EPA Air · stack tests by state and year
Air-emissions stack tests in Maryland, 2019
- 54Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Maryland during 2019; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Maryland, 2019
- Anne Arundel County 15
- Montgomery County 8
- Baltimore (city) County 7
- Prince George's County 4
- Carroll County 3
Maryland, other years
Air-emissions stack tests recorded in Maryland, 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-12-21 | AES WARRIOR RUN | CUMBERLAND, Allegany, MD | Pass | State |
| 2019-12-17 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-12-04 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-12-04 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2019-12-03 | PSEG KEYS ENERGY CENTER | BRANDYWINE, Prince George's, MD | Pass | State |
| 2019-11-22 | AMERICAN SUGAR REFINING | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2019-11-06 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2019-11-05 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | Pass | State |
| 2019-10-30 | W. R. GRACE & CO. - CONN. | CURTIS BAY, Baltimore (city), MD | Pass | State |
| 2019-10-29 | CRISFIELD ENERGY CENTER | CRISFIELD, Somerset, MD | Pass | State |
| 2019-10-15 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2019-10-10 | MEDIMMUNE, INC. | GAITHERSBURG, Montgomery, MD | Pass | State |
| 2019-10-08 | MEDIMMUNE, INC. | GAITHERSBURG, Montgomery, MD | Pass | State |
| 2019-10-03 | ADELPHI LABORATORY CENTER | ADELPHI, Prince George's, MD | Pass | State |
| 2019-10-03 | GAYLORD ENTERTAINMENT COMPANY — high-priority violation on file | OXON HILL, Prince George's, MD | Pass | State |
| 2019-09-29 | PSEG KEYS ENERGY CENTER | BRANDYWINE, Prince George's, MD | Fail | State |
| 2019-09-27 | CPV MARYLAND, LLC - ST. CHARLES PROJECT | WALDORF, Charles, MD | Pass | State |
| 2019-09-25 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2019-09-19 | SPARTECH LLC - SALISBURY | SALISBURY, Wicomico, MD | Pass | State |
| 2019-09-18 | METTIKI COAL, LLC | OAKLAND, Garrett, MD | Pass | State |
| 2019-09-12 | CONSTELLATION POWER - PERRYMAN POWER PLANT | ABERDEEN, Harford, MD | Pass | State |
| 2019-09-05 | BUCKEYE TERMINALS, LLC - BALTIMORE TERMINAL | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2019-08-29 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-08-29 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-08-22 | NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | GAITHERSBURG, Montgomery, MD | Pass | State |
| 2019-08-15 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-08-14 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-08-09 | NAVAL SUPPORT ACTIVITY ANNAPOLIS | NAVAL ACADEMY, Anne Arundel, MD | Pass | State |
| 2019-08-08 | CONSTELLATION POWER - PERRYMAN POWER PLANT | ABERDEEN, Harford, MD | Fail | State |
| 2019-08-08 | MONTGOMERY COUNTY RRF — high-priority violation on file | DICKERSON, Montgomery, MD | Pass | State |
| 2019-08-07 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-07-30 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-07-18 | SUNOCO TERMINAL | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2019-07-17 | WILDCAT POINT GENERATION FACILITY | CONOWINGO, Cecil, MD | Pass | State |
| 2019-07-17 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2019-07-17 | SUNOCO TERMINAL | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2019-07-16 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | Pass | State |
| 2019-06-06 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2019-06-06 | NAVAL SUPPORT FACILITY, INDIAN HEAD — high-priority violation on file | INDIAN HEAD, Charles, MD | Pass | State |
| 2019-05-23 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2019-05-22 | TEXAS EASTERN TRANSMISSION | ACCIDENT, Garrett, MD | Pass | State |
| 2019-05-08 | OAKS LANDFILL (GAS TO ENERGY) | LAYTONSVILLE, Montgomery, MD | Pass | State |
| 2019-04-28 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2019-04-18 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2019-04-10 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | Pass | State |
| 2019-03-22 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-03-13 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | Pass | State |
| 2019-03-05 | NATIONAL INSTITUTES OF HEALTH | BETHESDA, Montgomery, MD | Pass | State |
| 2019-01-31 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-01-29 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-01-23 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-01-16 | NATIONAL INSTITUTES OF HEALTH | BETHESDA, Montgomery, MD | Pass | State |
| 2019-01-15 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2019-01-09 | GSA FEDERAL RESEARCH CENTER AT WHITE OAK | SILVER SPRING, Montgomery, MD | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.