EPA Air · stack tests by county and year
Air-emissions stack tests in Pima County, Arizona, 2020
- 10Stack 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 Pima County, Arizona during 2020. 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 Pima County facility page.
Pima County, Arizona, 2020
Air-emissions stack tests in Pima County, other years
Air-emissions stack tests recorded in Pima County, Arizona, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-12-14 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2020-10-28 | TUCSON ELECTRIC POWER CO (NORTH LOOP) | Pass | Local |
| 2020-10-21 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2020-06-22 | SFPP,LP - TUCSON TERMINAL | Pass | Local |
| 2020-06-11 | TUCSON ELECTRIC POWER-IRVINGTON | Pass | Local |
| 2020-06-11 | TUCSON ELECTRIC POWER-IRVINGTON | Pass | Local |
| 2020-05-28 | CALPORTLAND - RILLITO CEMENT PLANT | Pass | State |
| 2020-03-03 | CALPORTLAND - RILLITO CEMENT PLANT | Pass | State |
| 2020-03-03 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2020-02-04 | CALPORTLAND - RILLITO CEMENT PLANT | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.