EPA Air · inspections by state, industry and year

Chemical manufacturing (NAICS 3256): inspections in Pennsylvania, 2024

• 17Inspections

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 2024 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
• 2023 17
• 2022 13
• 2021 13
• 2020 13
• 2019 12
• 2018 10
• 2017 12

Other industries in Pennsylvania, 2024

• Oil and gas extraction (NAICS 2111) 1,382
• Utilities (NAICS 2211) 547
• Pipeline transportation (NAICS 4862) 351
• Waste management and remediation (NAICS 5622) 322
• Mining and quarrying (NAICS 2123) 253
• Petroleum and coal products manufacturing (NAICS 3241) 243
• Plastics and rubber products manufacturing (NAICS 3261) 199
• Hospitals (NAICS 6221) 167
• Merchant wholesalers, nondurable goods (NAICS 4247) 163
• Personal and laundry services (NAICS 8122) 151
• Mining support (NAICS 2131) 143
• Nonmetallic mineral product manufacturing (NAICS 3273) 116
• Primary metal manufacturing (NAICS 3315) 109
• Chemical manufacturing (NAICS 3251) 100
• Fabricated metal product manufacturing (NAICS 3323) 97
• Furniture and related product manufacturing (NAICS 3371) 96
• Paper manufacturing (NAICS 3222) 87
• Printing and related support (NAICS 3231) 84
• Educational services (NAICS 6113) 83
• Fabricated metal product manufacturing (NAICS 3328) 79
• Utilities (NAICS 2213) 79
• Primary metal manufacturing (NAICS 3311) 77
• Chemical manufacturing (NAICS 3254) 67
• Wood product manufacturing (NAICS 3219) 67
• Primary metal manufacturing (NAICS 3312) 65
• Primary metal manufacturing (NAICS 3314) 57
• Paper manufacturing (NAICS 3221) 56
• Educational services (NAICS 6111) 55
• Primary metal manufacturing (NAICS 3313) 53
• Chemical manufacturing (NAICS 3252) 50
• Food manufacturing (NAICS 3111) 50
• Food manufacturing (NAICS 3119) 49
• Fabricated metal product manufacturing (NAICS 3324) 45
• Food manufacturing (NAICS 3112) 44
• Nonmetallic mineral product manufacturing (NAICS 3279) 43
• Transportation equipment manufacturing (NAICS 3362) 41
• Nonmetallic mineral product manufacturing (NAICS 3271) 41
• Chemical manufacturing (NAICS 3259) 38
• Miscellaneous manufacturing (NAICS 3399) 37
• Electrical equipment and appliance manufacturing (NAICS 3359) 36
• Food manufacturing (NAICS 3118) 36
• Food manufacturing (NAICS 3116) 36
• Machinery manufacturing (NAICS 3339) 34
• Justice, public order and safety (NAICS 9221) 34
• Fabricated metal product manufacturing (NAICS 3321) 33
• Machinery manufacturing (NAICS 3331) 32
• Nonmetallic mineral product manufacturing (NAICS 3274) 32
• Nonmetallic mineral product manufacturing (NAICS 3272) 31
• Pipeline transportation (NAICS 4869) 29
• Mining and quarrying (NAICS 2121) 28
• Transportation equipment manufacturing (NAICS 3364) 28
• Wood product manufacturing (NAICS 3211) 27
• Merchant wholesalers, durable goods (NAICS 4239) 27
• Wood product manufacturing (NAICS 3212) 26
• National security and international affairs (NAICS 9281) 26
• Beverage and tobacco manufacturing (NAICS 3121) 25
• Fabricated metal product manufacturing (NAICS 3329) 25
• Professional, scientific and technical services (NAICS 5419) 25
• Miscellaneous manufacturing (NAICS 3391) 24
• Professional, scientific and technical services (NAICS 5417) 24

Air-emissions inspections recorded in Pennsylvania, 2024

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.