EPA Air · stack tests by county and year
Air-emissions stack tests in Contra Costa County, California, 2021
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Contra Costa County, California during 2021. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Contra Costa County facility page.
Contra Costa County, California, 2021
Air-emissions stack tests in Contra Costa County, other years
Air-emissions stack tests recorded in Contra Costa County, California, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-08-03 | WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file | Pass | Local |
| 2021-03-24 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | Pass | Local |
| 2021-03-11 | C & H SUGAR COMPANY, INC — high-priority violation on file | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.