EPA Air · inspections by state, industry and year

Printing and related support (NAICS 3231): inspections in Maryland, 2025

• 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 2025 at a Maryland source whose primary industry code is NAICS 3231. A facility filing more than one industry code is counted under the first one on its record.

Printing and related support (NAICS 3231) in Maryland, other years

• 2024 16
• 2023 15
• 2022 14
• 2021 12
• 2020 11
• 2019 7
• 2018 12
• 2017 18

Other industries in Maryland, 2025

• Waste management and remediation (NAICS 5622) 26
• Utilities (NAICS 2211) 23
• Petroleum and coal products manufacturing (NAICS 3241) 13
• Hospitals (NAICS 6221) 12
• Merchant wholesalers, nondurable goods (NAICS 4247) 10
• National security and international affairs (NAICS 9281) 9
• Mining and quarrying (NAICS 2123) 7
• Pipeline transportation (NAICS 4862) 6
• Plastics and rubber products manufacturing (NAICS 3261) 6
• Chemical manufacturing (NAICS 3251) 5
• Professional, scientific and technical services (NAICS 5417) 5
• Miscellaneous manufacturing (NAICS 3391) 5
• Nonmetallic mineral product manufacturing (NAICS 3273) 4
• Warehousing and storage (NAICS 4931) 4
• Utilities (NAICS 2213) 4
• Justice, public order and safety (NAICS 9221) 3
• Mining and quarrying (NAICS 2122) 3
• Nonmetallic mineral product manufacturing (NAICS 3274) 3
• Food manufacturing (NAICS 3118) 3

Air-emissions inspections recorded in Maryland, 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.