EPA Air · stack tests by county and year
Air-emissions stack tests in Maricopa County, Arizona, 2021
- 26Stack 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 Maricopa 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 Maricopa County facility page.
Maricopa County, Arizona, 2021
- Inspections 70
Air-emissions stack tests in Maricopa County, other years
Air-emissions stack tests recorded in Maricopa County, Arizona, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-16 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pass | Local |
| 2021-12-10 | SOLANA GENERATING STATION | Pass | Local |
| 2021-11-10 | REAL ALLOY ARIZONA | Pass | Local |
| 2021-09-29 | VULCAN MATERIALS — high-priority violation on file | Pass | Local |
| 2021-08-31 | CMC STEEL FABRICATORS | Pass | Local |
| 2021-08-19 | APS REDHAWK GENERATING FACILITY | Pending | Local |
| 2021-08-18 | ARLINGTON VALLEY — high-priority violation on file | Pass | Local |
| 2021-08-12 | INSULFOAM — high-priority violation on file | Fail | Local |
| 2021-08-12 | APS WEST PHX POWER PLANT | Pass | State |
| 2021-07-09 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | Pass | State |
| 2021-06-29 | UNITED DAIRYMEN OF ARIZONA | Pass | State |
| 2021-06-29 | SALT RIVER PROJECT - SANTAN GENERATING STATION | Pass | State |
| 2021-06-29 | NEW HARQUAHALA GENERATING | Pass | State |
| 2021-06-29 | GILA RIVER POWER STATION — high-priority violation on file | Pass | State |
| 2021-06-21 | QUIKJET - MONROE I & II TERMINALS — high-priority violation on file | Pending | State |
| 2021-06-21 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | Pending | Local |
| 2021-06-08 | NORTHWEST REGIONAL LANDFILL | Pass | Local |
| 2021-05-26 | SALT RIVER PROJECT - KYRENE GENERATING STATION — high-priority violation on file | Pass | Local |
| 2021-05-21 | MESQUITE GENERATING STATION | Pass | Local |
| 2021-05-20 | APS OCOTILLO POWER PLANT | Pass | Local |
| 2021-05-13 | SFPP-PHOENIX TERMINAL | Pass | Local |
| 2021-04-07 | SOLANA GENERATING STATION | Pass | Local |
| 2021-02-25 | CMC STEEL FABRICATORS | Pass | Local |
| 2021-02-17 | VULCAN ASPHALT | Pass | State |
| 2021-02-11 | MESQUITE GENERATING STATION | Pass | State |
| 2021-02-10 | SFPP-PHOENIX TERMINAL | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.