EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3259): stack tests in Arkansas, 2025
- 12Stack 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 Arkansas source whose primary industry code is NAICS 3259. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3259) in Arkansas, other years
Other industries in Arkansas, 2025
- Pipeline transportation (NAICS 4862) 291
- Mining and quarrying (NAICS 2123) 70
- Primary metal manufacturing (NAICS 3311) 43
- Utilities (NAICS 2211) 30
- Mining support (NAICS 2131) 26
- Paper manufacturing (NAICS 3221) 21
- Petroleum and coal products manufacturing (NAICS 3241) 16
- Waste management and remediation (NAICS 5622) 16
- Wood product manufacturing (NAICS 3211) 15
- Chemical manufacturing (NAICS 3251) 13
- Wood product manufacturing (NAICS 3212) 10
- Fabricated metal product manufacturing (NAICS 3328) 7
- Wood product manufacturing (NAICS 3219) 7
- Plastics and rubber products manufacturing (NAICS 3262) 6
- Mining and quarrying (NAICS 2121) 5
- Textile mills (NAICS 3132) 5
- Nonmetallic mineral product manufacturing (NAICS 3271) 4
- Food manufacturing (NAICS 3116) 4
- Oil and gas extraction (NAICS 2111) 3
- Utilities (NAICS 2212) 3
Air-emissions stack tests recorded in Arkansas, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-20 | LANXESS CORPORATION - WEST PLANT | EL DORADO, Union, AR | Incomplete | State |
| 2025-11-20 | LANXESS CORPORATION - WEST PLANT | EL DORADO, Union, AR | Pass | State |
| 2025-11-19 | LANXESS CORPORATION-SOUTH PLANT | EL DORADO, Union, AR | Incomplete | State |
| 2025-11-19 | LANXESS CORPORATION-SOUTH PLANT | EL DORADO, Union, AR | Pass | State |
| 2025-08-26 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2025-08-26 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2025-08-26 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2025-08-26 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2025-08-26 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2025-04-09 | LANXESS CORPORATION - CENTRAL PLANT | EL DORADO, Union, AR | Pass | State |
| 2025-04-01 | LANXESS CORPORATION-SOUTH PLANT | EL DORADO, Union, AR | Pass | State |
| 2025-03-05 | LANXESS CORPORATION - CENTRAL PLANT | EL DORADO, Union, AR | 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.