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.
What this page shows
The page covers Clean Air Act facilities in the EPA air register with stack tests in AL for NAICS industry 3311 in 2025. Stack tests recorded in 2025: 27.