EPA Air · stack tests by county and year
Air-emissions stack tests in Pima County, Arizona, 2021
- 15Stack 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 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 Pima County facility page.
Pima County, Arizona, 2021
Air-emissions stack tests in Pima County, other years
Air-emissions stack tests recorded in Pima County, Arizona, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-10-04 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2021-08-30 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2021-08-20 | CALPORTLAND - RILLITO CEMENT PLANT | Pass | State |
| 2021-08-19 | CALPORTLAND - RILLITO CEMENT PLANT | Pass | State |
| 2021-08-19 | CALPORTLAND - RILLITO CEMENT PLANT | Pass | State |
| 2021-07-06 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2021-06-30 | SFPP,LP - TUCSON TERMINAL | Pass | Local |
| 2021-06-09 | TUCSON ELECTRIC POWER-IRVINGTON | Pass | Local |
| 2021-06-08 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2021-05-27 | TUCSON ELECTRIC POWER-IRVINGTON | Pass | Local |
| 2021-05-26 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2021-05-17 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2021-02-01 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
| 2021-01-19 | UNIVERSITY OF ARIZONA | Pass | Local |
| 2021-01-18 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.