EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3252): stack tests in Mississippi, 2026
- 17Stack 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 Mississippi source whose primary industry code is NAICS 3252. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3252) in Mississippi, other years
Other industries in Mississippi, 2026
- Pipeline transportation (NAICS 4862) 87
- Petroleum and coal products manufacturing (NAICS 3241) 34
- Chemical manufacturing (NAICS 3251) 32
- Primary metal manufacturing (NAICS 3313) 29
- Oil and gas extraction (NAICS 2111) 23
- Paper manufacturing (NAICS 3221) 21
- Utilities (NAICS 2212) 17
- Mining and quarrying (NAICS 2123) 15
- Warehousing and storage (NAICS 4931) 13
- Space research and technology (NAICS 9271) 10
- Wood product manufacturing (NAICS 3212) 8
- Merchant wholesalers, nondurable goods (NAICS 4245) 6
- Utilities (NAICS 2211) 4
- Food manufacturing (NAICS 3111) 4
- Merchant wholesalers, nondurable goods (NAICS 4247) 4
- Waste management and remediation (NAICS 5622) 3
Air-emissions stack tests recorded in Mississippi, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-03-24 | AC POLYMERS INC | BYHALIA, Marshall, MS | Pass | State |
| 2026-02-26 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-26 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-25 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-25 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-24 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-24 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-24 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-24 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-23 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-23 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-18 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-18 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-17 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-17 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-16 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2026-02-16 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | BAY ST. LOUI, Hancock, MS | 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
This page covers Clean Air Act facilities in the EPA air register with stack tests in state MS for NAICS industry 3252 in 2026. The stack tests recorded in 2026 total 17.