EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3251): stack tests in Delaware, 2026
- 6Stack 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 Delaware 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 Delaware, other years
Other industries in Delaware, 2026
- Utilities (NAICS 2211) 55
- Professional, scientific and technical services (NAICS 5417) 9
- Petroleum and coal products manufacturing (NAICS 3241) 3
Air-emissions stack tests recorded in Delaware, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-03 | ORIENT CORPORATION OF AMERICA | SEAFORD, Sussex, DE | Pass | State |
| 2026-06-03 | ORIENT CORPORATION OF AMERICA | SEAFORD, Sussex, DE | Pass | State |
| 2026-06-03 | ORIENT CORPORATION OF AMERICA | SEAFORD, Sussex, DE | Pass | State |
| 2026-04-29 | NEXPERA, LLC - NEXPERA RED LION PLANT | NEW CASTLE, New Castle, DE | Pass | State |
| 2026-04-29 | NEXPERA, LLC - NEXPERA RED LION PLANT | NEW CASTLE, New Castle, DE | Pass | State |
| 2026-04-29 | NEXPERA, LLC - NEXPERA RED LION PLANT | NEW CASTLE, New Castle, DE | Fail | 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.