EPA Air · stack tests by state and year
Air-emissions stack tests in Maryland, 2020
- 46Stack 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 2020; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Maryland, 2020
- Anne Arundel County 13
- Baltimore (city) County 6
- Harford County 4
- Montgomery County 3
- Baltimore County 3
Maryland, other years
Air-emissions stack tests recorded in Maryland, 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-12-29 | LIFOAM INDUSTRIES, LLC | BELCAMP, Harford, MD | Pass | State |
| 2020-12-10 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-12-04 | AMRIZE - SPARROWS POINT FACILITY | SPARROWS POINT, Baltimore, MD | Fail | State |
| 2020-12-04 | GSA FEDERAL RESEARCH CENTER AT WHITE OAK | SILVER SPRING, Montgomery, MD | Pass | State |
| 2020-12-03 | U.S. COAST GUARD YARD - CURTIS BAY | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-12-02 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-12-02 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2020-12-02 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | Pass | State |
| 2020-11-11 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2020-10-21 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2020-10-20 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | Pass | State |
| 2020-10-15 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | Pass | State |
| 2020-09-27 | PSEG KEYS ENERGY CENTER | BRANDYWINE, Prince George's, MD | Pending | State |
| 2020-09-23 | METTIKI COAL, LLC | OAKLAND, Garrett, MD | Pass | State |
| 2020-08-26 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-08-25 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-08-20 | APG-ABERDEEN AREA | ABERDEEN PROVING GROUND, Harford, MD | Pass | State |
| 2020-08-13 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-08-12 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-08-06 | CATO-FITZWATER STREET TERMINAL | SALISBURY, Wicomico, MD | Pass | State |
| 2020-08-06 | CENTER POINT TERMINAL COMPANY, LLC | SALISBURY, Wicomico, MD | Pass | State |
| 2020-07-29 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-07-28 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-07-22 | EASTERN CORRECTIONAL INSTITUTION | WESTOVER, Somerset, MD | Pass | State |
| 2020-07-19 | GSA FEDERAL RESEARCH CENTER AT WHITE OAK | SILVER SPRING, Montgomery, MD | Pass | State |
| 2020-07-17 | CONSTELLATION POWER - PERRYMAN POWER PLANT | ABERDEEN, Harford, MD | Pass | State |
| 2020-07-16 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-07-15 | NAVAL SUPPORT FACILITY, INDIAN HEAD — high-priority violation on file | INDIAN HEAD, Charles, MD | Pass | State |
| 2020-07-14 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-07-08 | WILDCAT POINT GENERATION FACILITY | CONOWINGO, Cecil, MD | Pass | State |
| 2020-06-24 | SCHMIDT BAKING | NOTTINGHAM, Baltimore, MD | Pass | State |
| 2020-06-23 | SCHMIDT BAKING | NOTTINGHAM, Baltimore, MD | Pass | State |
| 2020-06-16 | W. R. GRACE & CO. - CONN. | CURTIS BAY, Baltimore (city), MD | Pass | State |
| 2020-06-09 | AES WARRIOR RUN | CUMBERLAND, Allegany, MD | Pass | State |
| 2020-05-21 | WHEELABRATOR BALTIMORE, LP | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2020-05-18 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2020-05-18 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2020-05-07 | AMERICAN SUGAR REFINING | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2020-05-06 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2020-04-28 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2020-04-21 | OAKS LANDFILL (GAS TO ENERGY) | LAYTONSVILLE, Montgomery, MD | Pass | State |
| 2020-03-10 | ALPHA RIDGE LANDFILL | MARRIOTTSVILLE, Howard, MD | Pass | State |
| 2020-02-06 | UNITED STATES GYPSUM COMPANY | CURTIS BAY, Baltimore (city), MD | Pass | State |
| 2020-01-15 | U.S. COAST GUARD YARD - CURTIS BAY | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-01-14 | UNION HOSPITAL | ELKTON, Cecil, MD | Pass | State |
| 2020-01-14 | UPPER CHESAPEAKE MEDICAL CENTER | BEL AIR, Harford, MD | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.