EPA Air · stack tests by county and year
Air-emissions stack tests in Navajo County, Arizona, 2022
- 6Stack 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 Navajo County, Arizona during 2022. 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 Navajo County facility page.
Navajo County, Arizona, 2022
Air-emissions stack tests in Navajo County, other years
Air-emissions stack tests recorded in Navajo County, Arizona, 2022
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2022-11-01 | NOVO BIOPOWER, LLC | Pass | State |
| 2022-08-24 | NOVO BIOPOWER, LLC | Fail | State |
| 2022-08-24 | BOEING 400 PORTABLE HOT PLANT | Pass | State |
| 2022-06-19 | CHOLLA GENERATING STATION | Pass | State |
| 2022-06-19 | CHOLLA GENERATING STATION | Pass | State |
| 2022-01-13 | CHOLLA GENERATING STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.