EPA Air · inspections by state, industry and year

Nonmetallic mineral product manufacturing (NAICS 3279): inspections in West Virginia, 2025

• 7Inspections

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 2025 at a West Virginia source whose primary industry code is NAICS 3279. A facility filing more than one industry code is counted under the first one on its record.

Nonmetallic mineral product manufacturing (NAICS 3279) in West Virginia, other years

• 2026 5
• 2024 21
• 2023 23
• 2022 13
• 2021 30

Other industries in West Virginia, 2025

• Nonmetallic mineral product manufacturing (NAICS 3273) 28
• Pipeline transportation (NAICS 4862) 26
• Oil and gas extraction (NAICS 2111) 21
• Chemical manufacturing (NAICS 3251) 15
• Waste management and remediation (NAICS 5622) 13
• Printing and related support (NAICS 3231) 13
• Mining and quarrying (NAICS 2121) 9
• Furniture and related product manufacturing (NAICS 3371) 9
• Utilities (NAICS 2211) 8
• Nonmetallic mineral product manufacturing (NAICS 3272) 7
• Electrical equipment and appliance manufacturing (NAICS 3359) 7
• Petroleum and coal products manufacturing (NAICS 3241) 6
• Wood product manufacturing (NAICS 3212) 5
• Wood product manufacturing (NAICS 3211) 5
• Mining support (NAICS 2131) 5
• Mining and quarrying (NAICS 2123) 4
• Primary metal manufacturing (NAICS 3311) 4
• Utilities (NAICS 2212) 4
• Primary metal manufacturing (NAICS 3313) 3
• Chemical manufacturing (NAICS 3252) 3
• Nonmetallic mineral product manufacturing (NAICS 3271) 3

Air-emissions inspections recorded in West Virginia, 2025

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.