EPA Air · stack tests by state, industry and year
Nonmetallic mineral product manufacturing (NAICS 3274): stack tests in Montana, 2019
- 4Stack 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 Montana source whose primary industry code is NAICS 3274. A facility filing more than one industry code is counted under the first one on its record.
Other industries in Montana, 2019
- Petroleum and coal products manufacturing (NAICS 3241) 91
- Utilities (NAICS 2211) 88
- Oil and gas extraction (NAICS 2111) 28
- Pipeline transportation (NAICS 4862) 28
- Nonmetallic mineral product manufacturing (NAICS 3273) 10
- Utilities (NAICS 2212) 4
- Wood product manufacturing (NAICS 3211) 3
- Food manufacturing (NAICS 3113) 3
Air-emissions stack tests recorded in Montana, 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-06-17 | GRAYMONT WESTERN US INC | TOWNSEND, Broadwater, MT | Pass | State |
| 2019-06-17 | GRAYMONT WESTERN US INC | TOWNSEND, Broadwater, MT | Pass | State |
| 2019-01-07 | GRAYMONT WESTERN US INC | TOWNSEND, Broadwater, MT | Pass | State |
| 2019-01-07 | GRAYMONT WESTERN US INC | TOWNSEND, Broadwater, MT | 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.