EPA Air · stack tests by county and year
Air-emissions stack tests in Butler County, Pennsylvania, 2023
- 18Stack 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 Butler County, Pennsylvania during 2023. 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 Butler County facility page.
Butler County, Pennsylvania, 2023
Air-emissions stack tests in Butler County, other years
Air-emissions stack tests recorded in Butler County, Pennsylvania, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-11-16 | BUTLER COLOR PRESS/BUTLER | Pass | State |
| 2023-11-15 | BUTLER COLOR PRESS/BUTLER | Pass | State |
| 2023-10-19 | MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT | Pass | State |
| 2023-10-16 | PINE RUN MIDSTREAM LLC/BICKER COMP STA | Pass | State |
| 2023-08-24 | RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA | Pass | State |
| 2023-08-22 | ETC NORTHEAST PIPELINE/GALAXY COMP STA | Pass | State |
| 2023-08-15 | MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA | Pass | State |
| 2023-08-02 | MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA | Pass | State |
| 2023-08-01 | UGI MORAINE EAST GATHERING LLC/RENICK COMP STA | Pass | State |
| 2023-07-20 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | Pass | State |
| 2023-07-18 | PINE RUN MIDSTREAM LLC/BASS COMP STA | Pass | State |
| 2023-06-27 | CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS | Pass | State |
| 2023-06-22 | ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA | Pass | State |
| 2023-05-24 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | Pass | State |
| 2023-05-04 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | Pass | State |
| 2023-04-25 | RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA | Pass | State |
| 2023-04-04 | LUXFER MAGTECH SAXONBURG PLT | Pass | State |
| 2023-03-08 | MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.