EPA Air · stack tests by state, industry and year
Mining support (NAICS 2131): stack tests in West Virginia, 2025
- 6Stack 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 West Virginia source whose primary industry code is NAICS 2131. A facility filing more than one industry code is counted under the first one on its record.
Mining support (NAICS 2131) in West Virginia, other years
Other industries in West Virginia, 2025
- Utilities (NAICS 2211) 78
- Oil and gas extraction (NAICS 2111) 52
- Pipeline transportation (NAICS 4862) 27
- Chemical manufacturing (NAICS 3251) 17
- Utilities (NAICS 2212) 11
- Petroleum and coal products manufacturing (NAICS 3241) 6
- Wood product manufacturing (NAICS 3212) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 4
- Nonmetallic mineral product manufacturing (NAICS 3274) 3
Air-emissions stack tests recorded in West Virginia, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-09-24 | APPALACHIA MIDSTREAM SERVICES, L.L.C., PIONEER FACILITY | WHEELING, Ohio, WV | Pass | State |
| 2025-09-23 | APPALACHIA MIDSTREAM SERVICES, L.L.C., THREEDUBS STATION | WELLSBURG, Brooke, WV | Pass | State |
| 2025-07-14 | APPALACHIA MIDSTREAM SERVICES, L.L.C., MOUNTAINEER COMPRESSOR | WELLSBURG, Brooke, WV | Pass | State |
| 2025-03-27 | APPALACHIA MIDSTREAM SERVICES, L.L.C., RIDGELINE STATION | CAMERON, Marshall, WV | Pass | State |
| 2025-03-27 | APPALACHIA MIDSTREAM SERVICES, L.L.C., BLAKE RIDGE FACILITY | NEW MARTINSVILLE, Wetzel, WV | Pass | State |
| 2025-03-26 | APPALACHIA MIDSTREAM SERVICES, L.L.C., RIDGELINE STATION | CAMERON, Marshall, WV | 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.