EPA Air · stack tests by state, industry and year
Transportation equipment manufacturing (NAICS 3364): stack tests in Washington, 2025
- 7Stack 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 Washington source whose primary industry code is NAICS 3364. A facility filing more than one industry code is counted under the first one on its record.
Transportation equipment manufacturing (NAICS 3364) in Washington, other years
Other industries in Washington, 2025
- Paper manufacturing (NAICS 3221) 84
- Mining and quarrying (NAICS 2123) 33
- Petroleum and coal products manufacturing (NAICS 3241) 25
- Utilities (NAICS 2211) 21
- Chemical manufacturing (NAICS 3251) 12
- Pipeline transportation (NAICS 4862) 11
- Wood product manufacturing (NAICS 3211) 10
- NAICS 9999 6
- Chemical manufacturing (NAICS 3253) 6
- Primary metal manufacturing (NAICS 3311) 5
- Primary metal manufacturing (NAICS 3315) 4
- Primary metal manufacturing (NAICS 3313) 4
- Utilities (NAICS 2213) 3
- Plastics and rubber products manufacturing (NAICS 3261) 3
- Wood product manufacturing (NAICS 3212) 3
Air-emissions stack tests recorded in Washington, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-05 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2025-11-04 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2025-11-04 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2025-11-04 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2025-09-03 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2025-09-03 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2025-04-01 | BOEING COMMERCIAL AIRPLANE, FREDERICKSON | PUYALLUP, Pierce, WA | Pass | Local |
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.