EPA Air · stack tests by state, industry and year
Mining and quarrying (NAICS 2122): stack tests in Minnesota, 2021
- 15Stack 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 2021 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, 2021
- Utilities (NAICS 2211) 38
- Petroleum and coal products manufacturing (NAICS 3241) 30
- Food manufacturing (NAICS 3112) 15
- Food manufacturing (NAICS 3113) 14
- Mining and quarrying (NAICS 2123) 14
- Paper manufacturing (NAICS 3221) 12
- Chemical manufacturing (NAICS 3251) 9
- Pipeline transportation (NAICS 4862) 8
- Wood product manufacturing (NAICS 3219) 7
- Food manufacturing (NAICS 3111) 5
- Primary metal manufacturing (NAICS 3315) 4
- Wood product manufacturing (NAICS 3212) 4
- Plastics and rubber products manufacturing (NAICS 3261) 4
- Printing and related support (NAICS 3231) 3
- Primary metal manufacturing (NAICS 3313) 3
Air-emissions stack tests recorded in Minnesota, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-11-18 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | Pass | State |
| 2021-11-11 | ULLAND BROTHERS INC | CLOQUET, Carlton, MN | Pass | State |
| 2021-10-13 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | Pass | State |
| 2021-09-21 | HIBBING TACONITE CO | HIBBING, St. Louis, MN | Pass | State |
| 2021-09-16 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2021-09-13 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | Pass | State |
| 2021-08-10 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2021-07-28 | CLEVELAND-CLIFFS MINORCA MINE INC | VIRGINIA, St. Louis, MN | Pass | State |
| 2021-07-12 | CLEVELAND-CLIFFS MINORCA MINE INC | VIRGINIA, St. Louis, MN | Pass | State |
| 2021-06-08 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | Pass | State |
| 2021-05-08 | UNITED STATES STEEL CORP - KEETAC | KEEWATIN, St. Louis, MN | Pass | State |
| 2021-04-20 | HIBBING TACONITE CO | HIBBING, St. Louis, MN | Pass | State |
| 2021-04-13 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2021-03-25 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2021-03-24 | UNITED STATES STEEL CORP - KEETAC | KEEWATIN, St. Louis, MN | N/A | 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.