EPA Air · stack tests by county and year
Air-emissions stack tests in Greenlee County, Arizona, 2021
- 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 Greenlee 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 Greenlee County facility page.
Air-emissions stack tests in Greenlee County, other years
What stands out
- Stack tests in Greenlee County, Arizona, rose from 3 in 2018, the previous year on file, to 5 in 2021.
- The county’s file for stack tests holds 8 years of events, from 2017 through 2026.
- Its 5 stack tests rank 6th of the 10 county cells in Arizona for 2021.
- Its 5 stack tests are 5.4% of the 93 the state’s file holds for 2021.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Greenlee County, Arizona, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-10-27 | FREEPORT-MCMORAN - MORENCI | Fail | State |
| 2021-06-11 | FREEPORT-MCMORAN - MORENCI | Pass | State |
| 2021-06-03 | FREEPORT-MCMORAN - MORENCI | Pass | State |
| 2021-04-16 | FREEPORT-MCMORAN - MORENCI | Pass | State |
| 2021-04-09 | FREEPORT-MCMORAN - MORENCI | Pass | State |
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 Greenlee county, AZ, in 2021. It lists 5 stack tests recorded in 2021.