EPA Air · stack tests by state, industry and year
Pipeline transportation (NAICS 4862): stack tests in Maryland, 2023
- 8Stack 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 2023 at a Maryland source whose primary industry code is NAICS 4862. A facility filing more than one industry code is counted under the first one on its record.
Pipeline transportation (NAICS 4862) in Maryland, other years
Other industries in Maryland, 2023
Air-emissions stack tests recorded in Maryland, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-10-17 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | Pass | State |
| 2023-09-12 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | Pass | State |
| 2023-07-19 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2023-05-17 | TEXAS EASTERN TRANSMISSION | ACCIDENT, Garrett, MD | Pass | State |
| 2023-04-12 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2023-03-09 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Fail | State |
| 2023-03-02 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2023-03-01 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, 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.