}},"PM10":{"t":{"text":"Rule 3.4 §302.1: emission increase per §414 exceeds 13,650 lbs/quarter. §414: trigger = quarterly sum of PTE of all emissions units at the stationary source (current PTOs/ATCs incl. current application) plus ERCs from units installed after 1/1/1977. §302.2 peaking power plants: 80 lb/day.","value":13650,"unit":"lb/qtr","basis":"stationary source","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"r":{"text":"Rule 3.4 §303.1.a (Sulfur oxides, PM10 or CO column): major sources/major modifications - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1. Non-major - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1.","value":null,"conditions":"Distance-based; >=50 miles open-ended. §303.1.b Priority Reserve (Rule 3.6) offsets: 1.0:1 for non-major sources/modifications; major: 1.3:1 ROC/NOx, 1.2:1 SOx/PM10/CO. §303.1: offsets must come from within the Sacramento Valley Air Basin. §303.2: offsets from other districts need APCO review and H&SC 40709.6. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling, additional ratios imposed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; EPA approval at major sources.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"q":{"text":"§302.4: offset \"the net emissions increase of sulfur oxides, PM10 and carbon monoxide\" from the same calendar quarter. §417: \"The emission offset requirement for SOx, PM10 and CO shall be equal to the potential to emit of the current application expressed in terms of pounds per quarter.\"","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"}},"PM2.5":{"t":{"text":"PM2.5 is not mentioned in Rule 3.4 (the 1997 text has no PM2.5 offset provision). Federal major-source PM2.5 NSR is in separate Rule 3.25, not reviewed here.","value":null,"unit":null,"basis":null,"source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"PM2.5 not mentioned in Rule 3.4.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"q":{"text":"PM2.5 not mentioned in Rule 3.4.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"}},"SOx":{"t":{"text":"Rule 3.4 §302.1 (\"Sulfur oxides\"): emission increase per §414 exceeds 13,650 lbs/quarter. §414: trigger = quarterly sum of PTE of all emissions units at the stationary source (current PTOs/ATCs incl. current application) plus ERCs from units installed after 1/1/1977. §302.2 peaking power plants: 150 lb/day.","value":13650,"unit":"lb/qtr","basis":"stationary source","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"r":{"text":"Rule 3.4 §303.1.a (Sulfur oxides, PM10 or CO column): major sources/major modifications - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1. Non-major - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1.","value":null,"conditions":"Distance-based; >=50 miles open-ended. §303.1.b Priority Reserve (Rule 3.6) offsets: 1.0:1 for non-major sources/modifications; major: 1.3:1 ROC/NOx, 1.2:1 SOx/PM10/CO. §303.1: offsets must come from within the Sacramento Valley Air Basin. §303.2: offsets from other districts need APCO review and H&SC 40709.6. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling, additional ratios imposed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; EPA approval at major sources.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"q":{"text":"§302.4: offset \"the net emissions increase of sulfur oxides, PM10 and carbon monoxide\" from the same calendar quarter. §417: \"The emission offset requirement for SOx, PM10 and CO shall be equal to the potential to emit of the current application expressed in terms of pounds per quarter.\"","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"}},"CO":{"t":{"text":"Rule 3.4 §302.1 (\"Carbon monoxide\"): emission increase per §414 exceeds 49,500 lbs/quarter. §414: trigger = quarterly sum of PTE of all emissions units at the stationary source (current PTOs/ATCs incl. current application) plus ERCs from units installed after 1/1/1977. §302.2 peaking power plants: 550 lb/day.","value":49500,"unit":"lb/qtr","basis":"stationary source","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"r":{"text":"Rule 3.4 §303.1.a (Sulfur oxides, PM10 or CO column): major sources/major modifications - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1. Non-major - same source 1.0:1; within 15 miles 1.2:1; >15 to 50 miles 1.5:1; >=50 miles greater than 1.5:1.","value":null,"conditions":"Distance-based; >=50 miles open-ended. §303.1.b Priority Reserve (Rule 3.6) offsets: 1.0:1 for non-major sources/modifications; major: 1.3:1 ROC/NOx, 1.2:1 SOx/PM10/CO. §303.1: offsets must come from within the Sacramento Valley Air Basin. §303.2: offsets from other districts need APCO review and H&SC 40709.6. §304: interpollutant offsets discouraged, case-by-case between precursors with modeling, additional ratios imposed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; EPA approval at major sources.","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"},"q":{"text":"§302.4: offset \"the net emissions increase of sulfur oxides, PM10 and carbon monoxide\" from the same calendar quarter. §417: \"The emission offset requirement for SOx, PM10 and CO shall be equal to the potential to emit of the current application expressed in terms of pounds per quarter.\"","source":"https://www.ysaqmd.org/wp-content/uploads/2020/09/3.4-New-Source-Review-9.21.20.pdf"}}}},"BCAQMD":{"rule":{"cite":"BCAQMD Rule 430 (State NSR); also Rule 432 (Federal NSR)","title":"Rule 430 State New Source Review (SNSR); Rule 432 Federal New Source Review (FNSR)","date":"Rule 430: adopted January 4, 1972, July 26, 1979; recodified August 6, 1985; amended January 12, 1993; recodified August 22, 2002; amended September 28, 2006, May 26, 2011, December 8, 2011. Rule 432: adopted September 28, 2006; repealed and adopted May 26, 2011; amended April 24, 2014, March 23, 2017, April 22, 2021","url":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},"notes":"BCAQMD's District Rules page directs users to CARB's Current Air District Rules database; text is from CARB-hosted copies (Rule 430 = RuleID502, amended 12/8/2011; Rule 432 = RuleID4774, amended 4/22/2021). No Rule 434 NSR appears in the CARB listing; the state NSR rule with the offset trigger is Rule 430. Rule 430 applies only to non-attainment pollutants and precursors and does not say which pollutants are currently non-attainment in Butte County - a calculator must apply current CARB/EPA designations. Same ratios for every pollutant; no quarterly lb thresholds. For minor sources only the PTE above 25 tpy is offset until the source crosses 25 tpy, then all increases.","exemptions":[{"text":"Rule 430 §2.2: offset (and BACT) provisions do not apply to portable, temporary or replacement emissions units unless major sources or major modifications at a major source.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},{"text":"Rule 430 §5.2.5: CO offsets waived with impact analysis showing no AAQS violation.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},{"text":"Rule 432 §2.3: same portable/temporary/replacement exclusion for federal NSR unless major.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"}],"p":{"NOx":{"t":{"text":"Rule 430 §5.2.4 applies to \"non-attainment pollutants or their precursors\" (§4.27: designated non-attainment by EPA or CARB). NOx: new stationary source with PTE \"equal to or exceeding 25 tons per year\" (§5.2.4.1); existing source under 25 tpy offsets the portion of post-modification PTE above 25 tpy (§5.2.4.2); existing source at/above 25 tpy offsets any PTE increase (§5.2.4.3). The rule does not list which pollutants are currently non-attainment. Federal Rule 432 (major sources, 100 tpy / significance levels) applies in addition.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},"r":{"text":"Rule 430 §5.3.3: on-site 1:1; within 20 miles 1.2:1; from 20 miles to 50 miles 1.5:1; over 50 miles 2:1. Rule 432 §5.3.3 (federal major sources/mods): same distance ratios.","value":null,"conditions":"Distance-based. Rule 430 §5.3.1: offsets only from air basins with the same or more stringent nonattainment designation; §5.3.2 offsite offsets must give net air quality benefit; §5.3.4 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios. Rule 432 §5.3.1: federal offsets only from a nonattainment area of same or higher classification for the same pollutant/precursor; §5.3.4 APCO may impose higher ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"},"q":{"text":"Rule 430 §5.2.4.1: offsets \"equal to or greater than that portion of the potential to emit which exceeds 25 tons per year\" (new source); §5.2.4.2: \"that portion of the stationary source's potential to emit which after modification exceeds 25 tons per year\"; §5.2.4.3: \"any increases in potential to emit\" for sources already at/above 25 tpy. §5.2.1: offsets cover \"calendar quarter increases in the potential to emit\". §6.6: quantity = §5.2.4 amount x §5.3 ratio. Rule 432 §5.2.4 (federal): new major source offsets \"all emission increases of each nonattainment pollutant for which the source is classified as a major source\"; major modification offsets PTE after minus actual emissions before.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"}},"VOC":{"t":{"text":"Rule 430 §5.2.4 applies to \"non-attainment pollutants or their precursors\" (§4.27: designated non-attainment by EPA or CARB). VOC (district term: \"volatile organic compounds\"): new stationary source with PTE \"equal to or exceeding 25 tons per year\" (§5.2.4.1); existing source under 25 tpy offsets the portion of post-modification PTE above 25 tpy (§5.2.4.2); existing source at/above 25 tpy offsets any PTE increase (§5.2.4.3). The rule does not list which pollutants are currently non-attainment. Federal Rule 432 (major sources, 100 tpy / significance levels) applies in addition.