EPA Air · stack tests by state, industry and year
Mining support (NAICS 2131): stack tests in Texas, 2025
- 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 2025 at a Texas 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.
Other industries in Texas, 2025
- Oil and gas extraction (NAICS 2111) 85
- Utilities (NAICS 2211) 59
- Chemical manufacturing (NAICS 3251) 51
- Petroleum and coal products manufacturing (NAICS 3241) 31
- NAICS 9999 17
- Utilities (NAICS 2212) 10
- Nonmetallic mineral product manufacturing (NAICS 3279) 8
- Warehousing and storage (NAICS 4931) 6
- Chemical manufacturing (NAICS 3252) 6
- Nonmetallic mineral product manufacturing (NAICS 3273) 6
- Transportation equipment manufacturing (NAICS 3361) 4
- Pipeline transportation (NAICS 4862) 3
- Primary metal manufacturing (NAICS 3311) 3
Air-emissions stack tests recorded in Texas, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-04-30 | HAWK CTF AND SWDF | MENTONE, Loving, TX | Pass | State |
| 2025-04-30 | HAWK CTF AND SWDF | MENTONE, Loving, TX | Pass | State |
| 2025-04-30 | HAWK CTF AND SWDF | MENTONE, Loving, TX | Pass | State |
| 2025-04-30 | HAWK CTF AND SWDF | MENTONE, Loving, TX | 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.