EPA Air · stack tests by state and year
Air-emissions stack tests in Arizona, 2023
- 102Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Arizona during 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Arizona, 2023
- Maricopa County 39
- Yavapai County 14
- Mohave County 8
- Gila County 8
- Pima County 8
- Cochise County 7
- Graham County 5
- Greenlee County 5
- La Paz County 3
- Coconino County 3
Arizona, other years
Air-emissions stack tests recorded in Arizona, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-01-17 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2023-01-03 | PINTO VALLEY MINE | MIAMI, Gila, AZ | Fail | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.