EPA Air · stack tests by county and year
Air-emissions stack tests in Pima County, Arizona, 2023
- 8Stack 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 2023. 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, 2023
Air-emissions stack tests in Pima County, other years
Air-emissions stack tests recorded in Pima County, Arizona, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-07-28 | TUCSON ELECTRIC POWER-IRVINGTON | Pass | Local |
| 2023-07-13 | CALPORTLAND - RILLITO CEMENT PLANT | Pass | State |
| 2023-06-21 | TUCSON ELECTRIC POWER-IRVINGTON | Pass | Local |
| 2023-06-20 | EL PASO NATURAL GAS COMPANY- VAIL COMPRESSOR STATION | Pass | Local |
| 2023-03-15 | FREEPORT-MCMORAN SIERRITA | Pending | Local |
| 2023-03-07 | UNIVERSITY OF ARIZONA | Pass | Local |
| 2023-03-03 | CALPORTLAND - RILLITO CEMENT PLANT | Pass | State |
| 2023-02-14 | FREEPORT-MCMORAN SIERRITA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Pima county, AZ, in 2023. It lists 8 stack tests recorded in 2023.