EPA Air · stack tests by county and year

Air-emissions stack tests in Butler County, Pennsylvania, 2018

21Stack 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 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 Butler County facility page.

Butler County, Pennsylvania, 2018

Air-emissions stack tests in Butler County, other years

Air-emissions stack tests recorded in Butler County, Pennsylvania, 2018

Date	Facility	Kind	Agency
2018-10-25	MTN GATHERING LLC/JEFFERSON COMP STA	Pass	State
2018-10-18	MTN GATHERING LLC/FORWARD COMP STA	Pass	State
2018-10-15	CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS	Pass	State
2018-10-12	MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT	Pass	State
2018-10-11	ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA	Pass	State
2018-08-31	MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA	Pass	State
2018-08-08	MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA	Pass	State
2018-07-24	PINE RUN MIDSTREAM LLC/BASS COMP STA	Pass	State
2018-07-19	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	Pass	State
2018-07-15	CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS	Fail	State
2018-07-03	HARSCO METALS/BUTLER	Pass	State
2018-06-21	UGI MORAINE EAST GATHERING LLC/RENICK COMP STA	Pass	State
2018-06-14	MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT	Pass	State
2018-05-16	RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA	Pass	State
2018-05-15	CRANBERRY TWP BRUSH CREEK WPCF	Pass	State
2018-05-01	ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA	Pass	State
2018-04-30	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	Pass	State
2018-04-24	UGI MORAINE EAST GATHERING LLC/RENICK COMP STA	Pass	State
2018-03-22	MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STA	Pass	State
2018-02-02	CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS	Pass	State
2018-01-12	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.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Butler, PA, in 2018. It lists 21 stack tests recorded in 2018.