Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Butler County, Pennsylvania, 2017

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

DateFacilityKindAgency
2017-12-11MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLTPassState
2017-11-02MTN GATHERING LLC/JEFFERSON COMP STAPassState
2017-10-27MTN GATHERING LLC/FORWARD COMP STAPassState
2017-10-24MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLTPassState
2017-10-16MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLTPassState
2017-09-12MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STAPassState
2017-08-11MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STAPassState
2017-07-26BNZ MATERIALS INC/ZELIENOPLEFailState
2017-07-20CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKSPassState
2017-05-17ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on filePassState
2017-05-17RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STAPassState
2017-03-23MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STAPassState
2017-03-23ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STAPassState
2017-03-01UGI MORAINE EAST GATHERING LLC/RENICK COMP STAPassState
2017-02-08MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLTPassState
2017-01-06ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STAPassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Butler county, PA, in 2017. It lists 16 stack tests recorded in 2017.