EPA Air · by state and industry
Primary metal manufacturing (NAICS 3312) air sources in Maryland
- 7Facilities
Permitted air-emissions sources in Maryland whose primary industry code is NAICS 3312. A facility filing more than one industry code is counted under the first one on its record, so a plant with several lines appears once, under the line EPA lists first.
Inspections of primary metal manufacturing (naics 3312) in Maryland, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2024 — inspections 4
- 2022 — inspections 6
- 2021 — inspections 3
- 2020 — inspections 4
- 2018 — inspections 4
- 2017 — inspections 4
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| HOLLAND MANUFACTURING | Minor source | No |
| MARYLAND METALS PROCESSING, INC. | Minor source | No |
| OLSON WIRE PRODUCTS | Minor source | No |
| PLYMOUTH TUBE COMPANY | Major source | No |
| TECHALLOY | Minor source | No |
| THOMPSON STEEL CO. | Minor source | No |
| WORTHINGTON STEEL CO | Minor source | No |
Primary NAICS code as filed on the facility record. Figures from EPA’s ICIS-AIR download.