EPA Air · stack tests by state and year

Air-emissions stack tests in Pennsylvania, 2023

889Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Pennsylvania during 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Pennsylvania, 2023

Pennsylvania, other years

Air-emissions stack tests recorded in Pennsylvania, 2023

Date	Facility	Where	Kind	Agency
2023-02-03	USS CORP/EDGAR THOMSON WORKS — high-priority violation on file	BRADDOCK, Allegheny, PA	Pass	Local
2023-02-03	VICINITY ENERGY EFFICIENCY PA, LLC — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-02-03	VICINITY ENERGY EFFICIENCY PA, LLC — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-02-02	PA DHS/DANVILLE STATE HOSP	DANVILLE, Montour, PA	Pass	State
2023-02-02	CONSOL PA COAL CO LLC/BAILEY PREP PLT — high-priority violation on file	WEST FINLEY, Greene, PA	Pass	State
2023-02-02	SWN PRODUCTION CO LLC/KING NORTH 3H	NEW MILFORD, Susquehanna, PA	Pass	State
2023-02-02	EXPAND OPERATING LLC/WOOSMAN PAD	NEW MILFORD, Susquehanna, PA	Pass	State
2023-02-02	EXPAND OPERATING LLC/MCENANEY BRA PAD	NEW ALBANY, Bradford, PA	Pass	State
2023-02-02	VICINITY ENERGY EFFICIENCY PA, LLC — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-02-01	M SIMON ZOOK CO DBA GOLDEN BARREL PROD/LEOLA	LEOLA, Lancaster, PA	Pass	State
2023-02-01	OXBOW CREEK ENERGY LLC/ FACTORYVILLE	FACTORYVILLE, Wyoming, PA	Fail	State
2023-02-01	SWN ENERGY PROD CO/SEYMOUR PAD	LAWTON, Bradford, PA	Pass	State
2023-02-01	EXPAND OPERATING LLC/DEER PARK PAD COMP STA	MEHOOPANY, Wyoming, PA	Pass	State
2023-02-01	EQM GATHERING OPCO LLC/REDD DEHY STATION	CHARLEROI, Washington, PA	Pass	State
2023-02-01	USS CORP/EDGAR THOMSON WORKS — high-priority violation on file	BRADDOCK, Allegheny, PA	Pass	Local
2023-02-01	USS CORP/EDGAR THOMSON WORKS — high-priority violation on file	BRADDOCK, Allegheny, PA	Pass	Local
2023-02-01	VICINITY ENERGY EFFICIENCY PA, LLC — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-01-31	REGENCY MARCELLUS GAS GATHERING/CANOE RUN COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2023-01-31	EQM GATHERING OPCO LLC/SNAPPING TURTLE COMP STA	WIND RIDGE, Greene, PA	Pass	State
2023-01-29	UNITED REFINING CO/WARREN PLT	WARREN, Warren, PA	Pass	State
2023-01-27	WILLIAMS FIELD SVC CO LLC/CHURCH COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-01-26	LEHIGH WHITE CEMENT CO LLC/YORK	YORK, York, PA	Pass	State
2023-01-26	WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-01-26	UNIV OF PGH/PGH CAMPUS	PITTSBURGH, Allegheny, PA	Pass	Local
2023-01-25	PEPPERIDGE FARM INC/DOWNINGTOWN	DOWNINGTOWN, Chester, PA	Pass	State
2023-01-25	PA STATE UNIV/UNIV PARK CAMPUS	UNIVERSITY PARK, Centre, PA	Pass	State
2023-01-25	EQM GATHERING OPCO LLC/JUPITER COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-25	EQM GATHERING OPCO LLC/JUPITER COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-25	LAUREL MTN MIDSTREAM OPR LLC/CANTARAL COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-25	UNIV OF PGH/PGH CAMPUS	PITTSBURGH, Allegheny, PA	Pass	Local
2023-01-25	UNIV OF PGH/PGH CAMPUS	PITTSBURGH, Allegheny, PA	Pass	Local
2023-01-25	ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-01-24	TEXAS EASTERN TRANS LP/UNIONTOWN STA — high-priority violation on file	LEMONT FURNACE, Fayette, PA	Pass	State
2023-01-24	HOMER CITY GEN LP/CENTER TWP	HOMER CITY, Indiana, PA	Pass	State
2023-01-24	TEXAS EASTERN TRANS LP/BECHTELSVILLE	BECHTELSVILLE, Berks, PA	Pass	State
2023-01-24	CHIEF GATHERING LLC/PMG ANNIE WELLPAD	NICHOLSON, Susquehanna, PA	Pass	State
2023-01-23	NFG MIDSTREAM COVINGTON LLC/CLARK COMP STA	MAINESBURG, Tioga, PA	Pass	State
2023-01-20	TEXAS EASTERN TRANS LP/ENTRIKEN STA	ENTRIKEN, Huntingdon, PA	Pass	State
2023-01-20	GREENVILLE METALS INC/TRANSFER	TRANSFER, Mercer, PA	Pass	State
2023-01-20	ELLWOOD CITY FORGE/ELLWOOD CITY	ELLWOOD CITY, Lawrence, PA	Fail	State
2023-01-20	BARRY CALLEBAUT USA LLC/EDDYSTONE	EDDYSTONE, Delaware, PA	Pass	State
2023-01-19	PA DEPT OF CORR/FOREST SCI	MARIENVILLE, Forest, PA	Pass	State
2023-01-19	ADELPHIA GATEWAY LLC/MARCUS HOOK COMPRESSOR STA	LINWOOD, Delaware, PA	Pass	State
2023-01-18	CLEVELAND CLIFFS PLATE/COATESVILLE	COATESVILLE, Chester, PA	Pass	State
