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
2020-12-10	POET BIOREFINING - COON RAPIDS, LLC	COON RAPIDS, Guthrie, IA	Pass	State
2020-12-10	ILLINOIS MUNICIPAL ELECTRIC AGENCY	FLORA, Clay, IL	Pass	State
2020-12-10	ARGONNE NATIONAL LABORATORY	LEMONT, DuPage, IL	Pass	State
2020-12-10	ARGONNE NATIONAL LABORATORY	LEMONT, DuPage, IL	Pass	State
2020-12-10	BUNGE NORTH AMERICA EAST LLC	DECATUR, Adams, IN	Pass	State
2020-12-10	BUNGE NORTH AMERICA EAST LLC	DECATUR, Adams, IN	Pass	State
2020-12-10	BUNGE NORTH AMERICA EAST LLC	DECATUR, Adams, IN	Pass	State
2020-12-10	TRADEBE TREATMENT AND RECYCLING LLC — high-priority violation on file	EAST CHICAGO, Lake, IN	Pass	State
2020-12-10	TRADEBE TREATMENT AND RECYCLING LLC — high-priority violation on file	EAST CHICAGO, Lake, IN	Pass	State
2020-12-10	HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file	MITCHELL, Lawrence, IN	Pass	State
2020-12-10	JOHNS MANVILLE INCORPORATED	RICHMOND, Wayne, IN	Pass	State
2020-12-10	JOHNS MANVILLE INCORPORATED	RICHMOND, Wayne, IN	Pass	State
2020-12-10	RAVEN POWER FORT SMALLWOOD LLC	CURTIS BAY, Anne Arundel, MD	Pass	State
2020-12-10	NORTHERN NATURAL GAS - ALBERT LEA	HARTLAND, Freeborn, MN	Pass	State
2020-12-10	EVERGY INC -IATAN GENERATING STATION	WESTON, Platte, MO	Pending	State
2020-12-10	EVERGY INC -IATAN GENERATING STATION	WESTON, Platte, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	NESTLE PURINA PETCARE COMPANY BLOOMFIELD	BLOOMFIELD, Stoddard, MO	Pending	State
2020-12-10	CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY	PASCAGOULA, Jackson, MS	Pass	State
2020-12-10	CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY	PASCAGOULA, Jackson, MS	Pass	State
2020-12-10	PCS PHOSPHATE COMPANY, INC. - AURORA	AURORA, Beaufort, NC	Pass	State
2020-12-10	IREDELL TRANSMISSION, LLC	STATESVILLE, Iredell, NC	Pass	State
2020-12-10	JOHNSTON COUNTY LANDFILL	SMITHFIELD, Johnston, NC	Pass	State
2020-12-10	CUMMINS INC.	WHITAKERS, Nash, NC	Pass	State
2020-12-10	MCALPINE CREEK WASTEWATER MANAGEMENT FACILITY	PINEVILLE, Mecklenburg, NC	Pass	Local
2020-12-10	MERRIMACK STATION	BOW, Merrimack, NH	Pass	State
2020-12-10	HHP INC.	HENNIKER, Merrimack, NH	Pass	State
2020-12-10	NEWARK BAY COGENERATION PARTNERSHIP	NEWARK, Essex, NJ	Pass	State
2020-12-10	REPUBLIC STEEL	CANTON, Stark, OH	Pass	State
2020-12-10	REPUBLIC STEEL	CANTON, Stark, OH	Pass	State
2020-12-10	REPUBLIC STEEL	CANTON, Stark, OH	Fail	State
2020-12-10	REPUBLIC STEEL	CANTON, Stark, OH	Pass	State
2020-12-10	REPUBLIC STEEL	CANTON, Stark, OH	Fail	State
2020-12-10	REPUBLIC STEEL	CANTON, Stark, OH	Fail	State
2020-12-10	REPUBLIC STEEL	CANTON, Stark, OH	Pass	State
2020-12-10	VALIDUS ENERGY II MIDCON LLC / RENBARGER CTB	BRIDGE CREEK, Grady, OK	Pass	State