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},"r":{"text":"Rule 430 §5.3.3: on-site 1:1; within 20 miles 1.2:1; from 20 miles to 50 miles 1.5:1; over 50 miles 2:1. Rule 432 §5.3.3 (federal major sources/mods): same distance ratios.","value":null,"conditions":"Distance-based. Rule 430 §5.3.1: offsets only from air basins with the same or more stringent nonattainment designation; §5.3.2 offsite offsets must give net air quality benefit; §5.3.4 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios. Rule 432 §5.3.1: federal offsets only from a nonattainment area of same or higher classification for the same pollutant/precursor; §5.3.4 APCO may impose higher ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"},"q":{"text":"Rule 430 §5.2.4.1: offsets \"equal to or greater than that portion of the potential to emit which exceeds 25 tons per year\" (new source); §5.2.4.2: \"that portion of the stationary source's potential to emit which after modification exceeds 25 tons per year\"; §5.2.4.3: \"any increases in potential to emit\" for sources already at/above 25 tpy. §5.2.1: offsets cover \"calendar quarter increases in the potential to emit\". §6.6: quantity = §5.2.4 amount x §5.3 ratio. Rule 432 §5.2.4 (federal): new major source offsets \"all emission increases of each nonattainment pollutant for which the source is classified as a major source\"; major modification offsets PTE after minus actual emissions before.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"}},"PM10":{"t":{"text":"Rule 430 §5.2.4 applies to \"non-attainment pollutants or their precursors\" (§4.27: designated non-attainment by EPA or CARB). PM10: new stationary source with PTE \"equal to or exceeding 25 tons per year\" (§5.2.4.1); existing source under 25 tpy offsets the portion of post-modification PTE above 25 tpy (§5.2.4.2); existing source at/above 25 tpy offsets any PTE increase (§5.2.4.3). The rule does not list which pollutants are currently non-attainment. Federal Rule 432 (major sources, 100 tpy / significance levels) applies in addition.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},"r":{"text":"Rule 430 §5.3.3: on-site 1:1; within 20 miles 1.2:1; from 20 miles to 50 miles 1.5:1; over 50 miles 2:1. Rule 432 §5.3.3 (federal major sources/mods): same distance ratios.","value":null,"conditions":"Distance-based. Rule 430 §5.3.1: offsets only from air basins with the same or more stringent nonattainment designation; §5.3.2 offsite offsets must give net air quality benefit; §5.3.4 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios. Rule 432 §5.3.1: federal offsets only from a nonattainment area of same or higher classification for the same pollutant/precursor; §5.3.4 APCO may impose higher ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"},"q":{"text":"Rule 430 §5.2.4.1: offsets \"equal to or greater than that portion of the potential to emit which exceeds 25 tons per year\" (new source); §5.2.4.2: \"that portion of the stationary source's potential to emit which after modification exceeds 25 tons per year\"; §5.2.4.3: \"any increases in potential to emit\" for sources already at/above 25 tpy. §5.2.1: offsets cover \"calendar quarter increases in the potential to emit\". §6.6: quantity = §5.2.4 amount x §5.3 ratio. Rule 432 §5.2.4 (federal): new major source offsets \"all emission increases of each nonattainment pollutant for which the source is classified as a major source\"; major modification offsets PTE after minus actual emissions before.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"}},"PM2.5":{"t":{"text":"Rule 430 §5.2.4: same 25 tpy test for any non-attainment pollutant; PM2.5 is defined (§4.31) and a PM2.5 Nonattainment Area (western Butte County) is defined (§4.32), but §5.2 does not name PM2.5 specifically. Rule 432 §4.19.6 federal significance: 10 tpy direct PM2.5 (or 40 tpy SO2/NOx); major source 100 tpy (§4.20).","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"},"r":{"text":"Rule 430 §5.3.3: on-site 1:1; within 20 miles 1.2:1; from 20 miles to 50 miles 1.5:1; over 50 miles 2:1. Rule 432 §5.3.3 (federal major sources/mods): same distance ratios.","value":null,"conditions":"Distance-based. Rule 430 §5.3.1: offsets only from air basins with the same or more stringent nonattainment designation; §5.3.2 offsite offsets must give net air quality benefit; §5.3.4 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios. Rule 432 §5.3.1: federal offsets only from a nonattainment area of same or higher classification for the same pollutant/precursor; §5.3.4 APCO may impose higher ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"},"q":{"text":"Rule 430 §5.2.4.1: offsets \"equal to or greater than that portion of the potential to emit which exceeds 25 tons per year\" (new source); §5.2.4.2: \"that portion of the stationary source's potential to emit which after modification exceeds 25 tons per year\"; §5.2.4.3: \"any increases in potential to emit\" for sources already at/above 25 tpy. §5.2.1: offsets cover \"calendar quarter increases in the potential to emit\". §6.6: quantity = §5.2.4 amount x §5.3 ratio. Rule 432 §5.2.4 (federal): new major source offsets \"all emission increases of each nonattainment pollutant for which the source is classified as a major source\"; major modification offsets PTE after minus actual emissions before.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"}},"SOx":{"t":{"text":"Rule 430 §5.2.4 applies to \"non-attainment pollutants or their precursors\" (§4.27: designated non-attainment by EPA or CARB). SOx (as non-attainment pollutant or precursor): new stationary source with PTE \"equal to or exceeding 25 tons per year\" (§5.2.4.1); existing source under 25 tpy offsets the portion of post-modification PTE above 25 tpy (§5.2.4.2); existing source at/above 25 tpy offsets any PTE increase (§5.2.4.3). The rule does not list which pollutants are currently non-attainment. Federal Rule 432 (major sources, 100 tpy / significance levels) applies in addition.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},"r":{"text":"Rule 430 §5.3.3: on-site 1:1; within 20 miles 1.2:1; from 20 miles to 50 miles 1.5:1; over 50 miles 2:1. Rule 432 §5.3.3 (federal major sources/mods): same distance ratios.","value":null,"conditions":"Distance-based. Rule 430 §5.3.1: offsets only from air basins with the same or more stringent nonattainment designation; §5.3.2 offsite offsets must give net air quality benefit; §5.3.4 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios. Rule 432 §5.3.1: federal offsets only from a nonattainment area of same or higher classification for the same pollutant/precursor; §5.3.4 APCO may impose higher ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"},"q":{"text":"Rule 430 §5.2.4.1: offsets \"equal to or greater than that portion of the potential to emit which exceeds 25 tons per year\" (new source); §5.2.4.2: \"that portion of the stationary source's potential to emit which after modification exceeds 25 tons per year\"; §5.2.4.3: \"any increases in potential to emit\" for sources already at/above 25 tpy. §5.2.1: offsets cover \"calendar quarter increases in the potential to emit\". §6.6: quantity = §5.2.4 amount x §5.3 ratio. Rule 432 §5.2.4 (federal): new major source offsets \"all emission increases of each nonattainment pollutant for which the source is classified as a major source\"; major modification offsets PTE after minus actual emissions before.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"}},"CO":{"t":{"text":"Rule 430 §5.2.4 25 tpy test applies only if CO is a non-attainment pollutant. §5.2.5: \"Offsets shall not be required for increases in carbon monoxide if the applicant demonstrates ... through an impact analysis, that the ambient air quality standards are not violated\".","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf"},"r":{"text":"Rule 430 §5.3.3: on-site 1:1; within 20 miles 1.2:1; from 20 miles to 50 miles 1.5:1; over 50 miles 2:1. Rule 432 §5.3.3 (federal major sources/mods): same distance ratios.","value":null,"conditions":"Distance-based. Rule 430 §5.3.1: offsets only from air basins with the same or more stringent nonattainment designation; §5.3.2 offsite offsets must give net air quality benefit; §5.3.4 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios. Rule 432 §5.3.1: federal offsets only from a nonattainment area of same or higher classification for the same pollutant/precursor; §5.3.4 APCO may impose higher ratios.