EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3311): stack tests in Texas, 2023
- 5Stack 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 2023 at a Texas source whose primary industry code is NAICS 3311. A facility filing more than one industry code is counted under the first one on its record.
Primary metal manufacturing (NAICS 3311) in Texas, other years
Other industries in Texas, 2023
- Utilities (NAICS 2211) 121
- Oil and gas extraction (NAICS 2111) 63
- Petroleum and coal products manufacturing (NAICS 3241) 52
- Utilities (NAICS 2212) 41
- Chemical manufacturing (NAICS 3251) 35
- NAICS 9999 14
- Pipeline transportation (NAICS 4862) 12
- Chemical manufacturing (NAICS 3252) 10
- Educational services (NAICS 6113) 6
- Paper manufacturing (NAICS 3221) 6
- Merchant wholesalers, nondurable goods (NAICS 4247) 4
- Wood product manufacturing (NAICS 3212) 4
- Primary metal manufacturing (NAICS 3314) 3
Air-emissions stack tests recorded in Texas, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-08-24 | GERDAU MIDLOTHIAN PLANT | MIDLOTHIAN, Ellis, TX | Pass | State |
| 2023-08-24 | GERDAU MIDLOTHIAN PLANT | MIDLOTHIAN, Ellis, TX | Pass | State |
| 2023-08-24 | GERDAU MIDLOTHIAN PLANT | MIDLOTHIAN, Ellis, TX | Pass | State |
| 2023-08-03 | GERDAU MIDLOTHIAN PLANT | MIDLOTHIAN, Ellis, TX | N/A | State |
| 2023-08-03 | GERDAU MIDLOTHIAN PLANT | MIDLOTHIAN, Ellis, TX | 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.