EPA Air · inspections by state, industry and year
Nonmetallic mineral product manufacturing (NAICS 3273): 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 3273. A facility filing more than one industry code is counted under the first one on its record.
Nonmetallic mineral product manufacturing (NAICS 3273) in Maryland, other years
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
- Printing and related support (NAICS 3231) 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
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-23 | QUIKRETE COMPANY | PERRYVILLE, Cecil, MD | FCE On-Site | State |
| 2025-04-14 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | PCE Off-Site | State |
| 2025-04-02 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | FCE On-Site | State |
| 2025-02-25 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | PCE Off-Site | State |
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.