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"},"q":{"text":"Rule 430 §5.2.4.1: offsets \"equal to or greater than that portion of the potential to emit which exceeds 25 tons per year\" (new source); §5.2.4.2: \"that portion of the stationary source's potential to emit which after modification exceeds 25 tons per year\"; §5.2.4.3: \"any increases in potential to emit\" for sources already at/above 25 tpy. §5.2.1: offsets cover \"calendar quarter increases in the potential to emit\". §6.6: quantity = §5.2.4 amount x §5.3 ratio. Rule 432 §5.2.4 (federal): new major source offsets \"all emission increases of each nonattainment pollutant for which the source is classified as a major source\"; major modification offsets PTE after minus actual emissions before.","source":"https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID502.pdf ; https://ww2.arb.ca.gov/sites/default/files/classic/technology-clearinghouse/rules/RuleID4774.pdf"}}}},"TCAPCD":{"rule":{"cite":"TCAPCD Rule 2:3A (Regulation II)","title":"New Source Review","date":"Adopted 9/19/1985; repealed/adopted 6/16/1992, 6/22/1993, 2/1/1994, 6/7/1994, 6/3/1997, 7/15/2008 (in Regulation II PDF revised July 1, 2026)","url":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"notes":"Source is the district's own Regulation II PDF (tehcoapcd.net, revised July 1, 2026); the NSR rule is Rule 2:3A (CARB lists it as 2.03a). Rule 2:3A applies offsets only to non-attainment pollutants/precursors and does not say which pollutants are currently non-attainment in Tehama County - designation must be checked separately. Same ratios for every pollutant. The 1.5:1 tier is printed as \"miles to 50 miles\" with no lower bound; next to the 1.2:1 'within 20 miles' tier it reads as 20-50 miles, but the number is missing from the text. Federal major-source ratios in Rule 2:3C are written as increase:reduction (1:1.1 etc.), the inverse of the other districts' notation.","exemptions":[{"text":"Rule 2:3A §5.2.1: CO offsets waived with impact analysis showing no AAQS violation. No other offset exemptions section in Rule 2:3A.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},{"text":"Rule 2:3C (New and Modified Major Sources in the Tuscan Buttes Nonattainment Areas; adopted 09/01/2015, repealed/adopted 6/9/2020, 2/28/2023): §4.3 offsets in tpy; new major source offsets the sum of PTE of all units; major modification offsets allowable-after minus actual-before; Table 1 ratios (increase:reduction) Marginal 1:1.1, Moderate 1:1.15, Serious 1:1.2 for NOx or VOC; reductions from the same NA area (§4.4.3).","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"}],"p":{"NOx":{"t":{"text":"Rule 2:3A §5.2 applies to \"non-attainment pollutants or their precursors\" (§4.20: designated non-attainment by EPA or by ARB). NOx: §5.2.2 offsets required for a new stationary source with PTE \"equal to or exceeding 25 tons per year\"; §5.2.4 modified sources measured against 25 tpy PTE as of June 16, 1992. The rule does not list which pollutants are currently non-attainment.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"r":{"text":"Rule 2:3A §5.3.1: on-site 1:1; within 20 miles 1.2:1; \"miles to 50 miles\" 1.5:1 (starting distance missing in the posted text); over 50 miles 2:1.","value":null,"conditions":"Distance-based. §5.3.2 offsets must give net air quality benefit; §5.3.3 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios; PM10/precursor trades may be allowed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; halogenated hydrocarbons may not offset ROC.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"q":{"text":"Rule 2:3A §5.2.3: \"The amount of offsets required shall be at least equal to that portion of the potential to emit which exceeds 25 tons per year.\" §5.2.4.1: sources under 25 tpy (as of 6/16/1992) offset the portion of post-modification PTE above 25 tpy, and once over, \"all future increases from new or modified emissions units shall be offset\"; §5.2.4.2: sources at/above 25 tpy as of 6/16/1992 \"shall offset any increases in potential to emit\". §5.2: offsets cover \"calendar quarter emission increases\".","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"}},"VOC":{"t":{"text":"Rule 2:3A §5.2 applies to \"non-attainment pollutants or their precursors\" (§4.20: designated non-attainment by EPA or by ARB). VOC (district term: \"reactive organic compounds\", ROC): §5.2.2 offsets required for a new stationary source with PTE \"equal to or exceeding 25 tons per year\"; §5.2.4 modified sources measured against 25 tpy PTE as of June 16, 1992. The rule does not list which pollutants are currently non-attainment.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"r":{"text":"Rule 2:3A §5.3.1: on-site 1:1; within 20 miles 1.2:1; \"miles to 50 miles\" 1.5:1 (starting distance missing in the posted text); over 50 miles 2:1.","value":null,"conditions":"Distance-based. §5.3.2 offsets must give net air quality benefit; §5.3.3 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios; PM10/precursor trades may be allowed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; halogenated hydrocarbons may not offset ROC.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"q":{"text":"Rule 2:3A §5.2.3: \"The amount of offsets required shall be at least equal to that portion of the potential to emit which exceeds 25 tons per year.\" §5.2.4.1: sources under 25 tpy (as of 6/16/1992) offset the portion of post-modification PTE above 25 tpy, and once over, \"all future increases from new or modified emissions units shall be offset\"; §5.2.4.2: sources at/above 25 tpy as of 6/16/1992 \"shall offset any increases in potential to emit\". §5.2: offsets cover \"calendar quarter emission increases\".","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"}},"PM10":{"t":{"text":"Rule 2:3A §5.2 applies to \"non-attainment pollutants or their precursors\" (§4.20: designated non-attainment by EPA or by ARB). PM10: §5.2.2 offsets required for a new stationary source with PTE \"equal to or exceeding 25 tons per year\"; §5.2.4 modified sources measured against 25 tpy PTE as of June 16, 1992. The rule does not list which pollutants are currently non-attainment.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"r":{"text":"Rule 2:3A §5.3.1: on-site 1:1; within 20 miles 1.2:1; \"miles to 50 miles\" 1.5:1 (starting distance missing in the posted text); over 50 miles 2:1.","value":null,"conditions":"Distance-based. §5.3.2 offsets must give net air quality benefit; §5.3.3 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios; PM10/precursor trades may be allowed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; halogenated hydrocarbons may not offset ROC.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"q":{"text":"Rule 2:3A §5.2.3: \"The amount of offsets required shall be at least equal to that portion of the potential to emit which exceeds 25 tons per year.\" §5.2.4.1: sources under 25 tpy (as of 6/16/1992) offset the portion of post-modification PTE above 25 tpy, and once over, \"all future increases from new or modified emissions units shall be offset\"; §5.2.4.2: sources at/above 25 tpy as of 6/16/1992 \"shall offset any increases in potential to emit\". §5.2: offsets cover \"calendar quarter emission increases\". §5.8: PM10 recalculated from TSP increases since 8/20/1983.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"}},"PM2.5":{"t":{"text":"PM2.5 is not mentioned in Rule 2:3A. (Rule 2:3C, federal NSR for major sources in the Tuscan Buttes nonattainment area, lists ratios only for NOx/VOC in its Table 1.)","value":null,"unit":null,"basis":null,"source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"PM2.5 not mentioned in Rule 2:3A.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"q":{"text":"PM2.5 not mentioned in Rule 2:3A.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"}},"SOx":{"t":{"text":"Rule 2:3A §5.2 applies to \"non-attainment pollutants or their precursors\" (§4.20: designated non-attainment by EPA or by ARB). SOx: §5.2.2 offsets required for a new stationary source with PTE \"equal to or exceeding 25 tons per year\"; §5.2.4 modified sources measured against 25 tpy PTE as of June 16, 1992. The rule does not list which pollutants are currently non-attainment.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"r":{"text":"Rule 2:3A §5.3.1: on-site 1:1; within 20 miles 1.2:1; \"miles to 50 miles\" 1.5:1 (starting distance missing in the posted text); over 50 miles 2:1.","value":null,"conditions":"Distance-based. §5.3.2 offsets must give net air quality benefit; §5.3.3 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios; PM10/precursor trades may be allowed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; halogenated hydrocarbons may not offset ROC.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"q":{"text":"Rule 2:3A §5.2.3: \"The amount of offsets required shall be at least equal to that portion of the potential to emit which exceeds 25 tons per year.\" §5.2.4.1: sources under 25 tpy (as of 6/16/1992) offset the portion of post-modification PTE above 25 tpy, and once over, \"all future increases from new or modified emissions units shall be offset\"; §5.2.4.2: sources at/above 25 tpy as of 6/16/1992 \"shall offset any increases in potential to emit\". §5.2: offsets cover \"calendar quarter emission increases\".","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"}},"CO":{"t":{"text":"Rule 2:3A 25 tpy test applies only if CO is a non-attainment pollutant. §5.2.1: \"Offsets shall not be required for increases of carbon monoxide if the applicant demonstrates ... through an impact analysis, that the ambient air quality standards are not violated\".","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"r":{"text":"Rule 2:3A §5.3.1: on-site 1:1; within 20 miles 1.2:1; \"miles to 50 miles\" 1.5:1 (starting distance missing in the posted text); over 50 miles 2:1.","value":null,"conditions":"Distance-based. §5.3.2 offsets must give net air quality benefit; §5.3.3 other-district offsets need H&SC 40709.6 and an MOU; §5.4 interpollutant offsets case by case with impact analysis, APCO may impose higher ratios; PM10/precursor trades may be allowed; PM10 may not offset NOx/ROC in ozone NA areas or SOx in sulfate NA areas; halogenated hydrocarbons may not offset ROC.","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"},"q":{"text":"Rule 2:3A §5.2.3: \"The amount of offsets required shall be at least equal to that portion of the potential to emit which exceeds 25 tons per year.