EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3311): stack tests in Kentucky, 2025
- 9Stack 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 Kentucky 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 Kentucky, other years
Other industries in Kentucky, 2025
- Utilities (NAICS 2211) 45
- Primary metal manufacturing (NAICS 3313) 23
- Waste management and remediation (NAICS 5622) 14
- Pipeline transportation (NAICS 4862) 14
- Chemical manufacturing (NAICS 3251) 10
- Nonmetallic mineral product manufacturing (NAICS 3273) 9
- Chemical manufacturing (NAICS 3252) 9
- Oil and gas extraction (NAICS 2111) 7
- Transportation equipment manufacturing (NAICS 3361) 6
- Electrical equipment and appliance manufacturing (NAICS 3359) 6
- Merchant wholesalers, nondurable goods (NAICS 4247) 6
- Paper manufacturing (NAICS 3221) 6
- Plastics and rubber products manufacturing (NAICS 3261) 5
- Utilities (NAICS 2213) 5
- Beverage and tobacco manufacturing (NAICS 3121) 4
- Food manufacturing (NAICS 3118) 3
- Nonmetallic mineral product manufacturing (NAICS 3272) 3
Air-emissions stack tests recorded in Kentucky, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-18 | NUCOR STEEL BRANDENBURG | BRANDENBURG, Meade, KY | Pass | State |
| 2025-09-16 | NORTH AMERICAN STAINLESS | GHENT, Carroll, KY | Pass | State |
| 2025-07-29 | NUCOR STEEL BRANDENBURG | BRANDENBURG, Meade, KY | Pass | State |
| 2025-06-03 | NORTH AMERICAN STAINLESS | GHENT, Carroll, KY | Pass | State |
| 2025-05-21 | NUCOR STEEL GALLATIN LLC | GHENT, Gallatin, KY | Pass | State |
| 2025-05-20 | NUCOR STEEL GALLATIN LLC | GHENT, Gallatin, KY | Pass | State |
| 2025-04-24 | NUCOR STEEL BRANDENBURG | BRANDENBURG, Meade, KY | Pass | State |
| 2025-02-11 | NUCOR STEEL GALLATIN LLC | GHENT, Gallatin, KY | Pass | State |
| 2025-02-06 | NORTH AMERICAN STAINLESS | GHENT, Carroll, KY | 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.