EPA Air · inspections by state, industry and year

Chemical manufacturing (NAICS 3256): inspections in Pennsylvania, 2021

• 13Inspections

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 2021 at a Pennsylvania source whose primary industry code is NAICS 3256. A facility filing more than one industry code is counted under the first one on its record.

Chemical manufacturing (NAICS 3256) in Pennsylvania, other years

• 2026 7
• 2025 17
• 2024 17
• 2023 17
• 2022 13
• 2020 13
• 2019 12
• 2018 10
• 2017 12

Other industries in Pennsylvania, 2021

• Oil and gas extraction (NAICS 2111) 1,340
• Utilities (NAICS 2211) 571
• Pipeline transportation (NAICS 4862) 374
• Waste management and remediation (NAICS 5622) 348
• Petroleum and coal products manufacturing (NAICS 3241) 262
• Mining and quarrying (NAICS 2123) 207
• Plastics and rubber products manufacturing (NAICS 3261) 200
• Nonmetallic mineral product manufacturing (NAICS 3273) 169
• Merchant wholesalers, nondurable goods (NAICS 4247) 132
• Mining support (NAICS 2131) 129
• Hospitals (NAICS 6221) 125
• Personal and laundry services (NAICS 8122) 120
• Paper manufacturing (NAICS 3222) 95
• Furniture and related product manufacturing (NAICS 3371) 93
• Printing and related support (NAICS 3231) 93
• Primary metal manufacturing (NAICS 3311) 90
• Paper manufacturing (NAICS 3221) 90
• Chemical manufacturing (NAICS 3251) 90
• Primary metal manufacturing (NAICS 3315) 86
• Fabricated metal product manufacturing (NAICS 3323) 83
• Utilities (NAICS 2213) 79
• Educational services (NAICS 6113) 79
• Wood product manufacturing (NAICS 3219) 78
• Primary metal manufacturing (NAICS 3314) 60
• Transportation equipment manufacturing (NAICS 3362) 59
• Fabricated metal product manufacturing (NAICS 3328) 58
• Nonmetallic mineral product manufacturing (NAICS 3272) 55
• Food manufacturing (NAICS 3111) 55
• Chemical manufacturing (NAICS 3254) 52
• Educational services (NAICS 6111) 51
• Primary metal manufacturing (NAICS 3313) 51
• Primary metal manufacturing (NAICS 3312) 48
• Nonmetallic mineral product manufacturing (NAICS 3271) 47
• Nonmetallic mineral product manufacturing (NAICS 3279) 46
• Chemical manufacturing (NAICS 3259) 45
• Wood product manufacturing (NAICS 3212) 42
• Fabricated metal product manufacturing (NAICS 3324) 42
• Justice, public order and safety (NAICS 9221) 41
• Electrical equipment and appliance manufacturing (NAICS 3359) 40
• Chemical manufacturing (NAICS 3252) 38
• Nonmetallic mineral product manufacturing (NAICS 3274) 35
• Food manufacturing (NAICS 3114) 34
• Food manufacturing (NAICS 3118) 33
• Fabricated metal product manufacturing (NAICS 3321) 32
• Wood product manufacturing (NAICS 3211) 32
• Machinery manufacturing (NAICS 3331) 30
• Miscellaneous manufacturing (NAICS 3399) 30
• Transportation equipment manufacturing (NAICS 3364) 29
• Fabricated metal product manufacturing (NAICS 3329) 29
• Food manufacturing (NAICS 3116) 29
• Pipeline transportation (NAICS 4869) 28
• Warehousing and storage (NAICS 4931) 28
• Machinery manufacturing (NAICS 3339) 26
• Food manufacturing (NAICS 3119) 26
• Plastics and rubber products manufacturing (NAICS 3262) 25
• Food manufacturing (NAICS 3112) 25
• Waste management and remediation (NAICS 5621) 25
• Food manufacturing (NAICS 3113) 24
• Fabricated metal product manufacturing (NAICS 3326) 24
• Mining and quarrying (NAICS 2121) 23

Air-emissions inspections recorded in Pennsylvania, 2021

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.