EPA Air · stack tests by county and year
Air-emissions stack tests in Graham County, Arizona, 2019
- 5Stack 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 Graham County, Arizona during 2019. 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 Graham County facility page.
Air-emissions stack tests in Graham County, other years
Air-emissions stack tests recorded in Graham County, Arizona, 2019
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2019-12-20 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | Pass | State |
| 2019-10-17 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | Pass | State |
| 2019-07-16 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | Pass | State |
| 2019-07-16 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | Pass | State |
| 2019-06-13 | CKC CONSTRUCTION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.