EPA Air · stack tests by county and year
Air-emissions stack tests in Butler County, Pennsylvania, 2017
- 16Stack 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 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 Butler County facility page.
Butler County, Pennsylvania, 2017
Air-emissions stack tests in Butler County, other years
Air-emissions stack tests recorded in Butler County, Pennsylvania, 2017
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2017-12-11 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | Pass | State |
| 2017-11-02 | MTN GATHERING LLC/JEFFERSON COMP STA | Pass | State |
| 2017-10-27 | MTN GATHERING LLC/FORWARD COMP STA | Pass | State |
| 2017-10-24 | MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT | Pass | State |
| 2017-10-16 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | Pass | State |
| 2017-09-12 | MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA | Pass | State |
| 2017-08-11 | MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA | Pass | State |
| 2017-07-26 | BNZ MATERIALS INC/ZELIENOPLE | Fail | State |
| 2017-07-20 | CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS | Pass | State |
| 2017-05-17 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | Pass | State |
| 2017-05-17 | RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA | Pass | State |
| 2017-03-23 | MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STA | Pass | State |
| 2017-03-23 | ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA | Pass | State |
| 2017-03-01 | UGI MORAINE EAST GATHERING LLC/RENICK COMP STA | Pass | State |
| 2017-02-08 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | Pass | State |
| 2017-01-06 | ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.