EPA Air · stack tests by state, industry and year
Mining and quarrying (NAICS 2121): stack tests in Wyoming, 2019
- 3Stack 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 2019 at a Wyoming source whose primary industry code is NAICS 2121. A facility filing more than one industry code is counted under the first one on its record.
Other industries in Wyoming, 2019
- Pipeline transportation (NAICS 4862) 92
- Mining and quarrying (NAICS 2123) 38
- Oil and gas extraction (NAICS 2111) 37
- Petroleum and coal products manufacturing (NAICS 3241) 29
- Utilities (NAICS 2211) 29
- Pipeline transportation (NAICS 4869) 10
- Nonmetallic mineral product manufacturing (NAICS 3274) 5
- Chemical manufacturing (NAICS 3253) 5
Air-emissions stack tests recorded in Wyoming, 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-10-17 | WYODAK MINE (WYODAK RESOURCES DEVELOPMENT) | GILLETTE, Campbell, WY | Pass | State |
| 2019-02-27 | COAL CREEK MINE (THUNDER BASIN COAL COMPANY LLC) | WRIGHT, Campbell, WY | Pass | State |
| 2019-02-27 | COAL CREEK MINE (THUNDER BASIN COAL COMPANY LLC) | WRIGHT, Campbell, WY | Fail | 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.