EPA Air · stack tests by year

Air-emissions stack tests in 2020

33,437Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit.

States, 2020

Other years

Air-emissions stack tests recorded in 2020

Date	Facility	Where	Kind	Agency
2020-10-13	MICHIGAN STATE UNIVERSITY	EAST LANSING, Ingham, MI	Pass	State
2020-10-13	SAPPI CLOQUET LLC	CLOQUET, Carlton, MN	Pass	State
2020-10-13	COLUMBIA GULF TRANSMISSION LLC, CORINTH COMPRESSOR STATION	CORINTH, Alcorn, MS	Pass	State
2020-10-13	COLUMBIA GULF TRANSMISSION LLC, CORINTH COMPRESSOR STATION	CORINTH, Alcorn, MS	Pass	State
2020-10-13	COLUMBIA GULF TRANSMISSION LLC, CORINTH COMPRESSOR STATION	CORINTH, Alcorn, MS	Pass	State
2020-10-13	YELLOWSTONE POWER PLANT — high-priority violation on file	BILLINGS, Yellowstone, MT	Pass	State
2020-10-13	THE QUARTZ CORP USA - PINE MOUNTAIN	SPRUCE PINE, Mitchell, NC	Pass	State
2020-10-13	INGREDION, INC. — high-priority violation on file	WINSTON-SALEM, Forsyth, NC	Pass	Local
2020-10-13	INGREDION, INC. — high-priority violation on file	WINSTON-SALEM, Forsyth, NC	Pass	Local
2020-10-13	INGREDION, INC. — high-priority violation on file	WINSTON-SALEM, Forsyth, NC	Pass	Local
2020-10-13	ALGONQUIN GAS TRANSMISSION CO	HANOVER, Morris, NJ	Pass	State
2020-10-13	KIRKER ENTERPRISES INC	PATERSON, Passaic, NJ	Fail	State
2020-10-13	NORTH VALMY GENERATING STATION	VALMY, Humboldt, NV	Pass	State
2020-10-13	KOKOSING MATERIALS INC PLANT 519	CLEVELAND, Cuyahoga, OH	Pass	State
2020-10-13	HANOVERTON COMPRESSOR STATION	HANOVERTON, Columbiana, OH	Pass	State
2020-10-13	HANOVERTON COMPRESSOR STATION	HANOVERTON, Columbiana, OH	Pass	State
2020-10-13	HANOVERTON COMPRESSOR STATION	HANOVERTON, Columbiana, OH	Pass	State
2020-10-13	HANOVERTON COMPRESSOR STATION	HANOVERTON, Columbiana, OH	Pass	State
2020-10-13	HANOVERTON COMPRESSOR STATION	HANOVERTON, Columbiana, OH	Pass	State
2020-10-13	HANOVERTON COMPRESSOR STATION	HANOVERTON, Columbiana, OH	Pass	State
2020-10-13	CERTAINTEED LLC	MILAN, Erie, OH	Pass	State
2020-10-13	CERTAINTEED LLC	MILAN, Erie, OH	Pass	State
2020-10-13	MIDDLETOWN COKE COMPANY, LLC — high-priority violation on file	MIDDLETOWN, Butler, OH	Pass	State
2020-10-13	MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file	CANTON, Stark, OH	Pass	State
2020-10-13	MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file	CANTON, Stark, OH	Pass	State
2020-10-13	MARKWEST OKLAHOMA GAS CO LLC / WOMACK COMPRESSOR STATION	COALGATE, Coal, OK	Pass	State
2020-10-13	UNBRIDLED RESOURCES LLC / JIMMIE JOYCE CTB PRODUCTION FACILITY	ARNETT, Ellis, OK	Pass	State
2020-10-13	FORMENTERA OPERATIONS / JUANITA 2 12HM SMITTY 2 13H	BRECKINRIDGE, Garfield, OK	Pass	State
2020-10-13	FORMENTERA OPERATIONS / TENNYSON 2 20H PAD	HUNTER, Garfield, OK	Pass	State
2020-10-13	MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION	KINGFISHER, Kingfisher, OK	Pass	State
2020-10-13	MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION	KINGFISHER, Kingfisher, OK	Pass	State
