EPA Air · stack tests by county and year
Air-emissions stack tests in Washington County, Pennsylvania, 2017
- 44Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Washington County, Pennsylvania during 2017. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Washington County facility page.
Washington County, Pennsylvania, 2017
Air-emissions stack tests in Washington County, other years
Air-emissions stack tests recorded in Washington County, Pennsylvania, 2017
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2017-12-01 | UNION ELEC STEEL CORP/HARMON CREEK | Pass | State |
| 2017-11-09 | MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | Pass | State |
| 2017-10-17 | NATL FUEL SUPPLY CORP/BUFFALO COMP STA | Pass | State |
| 2017-10-11 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | Pass | State |
| 2017-10-10 | MARKWEST LIBERTY MIDSTREAM/DRYER BOOSTER COMP STA | Pass | State |
| 2017-10-05 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/GODWIN COMP STA | Pass | State |
| 2017-10-05 | MARKWEST LIBERTY MID & RES / HOSKINS BOOSTER COMP STA | Pass | State |
| 2017-10-03 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2017-10-02 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | Pass | State |
| 2017-09-14 | EQM GATHERING OPCO LLC/KRYPTONITE COMP STA | Pass | State |
| 2017-09-13 | EQM GATHERING OPCO LLC/BLUE MOON COMP STA | Pass | State |
| 2017-09-08 | MARKWEST LIBERTY M&R/TUPTA DAY COMP STA | Pass | State |
| 2017-09-07 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2017-09-06 | MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA | Pass | State |
| 2017-08-29 | NORTHEAST PAVING/WASHINGTON PLANT | Pass | State |
| 2017-08-24 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA | Pass | State |
| 2017-08-22 | MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | Pass | State |
| 2017-08-17 | MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | Pass | State |
| 2017-08-08 | THERM O ROCK INC/NEW EAGLE PLT — high-priority violation on file | Pass | State |
| 2017-07-05 | EQT MIDSTREAM COMPANY LLC/DEEMSTON WICKS COMP STA | Pass | State |
| 2017-06-27 | EQM GATHERING OPCO LLC/MAKO COMP STA | Pass | State |
| 2017-06-16 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/REDD COMP STA | Pass | State |
| 2017-06-15 | MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | Pass | State |
| 2017-06-11 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA | Pass | State |
| 2017-06-09 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | Pass | State |
| 2017-06-01 | EQM GATHERING OPCO LLC/TWILIGHT COMP STA | Pass | State |
| 2017-05-19 | MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | Pass | State |
| 2017-05-16 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | Pass | State |
| 2017-05-16 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/REDD COMP STA | Pass | State |
| 2017-05-11 | MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA | Pass | State |
| 2017-05-10 | MARKWEST LIBERTY MIDST & RESOURCES/THREE BROTHERS COMP STA | Pass | State |
| 2017-04-29 | MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | Pass | State |
| 2017-04-26 | EQT PROD CO/MOJO COMPRESSOR UNIT | Pass | State |
| 2017-04-25 | MARKWEST LIBERTY MIDSTREAM/DRYER BOOSTER COMP STA | Pass | State |
| 2017-04-19 | MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | Pass | State |
| 2017-04-18 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2017-04-17 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | Pass | State |
| 2017-03-24 | MARKWEST LIBERTY MIDST & RESOURCES/THREE BROTHERS COMP STA | Pass | State |
| 2017-03-11 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | Pass | State |
| 2017-03-10 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2017-03-08 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | Pass | State |
| 2017-03-08 | MARKWEST LIBERTY M&R/TUPTA DAY COMP STA | Pass | State |
| 2017-02-07 | COLUMBIA GAS TRANS LLC/REDD FARM COMP STA | Pass | State |
| 2017-01-17 | NATL FUEL SUPPLY CORP/BUFFALO COMP STA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.