EPA Air · stack tests by county and year
Air-emissions stack tests in Gila 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 Gila 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 Gila County facility page.
Gila County, Arizona, 2023
Air-emissions stack tests in Gila County, other years
Air-emissions stack tests recorded in Gila County, Arizona, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-12 | FREEPORT MCMORAN - MIAMI SMELTER | Pass | State |
| 2023-11-10 | ASARCO - HAYDEN SMELTER — high-priority violation on file | Pass | State |
| 2023-05-11 | FREEPORT MCMORAN - MIAMI SMELTER | Pass | State |
| 2023-05-09 | FREEPORT MCMORAN - MIAMI SMELTER | Pass | State |
| 2023-03-09 | FREEPORT MCMORAN - MIAMI SMELTER | Pass | State |
| 2023-03-01 | PINTO VALLEY MINE | Pass | State |
| 2023-01-26 | ASARCO - HAYDEN SMELTER — high-priority violation on file | Pass | State |
| 2023-01-03 | PINTO VALLEY MINE | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.