EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3311): stack tests in Arkansas, 2026
- 15Stack 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 Arkansas 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 Arkansas, other years
Other industries in Arkansas, 2026
- Pipeline transportation (NAICS 4862) 188
- Mining and quarrying (NAICS 2123) 80
- Petroleum and coal products manufacturing (NAICS 3241) 16
- Mining support (NAICS 2131) 14
- Paper manufacturing (NAICS 3221) 14
- Utilities (NAICS 2211) 12
- Waste management and remediation (NAICS 5622) 7
- Chemical manufacturing (NAICS 3251) 5
- Wood product manufacturing (NAICS 3211) 5
- Mining and quarrying (NAICS 2121) 4
Air-emissions stack tests recorded in Arkansas, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-14 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-05-07 | NUCOR YAMATO STEEL COMPANY | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2026-05-06 | NUCOR YAMATO STEEL COMPANY | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2026-05-06 | NUCOR YAMATO STEEL COMPANY | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2026-04-15 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-04-08 | ARKANSAS STEEL ASSOCIATES, LLC | NEWPORT, Jackson, AR | Pass | State |
| 2026-04-08 | ARKANSAS STEEL ASSOCIATES, LLC | NEWPORT, Jackson, AR | Pass | State |
| 2026-04-02 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-04-02 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-03-14 | HYBAR LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-03-14 | HYBAR LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-02-25 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-02-25 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-02-10 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-02-10 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, 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.