EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3254): stack tests in Michigan, 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 Michigan source whose primary industry code is NAICS 3254. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3254) in Michigan, other years
Other industries in Michigan, 2026
- Utilities (NAICS 2211) 50
- Pipeline transportation (NAICS 4862) 18
- Petroleum and coal products manufacturing (NAICS 3241) 17
- Waste management and remediation (NAICS 5622) 13
- Utilities (NAICS 2212) 12
- Nonmetallic mineral product manufacturing (NAICS 3273) 12
- Paper manufacturing (NAICS 3221) 10
- Transportation equipment manufacturing (NAICS 3363) 8
- Educational services (NAICS 6113) 8
- Transportation equipment manufacturing (NAICS 3361) 7
- Primary metal manufacturing (NAICS 3315) 4
- Chemical manufacturing (NAICS 3251) 4
- Wood product manufacturing (NAICS 3212) 3
- Plastics and rubber products manufacturing (NAICS 3261) 3
- Fabricated metal product manufacturing (NAICS 3328) 3
- Utilities (NAICS 2213) 3
Air-emissions stack tests recorded in Michigan, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-15 | PHARMACIA & UPJOHN CO LLC, A SUBSIDIARY OF PFIZER | KALAMAZOO, Kalamazoo, MI | Pass | State |
| 2026-05-29 | LIFE TECHNOLOGIES CORPORATION | DETROIT, Wayne, MI | Pass | State |
| 2026-05-22 | LIFE TECHNOLOGIES CORPORATION | DETROIT, Wayne, MI | Pass | State |
| 2026-03-12 | NEOGEN CORPORATION | LANSING, Ingham, MI | Pass | State |
| 2026-03-05 | PHARMACIA & UPJOHN CO LLC, A SUBSIDIARY OF PFIZER | KALAMAZOO, Kalamazoo, MI | Fail | State |
| 2026-02-19 | PHARMACIA & UPJOHN CO LLC, A SUBSIDIARY OF PFIZER | KALAMAZOO, Kalamazoo, MI | 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.