EPA Air · stack tests by state, industry and year
Transportation equipment manufacturing (NAICS 3361): stack tests in Indiana, 2026
- 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 2026 at a Indiana source whose primary industry code is NAICS 3361. A facility filing more than one industry code is counted under the first one on its record.
Transportation equipment manufacturing (NAICS 3361) in Indiana, other years
Other industries in Indiana, 2026
- Food manufacturing (NAICS 3112) 213
- Chemical manufacturing (NAICS 3251) 90
- Primary metal manufacturing (NAICS 3315) 89
- Petroleum and coal products manufacturing (NAICS 3241) 81
- Primary metal manufacturing (NAICS 3311) 78
- Utilities (NAICS 2211) 76
- Nonmetallic mineral product manufacturing (NAICS 3274) 52
- Mining and quarrying (NAICS 2123) 49
- Primary metal manufacturing (NAICS 3313) 37
- Waste management and remediation (NAICS 5622) 25
- Fabricated metal product manufacturing (NAICS 3323) 23
- Nonmetallic mineral product manufacturing (NAICS 3273) 20
- Pipeline transportation (NAICS 4862) 18
- Fabricated metal product manufacturing (NAICS 3329) 16
- Chemical manufacturing (NAICS 3259) 16
- Nonmetallic mineral product manufacturing (NAICS 3279) 15
- Educational services (NAICS 6113) 13
- Primary metal manufacturing (NAICS 3314) 13
- Food and beverage retailers (NAICS 4452) 8
- Miscellaneous manufacturing (NAICS 3391) 8
- Food manufacturing (NAICS 3111) 8
- Transportation equipment manufacturing (NAICS 3363) 6
- Merchant wholesalers, nondurable goods (NAICS 4247) 6
- Electrical equipment and appliance manufacturing (NAICS 3359) 6
- Utilities (NAICS 2213) 5
- Fabricated metal product manufacturing (NAICS 3328) 4
- Transportation equipment manufacturing (NAICS 3362) 4
Air-emissions stack tests recorded in Indiana, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-05-13 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-13 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-13 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2026-05-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | 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.