EPA Air · stack tests by county and year

Air-emissions stack tests in Butler County, Pennsylvania, 2019

28Stack 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 2019. 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, 2019

Air-emissions stack tests in Butler County, other years

Air-emissions stack tests recorded in Butler County, Pennsylvania, 2019

Date	Facility	Kind	Agency
2019-12-09	SONNEBORN INC/PETROLIA PLT	Pass	State
2019-11-14	BNZ MATERIALS INC/ZELIENOPLE	Fail	State
2019-10-25	MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA	Pass	State
2019-10-23	ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA	Pass	State
2019-10-18	MTN GATHERING LLC/JEFFERSON COMP STA	Pass	State
2019-10-16	MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT	Pass	State
2019-10-11	MTN GATHERING LLC/FORWARD COMP STA	Pass	State
2019-10-10	COMMERCIAL ASPHALT SUPPLY/FENELTON	Pass	State
2019-10-02	COHERENT CORP SAXONBURG PLT	Pass	State
2019-09-03	MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA	Pass	State
2019-08-26	UGI MORAINE EAST GATHERING LLC/RENICK COMP STA	Pass	State
2019-08-13	SENECA LANDFILL INC/SENECA	Pass	State
2019-08-07	MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA	Pass	State
2019-08-01	MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT	Pass	State
2019-08-01	PINE RUN MIDSTREAM LLC/BASS COMP STA	Pass	State
2019-07-30	CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS	Pass	State
2019-07-18	UGI MORAINE EAST GATHERING LLC/RENICK COMP STA	Pass	State
2019-06-20	ERVIN IND INC/AMASTEEL DIVISION	Pass	State
2019-06-05	BUTLER VA HEALTH CARE SYSTEM	Pass	State
2019-06-03	MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT	Pass	State
2019-05-16	RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA	Pass	State
2019-05-08	BUTLER COLOR PRESS/BUTLER	Pass	State
2019-05-07	BUTLER COLOR PRESS/BUTLER	Pass	State
2019-05-02	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	Pass	State
2019-04-26	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	Pass	State
2019-03-28	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	Pass	State
2019-03-19	MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STA	Pass	State
2019-02-25	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	Pass	State

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