4 certificates (1575 … 1641) · Site: Antioch, San Leandro, Santa Clara
NOx 0.6 t/yr, ROG / VOC 0.04 t/yr, PM10 0.45 t/yr, SOx 0.47 t/yr
Home / District guides / Bay Area AQMD / GEM Mobile Treatment Services Inc
| Holder of record | GEM Mobile Treatment Services Inc | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Certificates | 4 certificates (1575 … 1641) | ||||||||||
| Source of reductions | Site: Antioch, San Leandro, Santa Clara | ||||||||||
| Air district | Bay Area AQMD | ||||||||||
| Pollutants banked |
| ||||||||||
| Register source | ERC Bank Status database (baaqmd.gov), retrieved 2026-10-03 · district registry page | ||||||||||
| Status | Banked — not listed |
| Certificate | Issued | Pollutant | Amount (t/yr) |
|---|---|---|---|
| 1575 | 2016-11-08 | SO2 | 0.19 |
| 1639 | 2017-11-28 | SO2 PM10 | 0.28 0.45 |
| 1640 | 2017-11-28 | POC | 0.04 |
| 1641 | 2017-11-28 | NOx | 0.6 |
Source: ERC Bank Status database (baaqmd.gov), retrieved 2026-10-03 — Bay Area AQMD, retrieved 2026-10-03.
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Prices per ton recorded by the district under Health & Safety Code §40709.5:
| Pollutant | Year | Median $/t | Range | Trades* |
|---|---|---|---|---|
| NOx | 2023 CARB | $29,000 | $23,236– | 7 |
| NOx | 2022 CARB | $22,000 | $7,974– | 21 |
| ROG / VOC | 2022 CARB | $9,125 | $8,500– | 21 |
| PM10 | 2022 CARB | $20,000 | $20,000 | 21 |
| SOx | 2022 CARB | $10,026 | $51– | 21 |
*For the CARB reports, every recorded transfer in the district that year, all pollutants. Recent years shown; every recorded year. Sources: CARB 2023 §40709.5 statewide report · CARB 2022 §40709.5 statewide report.
Arithmetic only — the recorded volume multiplied by the Bay Area median price recorded for each pollutant in 2022–2023, shown as a range because the medians moved between years. Not an appraisal, an offer, or a prediction; actual bids depend on the buyer's permit deadline, the lot size, how many trades the median rests on, and what else is available in the district.
| Pollutant | Volume | × recorded median | Reference |
|---|---|---|---|
| NOx | 0.6 t | $22,000– | $13,200– |
| ROG / VOC | 0.04 t | $9,125/t | $365 |
| PM10 | 0.45 t | $20,000/t | $9,000 |
| SOx | 0.47 t | $10,026/t | $4,712 |
| All pollutants with a recorded Bay Area price | $27,277– | ||
The buyer and holder agree a price privately. The transfer package — the holder's authorization, the purchase agreement, and the district's transfer forms — goes to Bay Area AQMD, which verifies the banked reductions, records the transfer, and re-issues the certificate (or the remaining balance) in the buyer's name. Credits are generally usable only inside Bay Area AQMD, or its air basin with district board approval under Health & Safety Code §40709.6. District office: (415) 749-5000. District ERC program page.
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