EPA Air · stack tests by state, industry and year
Mining and quarrying (NAICS 2122): stack tests in Alaska, 2025
- 16Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a Alaska source whose primary industry code is NAICS 2122. A facility filing more than one industry code is counted under the first one on its record.
Mining and quarrying (NAICS 2122) in Alaska, other years
Other industries in Alaska, 2025
- Oil and gas extraction (NAICS 2111) 44
- Utilities (NAICS 2211) 38
- Educational services (NAICS 6113) 19
- Petroleum and coal products manufacturing (NAICS 3241) 13
- National security and international affairs (NAICS 9281) 13
- Merchant wholesalers, nondurable goods (NAICS 4247) 4
Air-emissions stack tests recorded in Alaska, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-08-27 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | N/A | State |
| 2025-08-27 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | N/A | State |
| 2025-08-27 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2025-08-27 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | N/A | State |
| 2025-08-27 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | N/A | State |
| 2025-08-27 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2025-08-27 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | N/A | State |
| 2025-08-24 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2025-08-24 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2025-08-24 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2025-06-15 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | N/A | State |
| 2025-06-15 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | Pass | State |
| 2025-06-15 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | N/A | State |
| 2025-06-15 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | N/A | State |
| 2025-06-15 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | Pass | State |
| 2025-05-21 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.