\" §5.2.4.1: sources under 25 tpy (as of 6/16/1992) offset the portion of post-modification PTE above 25 tpy, and once over, \"all future increases from new or modified emissions units shall be offset\"; §5.2.4.2: sources at/above 25 tpy as of 6/16/1992 \"shall offset any increases in potential to emit\". §5.2: offsets cover \"calendar quarter emission increases\".","source":"https://www.tehcoapcd.net/wp-content/uploads/2026/07/REVISED-REGULATION-II-July-1-2026-1.pdf"}}}},"SDAPCD":{"rule":{"cite":"SDAPCD Rules 20.1, 20.2, 20.3 (offset provisions in Rule 20.3 §(d)(5); definitions in Rule 20.1)","title":"Rule 20.3 New Source Review - Major Stationary Sources and Prevention of Significant Deterioration (PSD) Stationary Sources; Rule 20.1 New Source Review - General Provisions","date":"Rules 20.1 and 20.3: Rev. Adopted 10/14/21 & Effective 10/28/22; Rule 20.2 (Non-Major Stationary Sources): Adopted and Effective 5/17/94","url":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},"notes":"Offsets in SDAPCD are a major-source requirement only (Rule 20.3). Rule 20.2 (non-major sources) contains no general offset requirement; its only offset language is the PM10 AQIA-waiver 1.5:1 provision. Rule 20.1 §(d)(5)(vii): offsets must be located in San Diego County. Rule 20.3 §(d)(5)(i): major-modification applicability is based on the stationary source's contemporaneous net emissions increase (or the unit/project increase for NOx/VOC if extreme). Which federal classifications/nonattainment designations currently apply is not stated in the rule text.","exemptions":[{"text":"Rule 20.3 §(b)(3): emission increases from an air contaminant emission control project are exempt from offsets to the extent the project does not increase capacity (not for a new federal major source / federal major modification unless NOx/VOC in an extreme ozone area).","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},{"text":"Rule 20.3 §(d)(1)(v)(B): VOC/NOx increases offset by actual reductions within the stationary source at >=1.3 to 1.0 are exempt from LAER and from further offsets (not in an extreme ozone area).","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},{"text":"Rule 20.1 §(b)(6): applications solely to reduce an emission unit's PTE are exempt from BACT, LAER, AQIA and Emission Offset provisions; §(b) also covers certain previously-exempt units, abrasive blasting per 17 CCR 92000, military arresting-gear engines and nuclear dome compressors (limited).","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"},{"text":"Rule 20.3 §(d)(5)(ii)(F): once an increase has been offset, it is no longer counted in the contemporaneous net emissions increase.","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"}],"p":{"NOx":{"t":{"text":"Rule 20.3 §(d)(5): offsets required where the increase \"constitutes a new major stationary source, a new federal major source, a major modification, or a federal major modification for NOx or VOC\". Rule 20.1 Table 20.1-6b Major Stationary Source NOx 50 ton/yr (aggregate PTE incl. fugitives); Table 20.1-6a Major Modification 25 ton/yr contemporaneous net emissions increase at an existing major source; Table 20.1-5b Federal Major Stationary Source NOx 100 (marginal/moderate), 50 (serious), 25 (severe), 10 (extreme) ton/yr; Table 20.1-5a Federal Major Modification 40 (marginal/moderate), 25 (serious/severe), 0 (extreme) ton/yr, based on EPA ozone designation for the San Diego Air Basin.","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"},"r":{"text":"Rule 20.3 §(d)(5)(ii)(D): new major stationary source or major modification (state definitions) \"shall be offset at a ratio of 1.2 to 1.0.\" §(d)(5)(ii)(A) Table 20.3-2 for a new federal major stationary source / federal major modification: Marginal, moderate or serious 1.2 to 1.0; Severe 1.3 to 1.0; Extreme 1.5 to 1.0. §(d)(5)(ii)(C): 1.2 to 1.0 after EPA approves a demonstration that all federal major NOx/VOC sources have federal BACT.","value":null,"conditions":"1.2 for state major source/major modification; federal case depends on EPA ozone classification of the San Diego Air Basin (rule does not state the current classification). §(d)(5)(ii)(B): in an extreme area a federal major modification offset internally at 1.3:1 is excused from Table 20.3-2.","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},"q":{"text":"Rule 20.3 §(d)(5)(ii)(A): \"an emissions increase calculated pursuant to Rule 20.1, Subsections (d)(1) through (3)\" is offset; offsets \"on a pollutant-specific basis, for such emission increases\" (§(d)(5)). Rule 20.1 §(d)(5)(vi): \"Emission offsets shall be provided on a ton per year basis.\"","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"}},"VOC":{"t":{"text":"District term: VOC. Same as NOx: Rule 20.3 §(d)(5) (NOx or VOC); Rule 20.1 Table 20.1-6b Major Stationary Source VOC 50 ton/yr; Table 20.1-6a Major Modification VOC 25 ton/yr; Table 20.1-5b Federal Major Stationary Source VOC 100/50/25/10 ton/yr (marginal-moderate/serious/severe/extreme); Table 20.1-5a Federal Major Modification 40/25/0 ton/yr.","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"},"r":{"text":"Rule 20.3 §(d)(5)(ii)(D): 1.2 to 1.0 for new major stationary source or major modification; Table 20.3-2 (federal): Marginal, moderate or serious 1.2 to 1.0; Severe 1.3 to 1.0; Extreme 1.5 to 1.0.","value":null,"conditions":"Federal ratio depends on EPA ozone classification (not stated in the rule).","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},"q":{"text":"Rule 20.3 §(d)(5)(ii)(A): \"an emissions increase calculated pursuant to Rule 20.1, Subsections (d)(1) through (3)\".","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"}},"PM10":{"t":{"text":"Rule 20.3 §(d)(5): offsets required only \"for any air contaminant, or its precursor air contaminants, for which the San Diego Air Basin has been designated by EPA as nonattainment for the NAAQS\" where the increase constitutes a new major stationary source, new federal major source, major modification or federal major modification. Rule 20.1 Tables 20.1-6b/6a/5b/5a for PM10: Major Stationary Source 100 ton/yr; Major Modification 15 ton/yr; Federal Major Stationary Source 100 ton/yr; Federal Major Modification significant increase 15 ton/yr. The rule does not state whether the basin is currently EPA-nonattainment for PM10.","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"},"r":{"text":"Rule 20.3 §(d)(5)(ii)(E): for any other EPA designated nonattainment air contaminant or precursor, the increase \"shall be offset at a ratio of 1.0 to 1.0.\" Separately, Rules 20.2 and 20.3 §(d)(2)(v) (AQIA waiver for PM10 impacts on state standards): if the project's PM10 impact is below 5 ug/m3 (24-hr) and 3 ug/m3 (annual), \"all of the project's PM10 emission increases, including area fugitive emissions of PM10, must be offset at a ratio of 1.5 to 1\"; impacts of 5 to <10 ug/m3 (24-hr) or 3 to <6 ug/m3 (annual) require PM10 BACT, offsets at an overall 1.5 to 1 with at least 1 to 1 inside the impact area, plus modeled offsets.","value":null,"conditions":"Applies only if the San Diego Air Basin is EPA-designated nonattainment for this pollutant (rule does not state current designation). The PM10 1.5:1 applies only when the APCO waives the PM10 AQIA (Rule 20.2/20.3 §(d)(2)(v)); it applies to non-major sources too.","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.2.pdf"},"q":{"text":"Rule 20.3 §(d)(5)(ii)(E): \"an emissions increase calculated pursuant to Rule 20.1, Subsections (d)(1) through (3)\" is offset.","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"}},"PM2.5":{"t":{"text":"Rule 20.3 §(d)(5): offsets required only \"for any air contaminant, or its precursor air contaminants, for which the San Diego Air Basin has been designated by EPA as nonattainment for the NAAQS\" where the increase constitutes a new major stationary source, new federal major source, major modification or federal major modification. Rule 20.1 Tables 20.1-6b/6a/5b/5a for PM2.5: Major Stationary Source 100 ton/yr; Major Modification 10 ton/yr; Federal Major Stationary Source 100 ton/yr; Federal Major Modification significant increase 10 ton/yr. The rule does not state whether the basin is currently EPA-nonattainment for PM2.5.","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"},"r":{"text":"Rule 20.3 §(d)(5)(ii)(E): for any other EPA designated nonattainment air contaminant or precursor, the increase \"shall be offset at a ratio of 1.0 to 1.0.\"","value":null,"conditions":"Applies only if the San Diego Air Basin is EPA-designated nonattainment for this pollutant (rule does not state current designation).","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},"q":{"text":"Rule 20.3 §(d)(5)(ii)(E): \"an emissions increase calculated pursuant to Rule 20.1, Subsections (d)(1) through (3)\" is offset.","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"}},"SOx":{"t":{"text":"Rule 20.3 §(d)(5): offsets required only \"for any air contaminant, or its precursor air contaminants, for which the San Diego Air Basin has been designated by EPA as nonattainment for the NAAQS\" where the increase constitutes a new major stationary source, new federal major source, major modification or federal major modification. Rule 20.1 Tables 20.1-6b/6a/5b/5a for SOx: Major Stationary Source 100 ton/yr; Major Modification 40 ton/yr; Federal Major Stationary Source 100 ton/yr; Federal Major Modification significant increase 40 ton/yr. The rule does not state whether the basin is currently EPA-nonattainment for SOx.","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"},"r":{"text":"Rule 20.3 §(d)(5)(ii)(E): for any other EPA designated nonattainment air contaminant or precursor, the increase \"shall be offset at a ratio of 1.0 to 1.0.