2020-10-13	DEVON ENERGY PRODUCTION CO LP / CASSOWARY 3 27 16N 8W 1HXX	OKARCHE, Kingfisher, OK	Pass	State
2020-10-13	DEVON ENERGY PRODUCTION CO LP / SAFARI CTB	OKARCHE, Kingfisher, OK	Pass	State
2020-10-13	DEVON ENERGY PRODUCTION CO LP / SAFARI CTB	OKARCHE, Kingfisher, OK	Pass	State
2020-10-13	EOG RESOURCES INC / HAWK DUAL CTB	NEWCASTLE, McClain, OK	Pass	State
2020-10-13	EOG RESOURCES INC / HAWK DUAL CTB	NEWCASTLE, McClain, OK	Pass	State
2020-10-13	OG AND E / SOONER GENERATING STATION	RED ROCK, Noble, OK	Pass	State
2020-10-13	ONEOK FIELD SERVICES CO LLC / WICKHAM LATERAL COMPRESSOR STATION	LEEDEY, Roger Mills, OK	Pass	State
2020-10-13	HAMPTON LUMBER MILLS, INC. DBA TILLAMOOK LUMBER CO	TILLAMOOK, Tillamook, OR	Pass	State
2020-10-13	COLUMBIA GAS TRANS CORP/ELLWOOD CITY STA	ELLWOOD CITY, Beaver, PA	Pass	State
2020-10-13	DUNMORE INTERNATIONAL CORP/BRISTOL	BRISTOL, Bucks, PA	Pass	State
2020-10-13	EQUITRANS LP/REDHOOK COMPRESSOR STATION	WAYNESBURG, Greene, PA	Pass	State
2020-10-13	INTERNATIONAL PAPER - GEORGETOWN MILL	GEORGETOWN, Georgetown, SC	Pass	State
2020-10-13	SANTEE COOPER WINYAH GENERATING STATION	GEORGETOWN, Georgetown, SC	Pass	State
2020-10-13	BIOENERGY DEVELOPMENT GROUP, LLC	MEMPHIS, Shelby, TN	Incomplete	Local
2020-10-13	NEXPERA LLC	NORTH CHESTERFIELD, Chesterfield, VA	Pass	State
2020-10-13	MICROSOFT	WARRENTON, Fauquier, VA	Pass	State
2020-10-13	QUIKRETE OF VIRGINIA	CHESAPEAKE, Chesapeake (city), VA	Pass	State
2020-10-13	CUMBERLAND MUNICIPAL UTILITY	CUMBERLAND, Barron, WI	Pass	State
2020-10-13	AMERICAN PACKAGING CORP	COLUMBUS, Columbia, WI	Pass	State
2020-10-13	MAYNARD STEEL CASTING CO	MILWAUKEE, Monroe, WI	Pass	State
2020-10-13	ARCADIA MUNICIPAL ELECTRIC	ARCADIA, Vernon, WI	Pass	State
2020-10-13	APPALACHIA MIDSTREAM SERVICES, L.L.C., PIONEER FACILITY	WHEELING, Ohio, WV	Pass	State
2020-10-13	RINER STATION (SOUTHERN STAR CENTRAL GAS PIPELINE)	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2020-10-13	JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2020-10-13	JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2020-10-12	BIG RIVER STEEL LLC	OSCEOLA, Mississippi, AR	Pass	State
2020-10-12	GIW INDUSTRIES, INC.	GROVETOWN, Columbia, GA	Pass	State
2020-10-12	AES HAWAII	KAPOLEI, Honolulu, HI	Pass	State
2020-10-12	PAR - REFINERY — high-priority violation on file	KAPOLEI, Honolulu, HI	Pass	State
2020-10-12	MECO - PALAAU	PALAAU, Maui, HI	Pass	State
2020-10-12	BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file	WHITING, Lake, IN	Pass	State
2020-10-12	BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file	WHITING, Lake, IN	Pass	State
2020-10-12	BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file	WHITING, Lake, IN	Pass	State
2020-10-12	BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file	WHITING, Lake, IN	Pass	State
2020-10-12	SOUTHERN NATURAL GAS CO - TOCA COMPRESSOR STATION	ST. BERNARD, St. Bernard, LA	Pass	State
2020-10-12	HARLAND SANITARY LANDFILL/MANISTEE COUNTY LANDFILL — high-priority violation on file	MANISTEE, Manistee, MI	Pass	State
