EPA Air · stack tests by state, industry and year
Waste management and remediation (NAICS 5622): stack tests in Maryland, 2025
- 11Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a Maryland source whose primary industry code is NAICS 5622. A facility filing more than one industry code is counted under the first one on its record.
Waste management and remediation (NAICS 5622) in Maryland, other years
Other industries in Maryland, 2025
- Utilities (NAICS 2211) 12
- Pipeline transportation (NAICS 4862) 7
- Hospitals (NAICS 6221) 4
- Nonmetallic mineral product manufacturing (NAICS 3273) 4
- Food manufacturing (NAICS 3118) 3
Air-emissions stack tests recorded in Maryland, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-23 | MONTGOMERY COUNTY RRF — high-priority violation on file | DICKERSON, Montgomery, MD | Fail | State |
| 2025-12-16 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2025-10-23 | EASTERN SANITARY LANDFILL | WHITE MARSH, Baltimore, MD | Pass | State |
| 2025-10-21 | MILLERSVILLE LANDFILL | SEVERN, Anne Arundel, MD | Pass | State |
| 2025-09-25 | MONTGOMERY COUNTY RRF — high-priority violation on file | DICKERSON, Montgomery, MD | Fail | State |
| 2025-09-25 | MONTGOMERY COUNTY RRF — high-priority violation on file | DICKERSON, Montgomery, MD | Pass | State |
| 2025-08-12 | ALPHA RIDGE LANDFILL | MARRIOTTSVILLE, Howard, MD | Pass | State |
| 2025-07-10 | WHEELABRATOR BALTIMORE, LP | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2025-06-06 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Fail | State |
| 2025-04-09 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Fail | State |
| 2025-01-09 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.