EPA Air · inspections by state, industry and year

Paper manufacturing (NAICS 3221): inspections in Michigan, 2026

• 4Inspections

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 3221. A facility filing more than one industry code is counted under the first one on its record.

Paper manufacturing (NAICS 3221) in Michigan, other years

• 2025 10
• 2024 35
• 2023 62
• 2022 21
• 2021 25
• 2020 10
• 2019 25
• 2018 28
• 2017 21

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
• 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
• Primary metal manufacturing (NAICS 3314) 3

Air-emissions inspections recorded in Michigan, 2026

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.