19 recorded sales, from the district's own records.
In 2005 the district's own transaction records list 19 priced ERC sales in Yolo-Solano AQMD. NOx: 5 recorded sales at a median of $22,000 per ton ($22,000–$24,200); ROG / VOC: 5 recorded sales at a median of $22,000 per ton ($22,000–$23,000); PM10: 4 recorded sales at a median of $22,000 per ton; SOx: 4 recorded sales at a median of $7,500 per ton; CO: 1 recorded sale at a median of $750 per ton. Prices are per ton as the district recorded them.
| Pollutant | Median $/t | Range | n | Source |
|---|---|---|---|---|
| NOx | $22,000 | $22,000–$24,200 | 5 | District records |
| ROG / VOC | $22,000 | $22,000–$23,000 | 5 | District records |
| PM10 | $22,000 | $22,000–$22,000 | 4 | District records |
| SOx | $7,500 | $7,500–$7,500 | 4 | District records |
| CO | $750 | $750–$750 | 1 | District records |
Each line runs from the lowest to the highest recorded price that year; the dot is the median.
Each line runs from the lowest to the highest recorded price that year; the dot is the median.
Each line runs from the lowest to the highest recorded price that year; the dot is the median.
Each line runs from the lowest to the highest recorded price that year; the dot is the median.
Each line runs from the lowest to the highest recorded price that year; the dot is the median; the scale is logarithmic because prices span more than a hundredfold.
| Date | Pollutant | Amount | $/t | Certificate |
|---|---|---|---|---|
| 2005-04-14 | NOx | 7.52 tons | $22,000 | EC-0251 |
| 2005-04-14 | NOx | 3.94 tons | $22,000 | EC-0252 |
| 2005-04-14 | NOx | 1.27 tons | $22,000 | EC-0253 |
| 2005-06-28 | VOC | 0.59 tons | $22,000 | EC-0260 |
| 2005-06-28 | VOC | 0.19 tons | $22,000 | EC-0261 |
| 2005-06-28 | VOC | 1.21 tons | $22,000 | EC-0262 |
| 2005-06-28 | VOC | 6.58 tons | $22,000 | EC-0263 |
| 2005-06-28 | NOx | 3 tons | $22,000 | EC-0263 |
| 2005-06-28 | SOx | 0.13 tons | $7,500 | EC-0254 |
| 2005-06-28 | SOx | 0.04 tons | $7,500 | EC-0255 |
| 2005-06-28 | SOx | 0.21 tons | $7,500 | EC-0256 |
| 2005-06-28 | SOx | 0.6 tons | $7,500 | EC-0258 |
| 2005-06-28 | PM10 | 1.05 tons | $22,000 | EC-0254 |
| 2005-06-28 | PM10 | 0.65 tons | $22,000 | EC-0255 |
| 2005-06-28 | PM10 | 0.24 tons | $22,000 | EC-0257 |
| 2005-06-28 | PM10 | 5.66 tons | $22,000 | EC-0259 |
| 2005-10-12 | CO | 402.57 tons | $750 | EC-0273 |
| 2005-12-28 | VOC | 3.42 tons | $23,000 | EC-0295 |
| 2005-12-28 | NOx | 1.27 tons | $24,200 | EC-0277 |
Source: YSAQMD ERC Transactions (printed 19-May-25). Every row, with its source, is in the transaction download. 2004 · 2006