\"","value":null,"conditions":"Applies only if the San Diego Air Basin is EPA-designated nonattainment for this pollutant (rule does not state current designation).","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},"q":{"text":"Rule 20.3 §(d)(5)(ii)(E): \"an emissions increase calculated pursuant to Rule 20.1, Subsections (d)(1) through (3)\" is offset.","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"}},"CO":{"t":{"text":"Rule 20.3 §(d)(5): offsets required only \"for any air contaminant, or its precursor air contaminants, for which the San Diego Air Basin has been designated by EPA as nonattainment for the NAAQS\" where the increase constitutes a new major stationary source, new federal major source, major modification or federal major modification. Rule 20.1 Tables 20.1-6b/6a/5b/5a for CO: Major Stationary Source 100 ton/yr; Major Modification 100 ton/yr; Federal Major Stationary Source 100 ton/yr; Federal Major Modification significant increase 100 ton/yr. The rule does not state whether the basin is currently EPA-nonattainment for CO.","value":null,"unit":"tons/yr","basis":"stationary source","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf ; https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.1.pdf"},"r":{"text":"Rule 20.3 §(d)(5)(ii)(E): for any other EPA designated nonattainment air contaminant or precursor, the increase \"shall be offset at a ratio of 1.0 to 1.0.\"","value":null,"conditions":"Applies only if the San Diego Air Basin is EPA-designated nonattainment for this pollutant (rule does not state current designation).","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"},"q":{"text":"Rule 20.3 §(d)(5)(ii)(E): \"an emissions increase calculated pursuant to Rule 20.1, Subsections (d)(1) through (3)\" is offset.","source":"https://www.sdapcd.org/content/dam/sdapcd/documents/rules/current-rules/Rule-20.3.pdf"}}}},"VCAPCD":{"rule":{"cite":"VCAPCD Rule 26.2 §B (definitions Rule 26.1; calculations Rule 26.6; exemptions Rule 26.3)","title":"Rule 26.2 - New Source Review - Requirements","date":"Adopted 10/22/91, Revised 2/13/96, 1/13/98, 5/14/02, 3/14/06 (Rule 26.1 last revised 2/14/2023; Rule 26.6 revised 3/14/06)","url":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"notes":"Fetched with a full browser user agent. Ventura applies very low offset thresholds (5 tpy ROC/NOx stationary-source PTE). Major Source = 25 tpy NOx or ROC (Rule 26.1 def. 18); Major Modification = federally significant contemporaneous net increase >=25 tpy ROC or NOx over 5 calendar years (Rule 26.1 def. 19, https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.1.pdf). Rule 26.6 §D.6: alternative unadjusted increase substitutes if it exceeds 25 tpy ROC/NOx.","exemptions":[{"text":"Rule 26.3 §A: exempt from Rule 26.2 - units newly requiring a permit due to a Rule 23 revision (if applied within one year); units on San Nicolas or Anacapa Island; relocations <=5 miles at small/medium sources with no emission increase; permit renewal or transfer of ownership.","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.3.pdf"},{"text":"Rule 26.2 §B.2: ERCs used must not be subject to reduction under Rules 26.4.D.1/26.4.D.2 during the expected duration of the increase; §B.4 quarterly profile check of ERCs vs. increase (Rule 26.6.F).","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"}],"p":{"NOx":{"t":{"text":"Rule 26.2 §B.1 Table B-1: NOx 5.0 ton/yr - offsets required for an emission increase \"where the potential to emit of the stationary source would be greater than or equal to\" the Table B-1 limit.","value":5,"unit":"tons/yr","basis":"stationary source","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"r":{"text":"Rule 26.2 §B.2.a: stationary source PTE >= Table B-2 (NOx 25.0 ton/yr): tradeoff ratio 1.3. §B.2.b: PTE < 25 ton/yr: 1.1. §B.2.d: new major source / major modification: 1.3. §B.3: essential public service applicants: 1.0.","value":null,"conditions":"1.1 if stationary source PTE < 25 tpy NOx; 1.3 if >= 25 tpy or major source/major modification; 1.0 for essential public service applicants under §B.3.","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"q":{"text":"Rule 26.2 §B.1: \"unless offsets are provided for any emission increases of such pollutants from the new, replaced, modified, or relocated emissions unit.\" Increases per Rule 26.6 §D (new unit = its PTE; modified/replacement = post-project PTE minus pre-project PTE, both BACT-adjusted; major modification = post-project PTE minus the greater of pre-project actual emissions or surplus ERCs previously used). §B.2.b.2: for a source with pre-project PTE < 5 tpy, increase A = B - (C x D) (post-project PTE minus years since initial permit, max 5, x 1 tpy/yr).","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf ; https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.6.pdf"}},"VOC":{"t":{"text":"District term: ROC (Reactive Organic Compounds). Rule 26.2 §B.1 Table B-1: ROC 5.0 ton/yr stationary source PTE.","value":5,"unit":"tons/yr","basis":"stationary source","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"r":{"text":"Rule 26.2 §B.2.a/b/d: 1.3 if stationary source PTE >= Table B-2 (ROC 25.0 ton/yr) or new major source/major modification; 1.1 if < 25 ton/yr; §B.3 essential public service: 1.0.","value":null,"conditions":"Same as NOx.","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"q":{"text":"Rule 26.2 §B.1: \"unless offsets are provided for any emission increases of such pollutants from the new, replaced, modified, or relocated emissions unit.\" Increases per Rule 26.6 §D (new unit = its PTE; modified/replacement = post-project PTE minus pre-project PTE, both BACT-adjusted; major modification = post-project PTE minus the greater of pre-project actual emissions or surplus ERCs previously used). §B.2.b.2 small-source formula A = B - (C x D) applies to ROC as for NOx.","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf ; https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.6.pdf"}},"PM10":{"t":{"text":"Rule 26.2 §B.1 Table B-1: PM10 15.0 ton/yr stationary source PTE.","value":15,"unit":"tons/yr","basis":"stationary source","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"r":{"text":"Rule 26.2 §B.2.c: \"Offsets for PM10 and SOx shall be provided at a tradeoff ratio of 1.1.\"","value":1.1,"conditions":"none stated","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"q":{"text":"Rule 26.2 §B.1: \"unless offsets are provided for any emission increases of such pollutants from the new, replaced, modified, or relocated emissions unit.\" Increases per Rule 26.6 §D (new unit = its PTE; modified/replacement = post-project PTE minus pre-project PTE, both BACT-adjusted; major modification = post-project PTE minus the greater of pre-project actual emissions or surplus ERCs previously used).","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf ; https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.6.pdf"}},"PM2.5":{"t":{"text":"PM2.5 is not listed in Rule 26.2 Table B-1 (offset pollutants are ROC, NOx, PM10 and SOx only); PM2.5 is not mentioned in Rule 26.2.","value":null,"unit":null,"basis":null,"source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"not stated in the rule","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"q":{"text":"No offset requirement for PM2.5 in Rule 26.2.","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"}},"SOx":{"t":{"text":"Rule 26.2 §B.1 Table B-1: SOx 15.0 ton/yr stationary source PTE.","value":15,"unit":"tons/yr","basis":"stationary source","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"r":{"text":"Rule 26.2 §B.2.c: tradeoff ratio of 1.1.","value":1.1,"conditions":"none stated","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"q":{"text":"Rule 26.2 §B.1: \"unless offsets are provided for any emission increases of such pollutants from the new, replaced, modified, or relocated emissions unit.