EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3312): stack tests in Delaware, 2025
- 8Stack 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 Delaware source whose primary industry code is NAICS 3312. A facility filing more than one industry code is counted under the first one on its record.
Primary metal manufacturing (NAICS 3312) in Delaware, other years
Other industries in Delaware, 2025
- Utilities (NAICS 2211) 56
- Chemical manufacturing (NAICS 3256) 56
- Petroleum and coal products manufacturing (NAICS 3241) 52
- Hospitals (NAICS 6221) 23
- Textile mills (NAICS 3133) 6
- Utilities (NAICS 2213) 4
- Professional, scientific and technical services (NAICS 5417) 3
Air-emissions stack tests recorded in Delaware, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-08 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2025-10-08 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2025-08-08 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2025-08-08 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2025-04-08 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2025-04-08 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2025-01-28 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2025-01-28 | HANDYTUBE LLC | CAMDEN, Kent, DE | 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.