EPA Air · stack tests by county and year

Air-emissions stack tests in Marshall County, West Virginia, 2020

32Stack 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 Marshall County, West Virginia during 2020. 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 Marshall County facility page.

Marshall County, West Virginia, 2020

Air-emissions stack tests in Marshall County, other years

Air-emissions stack tests recorded in Marshall County, West Virginia, 2020

Date	Facility	Kind	Agency
2020-12-10	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	Pass	State
2020-12-04	EQT XL MIDSTREAM OPERATING LLC, LEGACY CONDENSATE PAD	Pass	State
2020-11-20	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	Pass	State
2020-11-19	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	Pass	State
2020-11-17	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	Pass	State
2020-11-12	CNX MIDSTREAM OPERATING COMPANY LLC, DRY RIDGE STATION	Pass	State
2020-11-06	MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE	Pass	State
2020-11-04	APPALACHIA MIDSTREAM SERVICES, L.L.C., PLEASANTS	Pass	State
2020-10-20	KENTUCKY POWER COMPANY, MITCHELL PLANT	Pass	State
2020-10-07	WILLIAMS OHIO VALLEY MIDSTREAM LLC, OAK GROVE	Pass	State
2020-10-06	WILLIAMS OHIO VALLEY MIDSTREAM LLC, CORLEY STATION	Pass	State
2020-10-05	WILLIAMS OHIO VALLEY MIDSTREAM LLC, BURCH RIDGE ST	Pass	State
2020-09-30	APPALACHIA MIDSTREAM SERVICES, L.L.C., MILLER STATION	Pass	State
2020-09-03	APPALACHIA MIDSTREAM SERVICES, L.L.C., SAND HILL STATION	Pass	State
2020-07-27	EQT XL MIDSTREAM OPERATING LLC, PAYNE STATION	Pass	State
2020-07-15	APPALACHIA MIDSTREAM SERVICES, L.L.C., SAND HILL STATION	Pass	State
2020-06-30	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	Pass	State
2020-06-24	KENTUCKY POWER COMPANY, MITCHELL PLANT	Pass	State
2020-06-16	SWN PRODUCTION COMPANY, LLC, FORK RIDGE PAD	Pass	State
2020-05-29	BLUE RACER MIDSTREAM, LLC, NATRIUM EXTRACTION & FRACTIONA	Pass	State
2020-05-27	MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE	Pass	State
2020-05-15	MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE	Pass	State
2020-05-13	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	Pass	State
2020-05-08	UGI APPALACHIA, LLC, MAJORSVILLE	Pass	State
2020-05-05	CNX MIDSTREAM OPERATING COMPANY LLC, DRY RIDGE STATION	Pass	State
2020-03-31	COLUMBIA GAS TRANSMISSION, LLC, LONE OAK STATION	Pass	State
2020-03-25	COVESTRO LLC, NEW MARTINSVILLE	Pass	State
2020-02-25	MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE	Pass	State
2020-02-06	KENTUCKY POWER COMPANY, MITCHELL PLANT	Pass	State
2020-02-05	KENTUCKY POWER COMPANY, MITCHELL PLANT	Pass	State
2020-01-29	KENTUCKY POWER COMPANY, MITCHELL PLANT	Pass	State
2020-01-22	KENTUCKY POWER COMPANY, MITCHELL PLANT	Pass	State

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