\" Increases per Rule 26.6 §D (new unit = its PTE; modified/replacement = post-project PTE minus pre-project PTE, both BACT-adjusted; major modification = post-project PTE minus the greater of pre-project actual emissions or surplus ERCs previously used).","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf ; https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.6.pdf"}},"CO":{"t":{"text":"CO (carbon monoxide) is not listed in Rule 26.2 Table B-1 (offset pollutants are ROC, NOx, PM10 and SOx only); CO (carbon monoxide) is not mentioned in Rule 26.2.","value":null,"unit":null,"basis":null,"source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"not stated in the rule","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"},"q":{"text":"No offset requirement for CO (carbon monoxide) in Rule 26.2.","source":"https://www.vcapcd.org/Rulebook/Reg2/RULE%2026.2.pdf"}}}},"SBCAPCD":{"rule":{"cite":"SBCAPCD Rule 802 §E (thresholds) and Rule 804 (offsets); definitions Rule 801","title":"Rule 802 New Source Review; Rule 804 Offsets","date":"Rules 801, 802, 804: Adopted 4/17/1997, revised 8/25/2016","url":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},"notes":"Table 3 values verified against PDF text positions (pounds/day column vs tons/year column). Unlike §D.1 and §F.1, §E does not say that PTE means the project's PTE for modified sources; the threshold text refers to the new or modified stationary source's PTE, while the quantity is the project's PTE. Which pollutants are nonattainment (25 tpy) vs attainment (240 lb/day) is not stated in Regulation VIII; 'nonattainment pollutant' is not defined in Rule 801.","exemptions":[{"text":"Rule 802 §B.2: Control Officer may exempt functionally equivalent equipment replacements from offsets (no PTE increase, BACT applied, no debottlenecking); tracked in an annual report (§I.5).","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},{"text":"Rule 802 §B.3: projects meeting H&SC 42301.2 or 42301.13 are exempt from offsets; §B.4: emergency standby generator, flood control and firewater pump piston IC engines are exempt from offsets; §B.1: existing sources needing a permit solely due to a change in permit exemptions.","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},{"text":"Rule 804 §D.3-D.4: no halogenated hydrocarbons/exempt compounds as ROC offsets; no shift-in-load reductions; no reductions from gas stations, dry cleaners, body shops or other inelastic-demand businesses.","source":"https://www.ourair.org/wp-content/uploads/Rule804.pdf"}],"p":{"NOx":{"t":{"text":"Rule 802 §E Table 3 (Offset Thresholds): \"Nonattainment pollutants and precursors (except carbon monoxide and PM2.5)\" 25 tons/year; \"Attainment pollutants and precursors (except carbon monoxide and PM2.5)\" 240 pounds/day. Applies to a \"new or modified stationary source with a potential to emit ... equal to or greater than\" the threshold. The rule does not state whether this pollutant is currently nonattainment.","value":null,"unit":null,"basis":"stationary source","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},"r":{"text":"Rule 804 §D.8: reductions at the same stationary source \"offset ratio of 1.1 to 1\"; §D.9: not at the same stationary source \"1.3 to 1\"; §D.10: reductions from Ventura or San Luis Obispo County (H&SC 40709.6) minimum \"1.5 to 1\" (higher case-by-case).","value":null,"conditions":"1.1 same stationary source; 1.3 other sources; >=1.5 from Ventura/SLO County. §D.5 inter-pollutant offsets case-by-case at ratios >= those in the rule.","source":"https://www.ourair.org/wp-content/uploads/Rule804.pdf"},"q":{"text":"Rule 802 §E: applicant \"shall mitigate the project's potential to emit by providing Emission Reduction Credits\"; Rule 804 §D.1: reductions \"sufficient to offset the annual potential to emit of the project\" at the §D.8-D.10 ratios. (Rule 801 defines Project as the emission unit(s) applied for, including applications within 12 months after PTO issuance.)","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf ; https://www.ourair.org/wp-content/uploads/Rule804.pdf"}},"VOC":{"t":{"text":"District term: ROC (Reactive Organic Compounds). Rule 802 §E Table 3 (Offset Thresholds): \"Nonattainment pollutants and precursors (except carbon monoxide and PM2.5)\" 25 tons/year; \"Attainment pollutants and precursors (except carbon monoxide and PM2.5)\" 240 pounds/day. Applies to a \"new or modified stationary source with a potential to emit ... equal to or greater than\" the threshold. The rule does not state whether this pollutant is currently nonattainment.","value":null,"unit":null,"basis":"stationary source","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},"r":{"text":"Rule 804 §D.8: reductions at the same stationary source \"offset ratio of 1.1 to 1\"; §D.9: not at the same stationary source \"1.3 to 1\"; §D.10: reductions from Ventura or San Luis Obispo County (H&SC 40709.6) minimum \"1.5 to 1\" (higher case-by-case).","value":null,"conditions":"1.1 same stationary source; 1.3 other sources; >=1.5 from Ventura/SLO County. §D.5 inter-pollutant offsets case-by-case at ratios >= those in the rule.","source":"https://www.ourair.org/wp-content/uploads/Rule804.pdf"},"q":{"text":"Rule 802 §E: applicant \"shall mitigate the project's potential to emit by providing Emission Reduction Credits\"; Rule 804 §D.1: reductions \"sufficient to offset the annual potential to emit of the project\" at the §D.8-D.10 ratios. (Rule 801 defines Project as the emission unit(s) applied for, including applications within 12 months after PTO issuance.)","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf ; https://www.ourair.org/wp-content/uploads/Rule804.pdf"}},"PM10":{"t":{"text":"Rule 802 §E Table 3 (Offset Thresholds): \"Nonattainment pollutants and precursors (except carbon monoxide and PM2.5)\" 25 tons/year; \"Attainment pollutants and precursors (except carbon monoxide and PM2.5)\" 240 pounds/day. Applies to a \"new or modified stationary source with a potential to emit ... equal to or greater than\" the threshold. The rule does not state whether this pollutant is currently nonattainment.","value":null,"unit":null,"basis":"stationary source","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},"r":{"text":"Rule 804 §D.8: reductions at the same stationary source \"offset ratio of 1.1 to 1\"; §D.9: not at the same stationary source \"1.3 to 1\"; §D.10: reductions from Ventura or San Luis Obispo County (H&SC 40709.6) minimum \"1.5 to 1\" (higher case-by-case).","value":null,"conditions":"1.1 same stationary source; 1.3 other sources; >=1.5 from Ventura/SLO County. §D.5 inter-pollutant offsets case-by-case at ratios >= those in the rule.","source":"https://www.ourair.org/wp-content/uploads/Rule804.pdf"},"q":{"text":"Rule 802 §E: applicant \"shall mitigate the project's potential to emit by providing Emission Reduction Credits\"; Rule 804 §D.1: reductions \"sufficient to offset the annual potential to emit of the project\" at the §D.8-D.10 ratios. (Rule 801 defines Project as the emission unit(s) applied for, including applications within 12 months after PTO issuance.)","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf ; https://www.ourair.org/wp-content/uploads/Rule804.pdf"}},"PM2.5":{"t":{"text":"Rule 802 Table 3 lists no PM2.5 offset threshold: both the nonattainment (25 tons/year) and attainment (240 lb/day) rows read \"(except carbon monoxide and PM2.5)\". No offset threshold for PM2.5 is stated.","value":null,"unit":null,"basis":null,"source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"not stated in the rule","source":"https://www.ourair.org/wp-content/uploads/Rule804.pdf"},"q":{"text":"No PM2.5 offset requirement stated (PM2.5 excluded from Table 3).","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"}},"SOx":{"t":{"text":"Rule 802 §E Table 3 (Offset Thresholds): \"Nonattainment pollutants and precursors (except carbon monoxide and PM2.5)\" 25 tons/year; \"Attainment pollutants and precursors (except carbon monoxide and PM2.5)\" 240 pounds/day. Applies to a \"new or modified stationary source with a potential to emit ... equal to or greater than\" the threshold. The rule does not state whether this pollutant is currently nonattainment.","value":null,"unit":null,"basis":"stationary source","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},"r":{"text":"Rule 804 §D.8: reductions at the same stationary source \"offset ratio of 1.1 to 1\"; §D.9: not at the same stationary source \"1.3 to 1\"; §D.10: reductions from Ventura or San Luis Obispo County (H&SC 40709.6) minimum \"1.5 to 1\" (higher case-by-case).","value":null,"conditions":"1.1 same stationary source; 1.3 other sources; >=1.5 from Ventura/SLO County. §D.5 inter-pollutant offsets case-by-case at ratios >= those in the rule.","source":"https://www.ourair.org/wp-content/uploads/Rule804.pdf"},"q":{"text":"Rule 802 §E: applicant \"shall mitigate the project's potential to emit by providing Emission Reduction Credits\"; Rule 804 §D.1: reductions \"sufficient to offset the annual potential to emit of the project\" at the §D.8-D.10 ratios. (Rule 801 defines Project as the emission unit(s) applied for, including applications within 12 months after PTO issuance.)","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf ; https://www.ourair.org/wp-content/uploads/Rule804.pdf"}},"CO":{"t":{"text":"Rule 802 Table 3: \"Carbon Monoxide – if designated nonattainment\" 150 pounds/day and 25 tons/year. No CO offset threshold is listed when CO is attainment.","value":null,"unit":null,"basis":"stationary source","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf"},"r":{"text":"Rule 804 §D.8: reductions at the same stationary source \"offset ratio of 1.1 to 1\"; §D.9: not at the same stationary source \"1.3 to 1\"; §D.10: reductions from Ventura or San Luis Obispo County (H&SC 40709.6) minimum \"1.5 to 1\" (higher case-by-case).","value":null,"conditions":"1.1 same stationary source; 1.3 other sources; >=1.5 from Ventura/SLO County. §D.5 inter-pollutant offsets case-by-case at ratios >= those in the rule.","source":"https://www.ourair.org/wp-content/uploads/Rule804.pdf"},"q":{"text":"Rule 802 §E: applicant \"shall mitigate the project's potential to emit by providing Emission Reduction Credits\"; Rule 804 §D.1: reductions \"sufficient to offset the annual potential to emit of the project\" at the §D.8-D.10 ratios. (Rule 801 defines Project as the emission unit(s) applied for, including applications within 12 months after PTO issuance.)","source":"https://www.ourair.org/wp-content/uploads/Rule802.pdf ; https://www.ourair.org/wp-content/uploads/Rule804.pdf"}}}},"EKAPCD":{"rule":{"cite":"EKAPCD Rule 210.1 §III.B and §IV.D-F (major sources also Rule 210.1A)","title":"Rule 210.1 New and Modified Stationary Source Review (NSR)","date":"Adopted 3/19/74; last amendment listed on rule 5/4/00. Rule 210.1A adopted 1/11/18, rescinded 3/5/20, adopted 8/4/22","url":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"notes":"kernair.org responded only over plain http (https timed out). Thresholds apply only in EPA/CARB-designated nonattainment areas for that pollutant (rule does not state current designations). Rule 210.1A (major NSR) separately requires offsets for significant net increases at major stationary sources: a new major source offsets the sum of PTE of all units; a major modification offsets allowable-after minus actual-before, per unit; ratios per Table 1.","exemptions":[{"text":"Rule 210.1 §III.B.2: no offsets for emergency equipment <=200 hr/yr; relocated units operated <=45 days at one location in 12 months; transfer of an existing source within the District (conditions); compliance-only installations/modifications with no PTE increase; administrative permit changes. §III.B.2.f: no exemption for increases interfering with the latest Air Quality Attainment Plan.