EPA Air · stack tests by county and year
Air-emissions stack tests in Butler County, Pennsylvania, 2024
- 23Stack 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 2024. 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, 2024
- Inspections 100
Air-emissions stack tests in Butler County, other years
Air-emissions stack tests recorded in Butler County, Pennsylvania, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-11-13 | IRON MOUNTAIN INFORMATION MANAGEMENT LLC/BOYERS | Pass | State |
| 2024-10-18 | PINE RUN MIDSTREAM LLC/BICKER COMP STA | Pass | State |
| 2024-10-01 | MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT | Pass | State |
| 2024-08-29 | UGI MORAINE EAST GATHERING LLC/RENICK COMP STA | Pass | State |
| 2024-08-28 | RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA | Pass | State |
| 2024-08-22 | ETC NORTHEAST PIPELINE/GALAXY COMP STA | Pass | State |
| 2024-08-21 | MTN GATHERING LLC/JEFFERSON COMP STA | Pass | State |
| 2024-08-21 | MTN GATHERING LLC/JEFFERSON COMP STA | Pass | State |
| 2024-08-16 | MTN GATHERING LLC/FORWARD COMP STA | Pass | State |
| 2024-08-13 | XTO ENERGY PATTON UNIT PAD/BUTLER | Pass | State |
| 2024-08-13 | XTO ENERGY GEIBEL WELLPAD/BUTLER | Pass | State |
| 2024-08-02 | ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA | Pass | State |
| 2024-08-01 | MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA | Pass | State |
| 2024-07-31 | PINE RUN MIDSTREAM LLC/BICKER COMP STA | Pass | State |
| 2024-07-30 | MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA | Pass | State |
| 2024-07-17 | CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS | Pass | State |
| 2024-07-16 | PINE RUN MIDSTREAM LLC/BASS COMP STA | Pass | State |
| 2024-06-26 | PINE RUN MIDSTREAM LLC/BASS COMP STA | Pass | State |
| 2024-06-14 | ERVIN IND INC/AMASTEEL DIVISION | Pass | State |
| 2024-05-14 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | Pass | State |
| 2024-03-27 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | Pass | State |
| 2024-03-06 | MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STA | Pass | State |
| 2024-03-06 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.