EPA Air · inspections by state, industry and year
Pipeline transportation (NAICS 4869): inspections in Maryland, 2026
- 3Inspections
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 2026 at a Maryland source whose primary industry code is NAICS 4869. A facility filing more than one industry code is counted under the first one on its record.
Pipeline transportation (NAICS 4869) in Maryland, other years
Other industries in Maryland, 2026
- Petroleum and coal products manufacturing (NAICS 3241) 13
- Utilities (NAICS 2211) 8
- Mining and quarrying (NAICS 2123) 5
- Hospitals (NAICS 6221) 5
- National security and international affairs (NAICS 9281) 5
- Merchant wholesalers, nondurable goods (NAICS 4247) 4
- Waste management and remediation (NAICS 5622) 4
- Professional, scientific and technical services (NAICS 5417) 4
- Utilities (NAICS 2213) 4
Air-emissions inspections recorded in Maryland, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-03-19 | COLONIAL PIPELINE COMPANY - DORSEY JUNCTION | WOODBINE, Carroll, MD | FCE On-Site | State |
| 2026-03-18 | COLONIAL PIPELINE COMPANY - ABERDEEN JUNCTION | FOREST HILL, Harford, MD | FCE On-Site | State |
| 2026-03-18 | COLONIAL PIPELINE COMPANY - ABERDEEN JUNCTION | FOREST HILL, Harford, MD | FCE On-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.