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},{"text":"Rule 210.1 §III.B.6.c: interpollutant offsets need CARB and EPA written concurrence; PM10 may not offset NOx or VOC; Rule 102 exempt compounds may not offset VOC.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"}],"p":{"NOx":{"t":{"text":"Rule 210.1 §III.B.3.a (applies \"in U.S. EPA and/or CARB designated PM10, SOx, NOx, or Ozone nonattainment areas\"): NOx (as NO2) 25 tons/yr; stationary source potential to emit (SSPE) per §IV.E.","value":25,"unit":"tons/yr","basis":"stationary source","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"r":{"text":"Rule 210.1 §III.B.5: From mobile sources within District 1.0 to 1.0; Within Mojave Desert Air Basin 1.2 to 1.0; From another air basin: that necessary to provide \"Reasonable Further Progress,\" but not less than 1.2 to 1.0. \"If interpollutant offsets are utilized, appropriate additional ratios apply.\"","value":null,"conditions":"Location-based; no separate on-site/same-source ratio is listed. Rule 210.1A (major sources) Table 1 (increase:reduction): Marginal ozone NOx/VOC 1.0 to 1.1; Moderate 1.0 to 1.15; Serious 1.0 to 1.2; Severe 1.0 to 1.3; PM10 nonattainment area (PM10, SO2, NOx, VOC) 1.0 to 1.0.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf ; http://www.kernair.org/Rule%20Book/2%20Permits/210_1A_Major_New_and_Modified_Stationary_Source_Review_(MNSR).pdf"},"q":{"text":"Rule 210.1 §III.B.3.a: a NOx/VOC source \"shall provide offsets for the source's potential to emit\" once SSPE equals or exceeds the trigger; §IV.F.1: \"Offset = SSPE x Offset Ratio\"; thereafter any additional increase is offset (§IV.F.3). If triggered by a District rule change, the lesser of IPE x ratio or (SSPE - trigger) x ratio (§IV.F.2).","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"}},"VOC":{"t":{"text":"Rule 210.1 §III.B.3.a (applies \"in U.S. EPA and/or CARB designated PM10, SOx, NOx, or Ozone nonattainment areas\"): VOC 25 tons/yr; stationary source potential to emit (SSPE) per §IV.E.","value":25,"unit":"tons/yr","basis":"stationary source","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"r":{"text":"Rule 210.1 §III.B.5: From mobile sources within District 1.0 to 1.0; Within Mojave Desert Air Basin 1.2 to 1.0; From another air basin: that necessary to provide \"Reasonable Further Progress,\" but not less than 1.2 to 1.0. \"If interpollutant offsets are utilized, appropriate additional ratios apply.\"","value":null,"conditions":"Location-based; no separate on-site/same-source ratio is listed. Rule 210.1A (major sources) Table 1 (increase:reduction): Marginal ozone NOx/VOC 1.0 to 1.1; Moderate 1.0 to 1.15; Serious 1.0 to 1.2; Severe 1.0 to 1.3; PM10 nonattainment area (PM10, SO2, NOx, VOC) 1.0 to 1.0.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf ; http://www.kernair.org/Rule%20Book/2%20Permits/210_1A_Major_New_and_Modified_Stationary_Source_Review_(MNSR).pdf"},"q":{"text":"Rule 210.1 §III.B.3.a: a NOx/VOC source \"shall provide offsets for the source's potential to emit\" once SSPE equals or exceeds the trigger; §IV.F.1: \"Offset = SSPE x Offset Ratio\"; thereafter any additional increase is offset (§IV.F.3). If triggered by a District rule change, the lesser of IPE x ratio or (SSPE - trigger) x ratio (§IV.F.2).","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"}},"PM10":{"t":{"text":"Rule 210.1 §III.B.3.a (applies \"in U.S. EPA and/or CARB designated PM10, SOx, NOx, or Ozone nonattainment areas\"): PM10 15 tons/yr; measured as the stationary source NSR balance per §IV.D.","value":15,"unit":"tons/yr","basis":"stationary source","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"r":{"text":"Rule 210.1 §III.B.5: From mobile sources within District 1.0 to 1.0; Within Mojave Desert Air Basin 1.2 to 1.0; From another air basin: that necessary to provide \"Reasonable Further Progress,\" but not less than 1.2 to 1.0. \"If interpollutant offsets are utilized, appropriate additional ratios apply.\"","value":null,"conditions":"Location-based; no separate on-site/same-source ratio is listed. Rule 210.1A (major sources) Table 1 (increase:reduction): Marginal ozone NOx/VOC 1.0 to 1.1; Moderate 1.0 to 1.15; Serious 1.0 to 1.2; Severe 1.0 to 1.3; PM10 nonattainment area (PM10, SO2, NOx, VOC) 1.0 to 1.0.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf ; http://www.kernair.org/Rule%20Book/2%20Permits/210_1A_Major_New_and_Modified_Stationary_Source_Review_(MNSR).pdf"},"q":{"text":"Rule 210.1 §III.B.3.a: a PM10/SOx source \"shall provide offsets for the NSR balance\" once it equals or exceeds the trigger; §IV.F.1: \"Offset = NSR Balance x Offset Ratio\"; after the NSR balance is fully offset, \"any additional future increase shall be offset\" (§IV.F.3: Increase in Permitted Emissions x Offset Ratio). §III.B.4: cargo carrier and secondary emissions also offset.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"}},"PM2.5":{"t":{"text":"PM2.5 is not mentioned in Rule 210.1 §III.B (offset pollutants are PM10, SOx, NOx and VOC only).","value":null,"unit":null,"basis":null,"source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"not stated in the rule","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"q":{"text":"No offset requirement for PM2.5 stated in Rule 210.1.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"}},"SOx":{"t":{"text":"Rule 210.1 §III.B.3.a (applies \"in U.S. EPA and/or CARB designated PM10, SOx, NOx, or Ozone nonattainment areas\"): SOx (as SO2) 27 tons/yr; measured as the stationary source NSR balance per §IV.D.","value":27,"unit":"tons/yr","basis":"stationary source","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"r":{"text":"Rule 210.1 §III.B.5: From mobile sources within District 1.0 to 1.0; Within Mojave Desert Air Basin 1.2 to 1.0; From another air basin: that necessary to provide \"Reasonable Further Progress,\" but not less than 1.2 to 1.0. \"If interpollutant offsets are utilized, appropriate additional ratios apply.\"","value":null,"conditions":"Location-based; no separate on-site/same-source ratio is listed. Rule 210.1A (major sources) Table 1 (increase:reduction): Marginal ozone NOx/VOC 1.0 to 1.1; Moderate 1.0 to 1.15; Serious 1.0 to 1.2; Severe 1.0 to 1.3; PM10 nonattainment area (PM10, SO2, NOx, VOC) 1.0 to 1.0.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf ; http://www.kernair.org/Rule%20Book/2%20Permits/210_1A_Major_New_and_Modified_Stationary_Source_Review_(MNSR).pdf"},"q":{"text":"Rule 210.1 §III.B.3.a: a PM10/SOx source \"shall provide offsets for the NSR balance\" once it equals or exceeds the trigger; §IV.F.1: \"Offset = NSR Balance x Offset Ratio\"; after the NSR balance is fully offset, \"any additional future increase shall be offset\" (§IV.F.3: Increase in Permitted Emissions x Offset Ratio). §III.B.4: cargo carrier and secondary emissions also offset.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"}},"CO":{"t":{"text":"CO (carbon monoxide) is not mentioned in Rule 210.1 §III.B (offset pollutants are PM10, SOx, NOx and VOC only).","value":null,"unit":null,"basis":null,"source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"r":{"text":"not stated in the rule","value":null,"conditions":"not stated in the rule","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"},"q":{"text":"No offset requirement for CO (carbon monoxide) stated in Rule 210.1.","source":"http://www.kernair.org/Rule%20Book/2%20Permits/210-1%20New_&_Modified_Stationary_Source_Review.pdf"}}}},"NCUAQMD":{"rule":{"cite":"NCUAQMD Regulation I, Rule 110 §E.2-E.4","title":"Rule 110 - New Source Review (NSR) and Prevention of Significant Deterioration (PSD)","date":"First adopted 1982; current version adopted by Resolution 2015-9 on July 9, 2015","url":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"notes":"Offsets apply only to non-attainment pollutants; the rule does not state which pollutants are currently non-attainment in the North Coast. Increases are calculated per calendar quarter (§F.3) while the trigger is 25 tons per year.","exemptions":[{"text":"Rule 110 §J.1: NSR not required for temporary stationary sources operating less than 90 days, provided BACT is applied and the SIP control strategy is not affected.","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},{"text":"Rule 110 §E.2.c: CO increases exempt from offsets with an impact analysis showing no ambient standard violation.","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},{"text":"Rule 110 §A.2: no-net-increase purpose (H&SC 40918) for sources >=25 tpy of any non-attainment pollutant is noted as not included in the federal SIP submittal.","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"}],"p":{"NOx":{"t":{"text":"Rule 110 §E.2.a: offsets required for a stationary source with PTE of \"non-attainment pollutants or their precursors equal to or exceeding 25 tons per year\" (PTE per §F.5). Applies only to non-attainment pollutants (§D.19: designated non-attainment by EPA under 40 CFR 81.305 or by CARB under H&SC 39607); the rule does not list current designations.