EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3311): stack tests in Alabama, 2026
- 20Stack 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 2026 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, 2026
- Pipeline transportation (NAICS 4862) 71
- Paper manufacturing (NAICS 3221) 41
- Utilities (NAICS 2211) 26
- Wood product manufacturing (NAICS 3212) 25
- Chemical manufacturing (NAICS 3251) 20
- Nonmetallic mineral product manufacturing (NAICS 3274) 20
- Primary metal manufacturing (NAICS 3314) 19
- Nonmetallic mineral product manufacturing (NAICS 3279) 16
- Transportation equipment manufacturing (NAICS 3361) 12
- Oil and gas extraction (NAICS 2111) 9
- Nonmetallic mineral product manufacturing (NAICS 3273) 9
- Merchant wholesalers, nondurable goods (NAICS 4247) 8
- Chemical manufacturing (NAICS 3252) 7
- Wood product manufacturing (NAICS 3219) 7
- Primary metal manufacturing (NAICS 3313) 6
- Primary metal manufacturing (NAICS 3315) 6
- Wood product manufacturing (NAICS 3211) 5
- Computer and electronic product manufacturing (NAICS 3344) 5
- Nonmetallic mineral product manufacturing (NAICS 3271) 4
- Chemical manufacturing (NAICS 3259) 4
- Waste management and remediation (NAICS 5622) 4
- Petroleum and coal products manufacturing (NAICS 3241) 4
- Chemical manufacturing (NAICS 3253) 3
Air-emissions stack tests recorded in Alabama, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-17 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-07-07 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-07-07 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2026-07-07 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2026-07-06 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-05-07 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-05-06 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-05-05 | NUCOR STEEL BIRMINGHAM,INC. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2026-05-05 | NUCOR STEEL BIRMINGHAM,INC. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2026-04-23 | DRUMMOND COMPANY, INC. (ABC COKE) | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2026-04-23 | DRUMMOND COMPANY, INC. (ABC COKE) | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2026-03-18 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2026-03-04 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2026-03-03 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2026-03-03 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2026-02-20 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-01-22 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-01-22 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-01-20 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-01-15 | 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.