2023-01-18	HERNDON RELOAD CO/HERNDON PLT	HERNDON, Northumberland, PA	Pass	State
2023-01-18	SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file	MONACA, Beaver, PA	Fail	State
2023-01-18	EQM GATHERING OPCO LLC/IO COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-18	ADELPHIA GATEWAY LLC/QUAKERTOWN COMPRESSOR STA	QUAKERTOWN, Bucks, PA	Pass	State
2023-01-17	COLUMBIA GAS TRANS CORP/HELLERTOWN CT	HELLERTOWN, Northampton, PA	Pass	State
2023-01-17	SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file	MONACA, Beaver, PA	Fail	State
2023-01-17	EXPAND OPERATING LLC/HOLTAN SUS WELLPAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-01-16	SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file	MONACA, Beaver, PA	Fail	State
2023-01-13	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2023-01-12	ROHM & HAAS CO/BRISTOL	BRISTOL, Bucks, PA	Pass	State
2023-01-12	GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file	WEST HAZLETON, Luzerne, PA	Fail	State
2023-01-12	GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file	WEST HAZLETON, Luzerne, PA	Fail	State
2023-01-12	GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file	WEST HAZLETON, Luzerne, PA	Pass	State
2023-01-12	UNION ELEC STEEL CORP/HARMON CREEK	BURGETTSTOWN, Washington, PA	Pass	State
2023-01-12	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2023-01-12	NFG MIDSTREAM COVINGTON LLC/MATZ COMP STA	CHATHAM, Tioga, PA	Pass	State
2023-01-12	HEP PENNSYLVANIA GATHERING LLC/TIOGA CPF#2 COMP STA	LIBERTY, Tioga, PA	Pass	State
2023-01-11	PECORA CORP/PECORA	HARLEYSVILLE, Montgomery, PA	Pass	State
2023-01-11	NATL FUEL SUPPLY CORP/BUFFALO COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-01-11	EXCO APPALACHIA MIDSTREAM LLC/POVERTY HILL COMP STA	KITTANNING, Armstrong, PA	Pass	State
2023-01-11	REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA	CANTON, Bradford, PA	Pass	State
2023-01-11	EQM GATHERING OPCO LLC/BLUE MOON COMP STA	DAISYTOWN, Washington, PA	Pass	State
2023-01-11	XPRESS NATURAL GAS LLC/MONTROSE — high-priority violation on file	MONTROSE, Susquehanna, PA	Fail	State
2023-01-11	EXPAND OPERATING LLC/MARIS SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-01-11	HEP PA GATHERING LLC/MARSHALL BOOSTER COMP STA	ROARING BRANCH, Lycoming, PA	Pass	State
2023-01-10	CLARION BOARDS/CLARION PLT	SHIPPENVILLE, Clarion, PA	Pending	State
2023-01-10	ACCUPAC INC/MAINLAND	MAINLAND, Montgomery, PA	Pass	State
2023-01-10	CARLISLE CONST MATLS/HUNTER PANEL PLT — high-priority violation on file	SMITHFIELD, Fayette, PA	Fail	State
2023-01-10	REGENCY MARCELLUS GAS GATHERING LLC/MEHOOPANY STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-01-10	CNX MIDSTREAM OPR CO LLC/HOPEWELL STATION	SYCAMORE, Greene, PA	Pass	State
2023-01-10	WILLIAMS FIELD SVC CO LLC/GIBSON COMP STA	SOUTH GIBSON, Susquehanna, PA	Pass	State
2023-01-10	EXPAND OPERATING LLC/YVONNE SUS PAD	LAWTON, Susquehanna, PA	Pass	State
2023-01-09	REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ EAST COMP STA	JERSEY SHORE, Lycoming, PA	Pass	State
2023-01-09	NATL FUEL GAS SUPPLY CORP/MERCER COMP STA	MERCER, Mercer, PA	Pass	State
2023-01-09	WILLIAMS FIELD SVC CO LLC/MILLER COMP STA	NEW MILFORD, Susquehanna, PA	Pass	State
2023-01-09	EXPAND OPERATING LLC/CANNELLA SUS PAD	MONTROSE, Susquehanna, PA	Pass	State
2023-01-09	EXPAND OPERATING LLC/NR-23 FOUR BUCKS PAD	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-01-09	EXPAND OPERATING LLC/RU-47 KARMAZIN PAD	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-01-05	ETC NORTHEAST FLD SVC LLC/PIKE COMP STA	ROCHESTER, Beaver, PA	Pass	State
2023-01-05	WILLIAMS FIELD SVC CO LLC/WHITE COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-01-04	COLUMBIA GAS TRANS CORP/GETTYSBURG COMP STA	GETTYSBURG, Adams, PA	Pass	State
2023-01-04	KEYSTONE PORTLAND CEMENT/EAST ALLEN — high-priority violation on file	BATH, Northampton, PA	Pass	State
2023-01-04	REGENCY MARCELLUS GAS GATHERING LLC/QUAKER STATE RD COMP STA	MONTOURSVILLE, Lycoming, PA	Pass	State
2023-01-04	EQM GATHERING OPCO LLC/CYGRYMUS COMP STA	NEW FREEPORT, Greene, PA	Pass	State
2023-01-03	COLUMBIA GAS TRANS CORP/WAYNESBURG COMP STA	WAYNESBURG, Greene, PA	Pass	State

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