EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3311): stack tests in Alabama, 2025
- 27Stack 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 Alabama 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 Alabama, other years
Other industries in Alabama, 2025
- Pipeline transportation (NAICS 4862) 145
- Paper manufacturing (NAICS 3221) 123
- Nonmetallic mineral product manufacturing (NAICS 3273) 47
- Oil and gas extraction (NAICS 2111) 44
- Wood product manufacturing (NAICS 3212) 43
- Utilities (NAICS 2211) 33
- Chemical manufacturing (NAICS 3251) 30
- Primary metal manufacturing (NAICS 3314) 30
- Nonmetallic mineral product manufacturing (NAICS 3279) 29
- Petroleum and coal products manufacturing (NAICS 3241) 26
- Nonmetallic mineral product manufacturing (NAICS 3274) 22
- Wood product manufacturing (NAICS 3211) 11
- Waste management and remediation (NAICS 5622) 10
- Wood product manufacturing (NAICS 3219) 9
- Transportation equipment manufacturing (NAICS 3361) 8
- Primary metal manufacturing (NAICS 3313) 8
- Merchant wholesalers, nondurable goods (NAICS 4247) 8
- Pipeline transportation (NAICS 4869) 6
- Furniture and related product manufacturing (NAICS 3372) 6
- Nonmetallic mineral product manufacturing (NAICS 3271) 5
- Primary metal manufacturing (NAICS 3315) 5
- Chemical manufacturing (NAICS 3259) 4
- Mining and quarrying (NAICS 2123) 3
Air-emissions stack tests recorded in Alabama, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-10 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-11-05 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2025-11-05 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2025-11-04 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-11-04 | DRUMMOND COMPANY, INC. (ABC COKE) | BIRMINGHAM, Jefferson, AL | Pending | Local |
| 2025-10-23 | NUCOR TUSCALOOSA | TUSCALOOSA, Tuscaloosa, AL | Pass | State |
| 2025-10-23 | NUCOR TUSCALOOSA | TUSCALOOSA, Tuscaloosa, AL | Pass | State |
| 2025-09-16 | UNITED STATES STEEL CORPORATIONFAIRFIELD PIPE MIL | FAIRFIELD, Jefferson, AL | Pass | Local |
| 2025-08-14 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Fail | State |
| 2025-06-17 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2025-06-17 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2025-06-04 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-06-03 | NUCOR TUSCALOOSA | TUSCALOOSA, Tuscaloosa, AL | Pass | State |
| 2025-05-20 | DRUMMOND COMPANY, INC. (ABC COKE) | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2025-05-14 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-05-13 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-05-13 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-03-06 | NUCOR STEEL BIRMINGHAM,INC. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2025-03-06 | NUCOR STEEL BIRMINGHAM,INC. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2025-03-04 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2025-02-25 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-02-18 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2025-02-06 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-01-17 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-01-16 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-01-15 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2025-01-15 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | 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.