EPA Air · inspections by state, industry and year
Primary metal manufacturing (NAICS 3314): inspections in Michigan, 2026
- 3Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2026 at a Michigan source whose primary industry code is NAICS 3314. A facility filing more than one industry code is counted under the first one on its record.
Primary metal manufacturing (NAICS 3314) in Michigan, other years
Other industries in Michigan, 2026
- Utilities (NAICS 2211) 42
- Plastics and rubber products manufacturing (NAICS 3261) 40
- Oil and gas extraction (NAICS 2111) 36
- Waste management and remediation (NAICS 5622) 34
- Transportation equipment manufacturing (NAICS 3363) 34
- Fabricated metal product manufacturing (NAICS 3328) 30
- Petroleum and coal products manufacturing (NAICS 3241) 30
- Chemical manufacturing (NAICS 3251) 16
- Pipeline transportation (NAICS 4862) 15
- Hospitals (NAICS 6221) 11
- Primary metal manufacturing (NAICS 3315) 9
- Chemical manufacturing (NAICS 3252) 9
- Professional, scientific and technical services (NAICS 5413) 9
- Utilities (NAICS 2212) 8
- Nonmetallic mineral product manufacturing (NAICS 3273) 8
- Wood product manufacturing (NAICS 3212) 7
- Chemical manufacturing (NAICS 3255) 7
- Merchant wholesalers, nondurable goods (NAICS 4247) 7
- Chemical manufacturing (NAICS 3254) 6
- Plastics and rubber products manufacturing (NAICS 3262) 6
- Printing and related support (NAICS 3231) 5
- Food manufacturing (NAICS 3112) 4
- Food manufacturing (NAICS 3115) 4
- Warehousing and storage (NAICS 4931) 4
- Paper manufacturing (NAICS 3221) 4
- Justice, public order and safety (NAICS 9221) 4
- Transportation equipment manufacturing (NAICS 3361) 4
- Wood product manufacturing (NAICS 3219) 4
- Nonmetallic mineral product manufacturing (NAICS 3279) 4
- Chemical manufacturing (NAICS 3253) 3
- Chemical manufacturing (NAICS 3259) 3
- Mining and quarrying (NAICS 2123) 3
- Food manufacturing (NAICS 3113) 3
- Transportation equipment manufacturing (NAICS 3366) 3
- Educational services (NAICS 6113) 3
- Utilities (NAICS 2213) 3
- Food manufacturing (NAICS 3114) 3
Air-emissions inspections recorded in Michigan, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-03-25 | MUELLER BRASS COMPANY | PORT HURON, St. Clair, MI | PCE Off-Site | State |
| 2026-02-26 | WHITE PINE COPPER REFINERY INC | WHITE PINE, Ontonagon, MI | PCE On-Site | State |
| 2026-02-26 | WHITE PINE COPPER REFINERY INC | WHITE PINE, Ontonagon, MI | FCE On-Site | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.