EPA Air · stack tests by state, industry and year
Pipeline transportation (NAICS 4862): stack tests in Maryland, 2017
- 7Stack 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 2017 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, 2017
- Utilities (NAICS 2211) 21
- Hospitals (NAICS 6221) 7
- Nonmetallic mineral product manufacturing (NAICS 3273) 6
- Waste management and remediation (NAICS 5622) 6
- Professional, scientific and technical services (NAICS 5417) 5
Air-emissions stack tests recorded in Maryland, 2017
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2017-12-19 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2017-12-06 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | Pass | State |
| 2017-05-24 | TEXAS EASTERN TRANSMISSION | ACCIDENT, Garrett, MD | Pass | State |
| 2017-05-09 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2017-03-09 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2017-03-01 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2017-01-23 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, 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.