2020-10-12	ADM - MARSHALL	MARSHALL, Lyon, MN	Pass	State
2020-10-12	COLUMBIA GULF TRANSMISSION LLC, INVERNESS COMPRESSOR STATION	INVERNESS, Humphreys, MS	Pass	State
2020-10-12	COLUMBIA GULF TRANSMISSION LLC, INVERNESS COMPRESSOR STATION	INVERNESS, Humphreys, MS	Pass	State
2020-10-12	COLUMBIA GULF TRANSMISSION LLC, INVERNESS COMPRESSOR STATION	INVERNESS, Humphreys, MS	Pass	State
2020-10-12	COLUMBIA GULF TRANSMISSION LLC, INVERNESS COMPRESSOR STATION	INVERNESS, Humphreys, MS	Pass	State
2020-10-12	ASH GROVE CEMENT	CLANCY, Jefferson, MT	Pass	State
2020-10-12	GARRETT FED COM FACILITY	MALAGA, Eddy, NM	Pass	State
2020-10-12	GARRETT FED COM FACILITY	MALAGA, Eddy, NM	Pass	State
2020-10-12	ET GATHERING PROCESSING LLC / HAYSTACK COMPRESSOR STATION	WATONGA, Blaine, OK	Pass	State
2020-10-12	ET GATHERING PROCESSING LLC / HAYSTACK COMPRESSOR STATION	WATONGA, Blaine, OK	Pass	State
2020-10-12	ET GATHERING PROCESSING LLC / RELAY CREEK COMPRESSOR STATION	GREENFIELD, Blaine, OK	Pass	State
2020-10-12	PARK ENERGY SERVICES LLC / MIDCON HINTON SHOP	HINTON, Caddo, OK	Pass	State
2020-10-12	PARK ENERGY SERVICES LLC / MIDCON HINTON SHOP	HINTON, Caddo, OK	Pass	State
2020-10-12	PARK ENERGY SERVICES LLC / MIDCON HINTON SHOP	HINTON, Caddo, OK	Pass	State
2020-10-12	DEVON ENERGY PRODUCTION CO LP / DUANE 1H	CALUMET, Canadian, OK	Pass	State
2020-10-12	DEVON ENERGY PRODUCTION CO LP / CINDY LOU 27 13N 9W 2H BEARD 34 13N 9	CALUMET, Canadian, OK	Pass	State
2020-10-12	MARKWEST OKLAHOMA GAS CO LLC / DUNN COMPRESSOR STATION	STUART, Hughes, OK	Pass	State
2020-10-12	TOM STACK LLC / CHISHOLM PLANT	CASHION, Kingfisher, OK	Pass	State
2020-10-12	MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION	KINGFISHER, Kingfisher, OK	Pass	State
2020-10-12	EOG RESOURCES INC / BANSHEE 2029 1H	BLANCHARD, McClain, OK	Pass	State
2020-10-12	EOG RESOURCES INC / MCMAHAN CTB	NEWCASTLE, McClain, OK	Pass	State
2020-10-12	MTN GATHERING/ADAMS COMP STA	VANDERBILT, Fayette, PA	Pass	State
2020-10-12	KOHLER COMPANY - VITREOUS PLANT	KOHLER, Taylor, WI	Pass	State
2020-10-12	APPALACHIA MIDSTREAM SERVICES, L.L.C., THREEDUBS STATION	WELLSBURG, Brooke, WV	Pass	State
2020-10-12	MOUNTAIN GATHERING, LLC, MCCLELLAND STATION	WORTHINGTON, Marion, WV	Pass	State
2020-10-11	ALA IMUA	KAPOLEI, Honolulu, HI	Incomplete	State
2020-10-11	UNITED GRAIN CORPORATION — high-priority violation on file	VANCOUVER, Clark, WA	Pass	Local
2020-10-11	UNITED GRAIN CORPORATION — high-priority violation on file	VANCOUVER, Clark, WA	Pass	Local
2020-10-10	HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2)	NORTH SLOPE BOROUGH, North Slope, AK	Pass	State
2020-10-10	MONDELEZ GLOBAL LLC - RICHMOND BAKERY	RICHMOND, Henrico, VA	Pass	State
2020-10-10	BP WEST COAST PRODUCTS LLC — high-priority violation on file	BLAINE, Whatcom, WA	Pass	Local
2020-10-09	FREEBIRD GAS STORAGE	DETROIT, Lamar, AL	Pass	State
2020-10-09	AMRIZE CEMENT, INC.	THEODORE, Mobile, AL	Pass	State

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