EPA Air · stack tests by state, industry and year
Mining and quarrying (NAICS 2122): stack tests in Minnesota, 2024
- 14Stack 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 2024 at a Minnesota 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 Minnesota, other years
Other industries in Minnesota, 2024
- Utilities (NAICS 2211) 35
- Petroleum and coal products manufacturing (NAICS 3241) 33
- Chemical manufacturing (NAICS 3251) 26
- Pipeline transportation (NAICS 4862) 16
- Mining and quarrying (NAICS 2123) 15
- Food manufacturing (NAICS 3112) 13
- Primary metal manufacturing (NAICS 3315) 11
- Food manufacturing (NAICS 3113) 8
- Paper manufacturing (NAICS 3221) 7
- Food manufacturing (NAICS 3111) 7
- Wood product manufacturing (NAICS 3212) 6
- Wood product manufacturing (NAICS 3219) 5
- Utilities (NAICS 2213) 5
- Fabricated metal product manufacturing (NAICS 3329) 5
- Plastics and rubber products manufacturing (NAICS 3261) 5
- Primary metal manufacturing (NAICS 3313) 5
- Food manufacturing (NAICS 3116) 4
- Health and personal care stores (NAICS 4461) 4
- Merchant wholesalers, nondurable goods (NAICS 4245) 3
- Nonmetallic mineral product manufacturing (NAICS 3272) 3
- Waste management and remediation (NAICS 5622) 3
- Hospitals (NAICS 6221) 3
- Textile mills (NAICS 3133) 3
Air-emissions stack tests recorded in Minnesota, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-11-21 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2024-09-23 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | Pass | State |
| 2024-09-09 | UNITED STATES STEEL CORP - KEETAC | KEEWATIN, St. Louis, MN | Pass | State |
| 2024-07-22 | CLEVELAND-CLIFFS MINORCA MINE INC | VIRGINIA, St. Louis, MN | Pass | State |
| 2024-06-21 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2024-05-22 | UNITED STATES STEEL CORP - KEETAC | KEEWATIN, St. Louis, MN | Pass | State |
| 2024-05-21 | HIBBING TACONITE CO | HIBBING, St. Louis, MN | Pass | State |
| 2024-04-25 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2024-04-17 | HIBBING TACONITE CO | HIBBING, St. Louis, MN | N/A | State |
| 2024-04-10 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2024-04-08 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2024-03-19 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2024-03-12 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | N/A | State |
| 2024-01-22 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | 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.