EPA Air · stack tests by county and year
Air-emissions stack tests in Washington County, Pennsylvania, 2018
- 46Stack 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 2018. 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, 2018
Air-emissions stack tests in Washington County, other years
Air-emissions stack tests recorded in Washington County, Pennsylvania, 2018
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2018-12-27 | MARKWEST LIBERTY MID & RES / HOSKINS BOOSTER COMP STA | Pass | State |
| 2018-11-14 | MARKWEST LIBERTY MIDSTREAM RES/DOWN HOME COMPRESSOR STATION | Pass | State |
| 2018-11-08 | MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | Pass | State |
| 2018-10-18 | COLUMBIA GAS TRANS CORP/DONEGAL COMP STA | Pass | State |
| 2018-10-17 | EQM GATHERING OPCO LLC/MCINTOSH COMP STA | Pass | State |
| 2018-10-08 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/GODWIN COMP STA | Pass | State |
| 2018-10-03 | MARKWEST LIBERTY MID & RES / HOSKINS BOOSTER COMP STA | Pass | State |
| 2018-10-02 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2018-10-01 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | Pass | State |
| 2018-08-28 | MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA | Pass | State |
| 2018-08-23 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA | Pass | State |
| 2018-08-21 | MARKWEST LIBERTY M&R/TUPTA DAY COMP STA | Pass | State |
| 2018-08-18 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | Pass | State |
| 2018-08-17 | MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | Pass | State |
| 2018-08-16 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2018-08-15 | MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | Pass | State |
| 2018-08-13 | EQM GATHERING OPCO LLC/BLUE MOON COMP STA | Pass | State |
| 2018-08-08 | EQM GATHERING OPCO LLC/KRYPTONITE COMP STA | Pass | State |
| 2018-07-13 | EQM GATHERING OPCO LLC/BLUE MOON COMP STA | Pass | State |
| 2018-07-11 | COLUMBIA GAS TRANS CORP/DONEGAL COMP STA | Pass | State |
| 2018-07-10 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA | Pass | State |
| 2018-05-30 | EQM GATHERING OPCO LLC/TWILIGHT COMP STA | Pass | State |
| 2018-05-14 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | Pass | State |
| 2018-05-10 | MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA | Pass | State |
| 2018-05-09 | MARKWEST LIBERTY MIDST & RESOURCES/THREE BROTHERS COMP STA | Pass | State |
| 2018-05-04 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/REDD COMP STA | Pass | State |
| 2018-05-03 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | Pass | State |
| 2018-05-02 | EQUITRANS LP/HARTSON | Pass | State |
| 2018-05-01 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA | Pass | State |
| 2018-04-17 | MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | Pass | State |
| 2018-04-16 | MARKWEST LIBERTY MIDSTREAM/DRYER BOOSTER COMP STA | Pass | State |
| 2018-04-13 | MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | Pass | State |
| 2018-04-11 | MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | Pass | State |
| 2018-04-10 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2018-04-09 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | Pass | State |
| 2018-04-06 | UGI GIBRALTAR GATHERING LLC/GIBRALTAR COMP STA | Pass | State |
| 2018-04-05 | CNX MIDSTREAM OPR CO LLC/NV-57 COMP STA | Pass | State |
| 2018-04-03 | EQT PROD CO/MOJO COMPRESSOR UNIT | Pass | State |
| 2018-03-24 | MARKWEST LIBERTY MIDST & RESOURCES/THREE BROTHERS COMP STA | Pass | State |
| 2018-03-09 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Pass | State |
| 2018-03-08 | MARKWEST LIBERTY M&R/TUPTA DAY COMP STA | Pass | State |
| 2018-03-07 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA | Pass | State |
| 2018-03-07 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | Pass | State |
| 2018-03-06 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | Pass | State |
| 2018-02-21 | UGI GIBRALTAR GATHERING LLC/GIBRALTAR COMP STA | Pass | State |
| 2018-02-01 | EQM GATHERING OPCO LLC/BLUE MOON COMP STA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.