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"r":{"text":"Rule 110 §E.3.a: on-site 1:1; within 20 miles 1.2:1; 20 to 50 miles 1.5:1; over 50 miles 2:1. \"Use of offsite offsets must result in a net air quality benefit.\" §E.4: inter-pollutant offsets case-by-case with EPA approval; APCO may impose greater ratios.","value":null,"conditions":"Distance-based from the proposed stationary source; out-of-district offsets require H&SC 40709.6, EPA approval and an MOU (§E.3.b).","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"q":{"text":"Rule 110 §E.2.a (new source): \"at least equal to that portion of the potential to emit which exceeds 25 tons per year\"; §E.2.b.i (existing source <25 tpy as of January 12, 1993): offset the portion of post-modification PTE exceeding 25 tpy, then \"all future increases from new or modified emissions units shall be offset\"; §E.2.b.ii (existing source >=25 tpy as of January 12, 1993): \"offset any increases in potential to emit\". §E.2: offsets sufficient to offset \"calendar quarter emission increases\".","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"}},"VOC":{"t":{"text":"District term: ROC (Reactive Organic Compound / ROG). Rule 110 §E.2.a: offsets required for a stationary source with PTE of \"non-attainment pollutants or their precursors equal to or exceeding 25 tons per year\" (PTE per §F.5). Applies only to non-attainment pollutants (§D.19: designated non-attainment by EPA under 40 CFR 81.305 or by CARB under H&SC 39607); the rule does not list current designations.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"r":{"text":"Rule 110 §E.3.a: on-site 1:1; within 20 miles 1.2:1; 20 to 50 miles 1.5:1; over 50 miles 2:1. \"Use of offsite offsets must result in a net air quality benefit.\" §E.4: inter-pollutant offsets case-by-case with EPA approval; APCO may impose greater ratios.","value":null,"conditions":"Distance-based from the proposed stationary source; out-of-district offsets require H&SC 40709.6, EPA approval and an MOU (§E.3.b).","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"q":{"text":"Rule 110 §E.2.a (new source): \"at least equal to that portion of the potential to emit which exceeds 25 tons per year\"; §E.2.b.i (existing source <25 tpy as of January 12, 1993): offset the portion of post-modification PTE exceeding 25 tpy, then \"all future increases from new or modified emissions units shall be offset\"; §E.2.b.ii (existing source >=25 tpy as of January 12, 1993): \"offset any increases in potential to emit\". §E.2: offsets sufficient to offset \"calendar quarter emission increases\".","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"}},"PM10":{"t":{"text":"Rule 110 §E.2.a: offsets required for a stationary source with PTE of \"non-attainment pollutants or their precursors equal to or exceeding 25 tons per year\" (PTE per §F.5). Applies only to non-attainment pollutants (§D.19: designated non-attainment by EPA under 40 CFR 81.305 or by CARB under H&SC 39607); the rule does not list current designations.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"r":{"text":"Rule 110 §E.3.a: on-site 1:1; within 20 miles 1.2:1; 20 to 50 miles 1.5:1; over 50 miles 2:1. \"Use of offsite offsets must result in a net air quality benefit.\" §E.4: inter-pollutant offsets case-by-case with EPA approval; APCO may impose greater ratios.","value":null,"conditions":"Distance-based from the proposed stationary source; out-of-district offsets require H&SC 40709.6, EPA approval and an MOU (§E.3.b).","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"q":{"text":"Rule 110 §E.2.a (new source): \"at least equal to that portion of the potential to emit which exceeds 25 tons per year\"; §E.2.b.i (existing source <25 tpy as of January 12, 1993): offset the portion of post-modification PTE exceeding 25 tpy, then \"all future increases from new or modified emissions units shall be offset\"; §E.2.b.ii (existing source >=25 tpy as of January 12, 1993): \"offset any increases in potential to emit\". §E.2: offsets sufficient to offset \"calendar quarter emission increases\".","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"}},"PM2.5":{"t":{"text":"PM2.5 is an NSR Regulated Pollutant (§D.20) with NOx/SOx listed as PM2.5 precursors (§D.24); the offset trigger is the general non-attainment-pollutant rule. Rule 110 §E.2.a: offsets required for a stationary source with PTE of \"non-attainment pollutants or their precursors equal to or exceeding 25 tons per year\" (PTE per §F.5). Applies only to non-attainment pollutants (§D.19: designated non-attainment by EPA under 40 CFR 81.305 or by CARB under H&SC 39607); the rule does not list current designations.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"r":{"text":"Rule 110 §E.3.a: on-site 1:1; within 20 miles 1.2:1; 20 to 50 miles 1.5:1; over 50 miles 2:1. \"Use of offsite offsets must result in a net air quality benefit.\" §E.4: inter-pollutant offsets case-by-case with EPA approval; APCO may impose greater ratios.","value":null,"conditions":"Distance-based from the proposed stationary source; out-of-district offsets require H&SC 40709.6, EPA approval and an MOU (§E.3.b).","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"q":{"text":"Rule 110 §E.2.a (new source): \"at least equal to that portion of the potential to emit which exceeds 25 tons per year\"; §E.2.b.i (existing source <25 tpy as of January 12, 1993): offset the portion of post-modification PTE exceeding 25 tpy, then \"all future increases from new or modified emissions units shall be offset\"; §E.2.b.ii (existing source >=25 tpy as of January 12, 1993): \"offset any increases in potential to emit\". §E.2: offsets sufficient to offset \"calendar quarter emission increases\".","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"}},"SOx":{"t":{"text":"Rule 110 §E.2.a: offsets required for a stationary source with PTE of \"non-attainment pollutants or their precursors equal to or exceeding 25 tons per year\" (PTE per §F.5). Applies only to non-attainment pollutants (§D.19: designated non-attainment by EPA under 40 CFR 81.305 or by CARB under H&SC 39607); the rule does not list current designations.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"r":{"text":"Rule 110 §E.3.a: on-site 1:1; within 20 miles 1.2:1; 20 to 50 miles 1.5:1; over 50 miles 2:1. \"Use of offsite offsets must result in a net air quality benefit.\" §E.4: inter-pollutant offsets case-by-case with EPA approval; APCO may impose greater ratios.","value":null,"conditions":"Distance-based from the proposed stationary source; out-of-district offsets require H&SC 40709.6, EPA approval and an MOU (§E.3.b).","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"q":{"text":"Rule 110 §E.2.a (new source): \"at least equal to that portion of the potential to emit which exceeds 25 tons per year\"; §E.2.b.i (existing source <25 tpy as of January 12, 1993): offset the portion of post-modification PTE exceeding 25 tpy, then \"all future increases from new or modified emissions units shall be offset\"; §E.2.b.ii (existing source >=25 tpy as of January 12, 1993): \"offset any increases in potential to emit\". §E.2: offsets sufficient to offset \"calendar quarter emission increases\".","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"}},"CO":{"t":{"text":"CO: §E.2.c - \"Offsets shall not be required for increases in carbon monoxide if the applicant demonstrates ... through an impact analysis, that the ambient air quality standards are not violated\" and no NAAQS violation is caused. Rule 110 §E.2.a: offsets required for a stationary source with PTE of \"non-attainment pollutants or their precursors equal to or exceeding 25 tons per year\" (PTE per §F.5). Applies only to non-attainment pollutants (§D.19: designated non-attainment by EPA under 40 CFR 81.305 or by CARB under H&SC 39607); the rule does not list current designations.","value":25,"unit":"tons/yr","basis":"stationary source","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"r":{"text":"Rule 110 §E.3.a: on-site 1:1; within 20 miles 1.2:1; 20 to 50 miles 1.5:1; over 50 miles 2:1. \"Use of offsite offsets must result in a net air quality benefit.\" §E.4: inter-pollutant offsets case-by-case with EPA approval; APCO may impose greater ratios.","value":null,"conditions":"Distance-based from the proposed stationary source; out-of-district offsets require H&SC 40709.6, EPA approval and an MOU (§E.3.b).","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"},"q":{"text":"Rule 110 §E.2.a (new source): \"at least equal to that portion of the potential to emit which exceeds 25 tons per year\"; §E.2.b.i (existing source <25 tpy as of January 12, 1993): offset the portion of post-modification PTE exceeding 25 tpy, then \"all future increases from new or modified emissions units shall be offset\"; §E.2.b.ii (existing source >=25 tpy as of January 12, 1993): \"offset any increases in potential to emit\". §E.2: offsets sufficient to offset \"calendar quarter emission increases\".","source":"https://www.ncuaqmd.org/files/397b4b794/Rule+110.pdf"}}}}}}