EPA Air · stack tests by state, industry and year

Mining support (NAICS 2131): stack tests in Pennsylvania, 2023

39Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2023 at a Pennsylvania source whose primary industry code is NAICS 2131. A facility filing more than one industry code is counted under the first one on its record.

Mining support (NAICS 2131) in Pennsylvania, other years

Other industries in Pennsylvania, 2023

Air-emissions stack tests recorded in Pennsylvania, 2023

Date	Facility	Where	Kind	Agency
2023-12-21	SWN PROD CO FIONDI SITE COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-11-15	EXPAND OPERATING LLC/RU-46 DROPP WELLPAD	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-11-15	PREMIER WELL SITE — high-priority violation on file	WILLIAMSPORT, Lycoming, PA	Pass	State
2023-11-14	SOUTHWESTERN ENERGY CO/RACINE 5H	NEW MILFORD, Susquehanna, PA	Pass	State
2023-11-14	PA GEN ENERGY CO LLC/COP TRACT 596 PAD B	ROARING BRANCH, Tioga, PA	Pass	State
2023-11-08	EXPAND OPERATING LLC/RU-71 BLUE BECK WELLPAD	MILFORD, Susquehanna, PA	Pass	State
2023-11-07	SWN PROD CO LLC/GAYLORD 3H	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-10-19	EXPAND OPERATING LLC/ROSIEMAR SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-10-18	SOUTHWESTERN ENERGY CO/SCARLET OAK 1H	NEW MILFORD, Susquehanna, PA	Pass	State
2023-10-17	GREENTREE BOOSTER COMPRESSOR/ BROCKWAY	BROCKWAY, Elk, PA	Pass	State
2023-10-06	MARKWEST LIBERTY MID & RES / HOSKINS BOOSTER COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2023-09-15	MARKWEST LIBERTY MID & RES / HOSKINS BOOSTER COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2023-09-14	CNX MIDSTREAM OPR CO LLC /MORRIS DEHY STATION	GRAYSVILLE, Greene, PA	Pass	State
2023-09-13	SOUTHWESTERN ENERGY CO/KOZIOL 5H-6H	NEW MILFORD, Susquehanna, PA	Pass	State
2023-09-12	MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file	HICKORY, Washington, PA	Pass	State
2023-08-21	HILCORP ENERGY CO/LACKAWANNOCK LARMON CTL FAC	MERCER, Mercer, PA	Pass	State
2023-08-15	MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA	HARMONY, Butler, PA	Pass	State
2023-08-15	BKV OPR LLC/PLUSHANSKI WELL PAD	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-08-03	NFG MIDSTREAM TROUT RUN LLC/HAGERMAN GAS & PROC METERING FAC	TROUT RUN, Lycoming, PA	Pass	State
2023-06-29	REGENCY MARCELLUS GATHERING LLC/CHAPIN DEHY FAC	MONROE TOWNSHIP, Wyoming, PA	Pass	State
2023-06-21	CNX MIDSTREAM OPR CO LLC /MORRIS DEHY STATION	GRAYSVILLE, Greene, PA	Pass	State
2023-06-14	REPSOL OIL & GAS USA LLC/WATKINS HILL RD	COLUMBIA CROSS ROADS, Bradford, PA	Pass	State
2023-05-31	XTO ENERGY INC/WINSLOW	REYNOLDSVILLE, Jefferson, PA	Pass	State
2023-05-22	HILCORP ENERGY CO/MAHONING SIEGEL FACILITY — high-priority violation on file	EDINBURG, Lawrence, PA	Pass	State
2023-05-16	ELKHORN GAS PROC LLC/KANE PLT	KANE, McKean, PA	Pass	State
2023-05-09	SOUTHWESTERN ENERGY CO/TNT LIMITED PARTNERSHIP WEST 6H	NEW MILFORD, Susquehanna, PA	Pass	State
2023-05-02	SWN PROD CO FIONDI SITE COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-04-19	SUSQUEHANNA GATHERING CO 1 LLC/CDP 3	NEW MILFORD, Susquehanna, PA	Fail	State
2023-04-18	EQT PROD CO/MOJO COMPRESSOR UNIT	WASHINGTON, Washington, PA	Pass	State
2023-04-14	SUSQUEHANNA GATHERING CO 1 LLC/CDP 2	NEW MILFORD, Susquehanna, PA	Pass	State
2023-04-13	MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART	MOUNT PLEASANT, Washington, PA	Pass	State
2023-04-13	PA GEN ENERGY CO LLC/FISK HOLLOW PAD A	ROULETTE, Potter, PA	Fail	State
2023-04-10	MARKWEST LIBERTY MIDSTREAM/DRYER BOOSTER COMP STA	AVELLA, Washington, PA	Pass	State
2023-03-29	MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file	HICKORY, Washington, PA	Pass	State
2023-03-16	REPSOL OIL & GAS USA LLC/WATKINS HILL RD	COLUMBIA CROSS ROADS, Bradford, PA	Pass	State
2023-02-27	MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART	MOUNT PLEASANT, Washington, PA	Pass	State
2023-02-13	APPALACHIA MIDSTREAM SVC LLC/RED FOX CDP	FOX, Sullivan, PA	Pass	State
2023-02-07	LEWIS RUN GAS PLANT LLC/LEWIS RUN GAS PLANT	BRADFORD, McKean, PA	Pass	State
2023-02-02	SWN PRODUCTION CO LLC/KING NORTH 3H	NEW MILFORD, Susquehanna, PA	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.