EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3251): stack tests in Texas, 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 Texas source whose primary industry code is NAICS 3251. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3251) in Texas, other years
Other industries in Texas, 2026
- Oil and gas extraction (NAICS 2111) 73
- Utilities (NAICS 2211) 64
- Petroleum and coal products manufacturing (NAICS 3241) 38
- Wood product manufacturing (NAICS 3212) 27
- Nonmetallic mineral product manufacturing (NAICS 3279) 19
- NAICS 9999 18
- Computer and electronic product manufacturing (NAICS 3344) 13
- Chemical manufacturing (NAICS 3252) 9
- Educational services (NAICS 6113) 7
- Primary metal manufacturing (NAICS 3311) 4
- Mining and quarrying (NAICS 2123) 4
- Nonmetallic mineral product manufacturing (NAICS 3273) 3
- Transportation equipment manufacturing (NAICS 3364) 3
- Plastics and rubber products manufacturing (NAICS 3261) 3
Air-emissions stack tests recorded in Texas, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-08-30 | BAYPORT POLYMERS | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2026-08-30 | BAYPORT POLYMERS | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2026-08-30 | BAYPORT POLYMERS | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2026-08-27 | PORT NECHES OPERATIONS — high-priority violation on file | PORT NECHES, Jefferson, TX | Fail | State |
| 2026-08-21 | ARKEMA BEAUMONT PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2026-08-21 | CHEVRON PHILLIPS CHEMICAL PORT ARTHUR FACILITY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2026-08-18 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2026-08-18 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2026-08-14 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2026-08-03 | CHEVRON PHILLIPS CHEMICAL PORT ARTHUR FACILITY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2026-08-03 | CHEVRON PHILLIPS CHEMICAL PORT ARTHUR FACILITY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2026-08-03 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | GREGORY, San Patricio, TX | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | GREGORY, San Patricio, TX | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | GREGORY, San Patricio, TX | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | GREGORY, San Patricio, TX | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | GREGORY, San Patricio, TX | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | GREGORY, San Patricio, TX | Pass | State |
| 2026-01-22 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2026-01-13 | UCC SEADRIFT OPERATIONS | SEADRIFT, Calhoun, 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.