EPA Air · stack tests by county and year
Air-emissions stack tests in Alameda 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 Alameda 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 Alameda County facility page.
Alameda County, California, 2021
Air-emissions stack tests in Alameda County, other years
Air-emissions stack tests recorded in Alameda County, California, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-07-21 | US PIPE & FOUNDRY CO | Pass | Local |
| 2021-07-13 | EAST BAY MUNICIPAL UTILITY DISTRICT — high-priority violation on file | Pass | Local |
| 2021-04-27 | MISSION VALLEY ROCK CO — high-priority violation on file | Fail | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.