2020-12-10	PHILLIPS 66 CO - PONCA CITY REFINERY / PONCA CITY REFINERY — high-priority violation on file	PONCA CITY, Kay, OK	Pass	State
2020-12-10	EMERALD FOREST PRODUCTS, INC.	EUGENE, Lane, OR	Pass	Local
2020-12-10	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	CABOT, Butler, PA	Pass	State
2020-12-10	VALLEY MEDICAL FACILITIES INC/HERITAGE VALLEY BEAVER	BEAVER, Beaver, PA	Fail	State
2020-12-10	ULMER BROTHERS	BLUFFTON, Beaufort, SC	Pass	State
2020-12-10	CHINA JUSHI USA CORPORATION — high-priority violation on file	COLUMBIA, Richland, SC	Pass	State
2020-12-10	PALMETTO LANDFILL & RECYCLING CENTER	WELLFORD, Spartanburg, SC	Pass	State
2020-12-10	WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM	PROCTOR, Marshall, WV	Pass	State
2020-12-10	EAKIN COMPRESSOR STATION (MOUNTAIN WEST PIPELINE, LLC)	UINTA COUNTY, Uinta, WY	Pass	State
2020-12-09	TARGA BADLANDS JUNCTION COMPRESSOR STATION	MCKENZIE COUNTY, McKenzie, ND	Pass	U.S. EPA
2020-12-09	JOHNSON COMPRESSOR STATION	MANDAREE, McKenzie, ND	Pass	U.S. EPA
2020-12-09	COTTONWOOD WASH COMPRESSOR STATION	VERNAL, Uintah, UT	Pass	U.S. EPA
2020-12-09	COTTONWOOD WASH COMPRESSOR STATION	VERNAL, Uintah, UT	Pass	U.S. EPA
2020-12-09	FLYWHEEL ENERGY COMPANY - PUMA NORTH CPF-1	WILBURN, Cleburne, AR	Pass	State
2020-12-09	DESOTO GATHERING COMPANY, LLC - CHARLEY CPF-4	HEBER SPRINGS, Cleburne, AR	Pass	State
2020-12-09	SACRAMENTO MUNICIPAL UTILITY DIST. FINANCING AUTHORITY DBA CAMPBELL POWER PLANT	SACRAMENTO, Sacramento, CA	Pass	Local
2020-12-09	KAISER ALUMINUM FABRICATED PRODUCTS	LOS ANGELES, Los Angeles, CA	Pass	Local
2020-12-09	B BRAUN MEDICAL	IRVINE, Orange, CA	Pass	Local
2020-12-09	EMD SPECIALTY MATERIALS, LLC ARLON EMD	RANCHO CUCAMONGA, San Bernardino, CA	Pass	Local
2020-12-09	EMD SPECIALTY MATERIALS, LLC ARLON EMD	RANCHO CUCAMONGA, San Bernardino, CA	Pass	Local
2020-12-09	WASTE MANAGEMENT - MIDWAY LANDFILL	FOUNTAIN, El Paso, CO	Pass	State
2020-12-09	PUBLIC SERVICE CO - HAYDEN PLT	HAYDEN, Routt, CO	Pass	State
2020-12-09	SIKORSKY AIRCRAFT - MAIN PLANT	STRATFORD, Fairfield, CT	Pass	State
2020-12-09	KING'S HAWAIIAN BAKERY	FLOWERY BRANCH, Hall, GA	Pass	State
2020-12-09	RAINBOW FERTILIZER, LLC	AMERICUS, Sumter, GA	Pass	State
2020-12-09	WESTERN IOWA ENERGY LLC	WALL LAKE, Sac, IA	Pass	State
2020-12-09	ELITE OCTANE, LLC — high-priority violation on file	ATLANTIC, Cass, IA	Pass	State
2020-12-09	NORTHWEST PIPELINE GP OWYHEE	RIDDLE, Owyhee, ID	Pass	State
2020-12-09	SCEPTER INCORPORATED	BICKNELL, Knox, IN	Pass	State
2020-12-09	SCEPTER INCORPORATED	BICKNELL, Knox, IN	Pass	State
2020-12-09	SCEPTER INCORPORATED	BICKNELL, Knox, IN	Pass	State
2020-12-09	SCEPTER INCORPORATED	BICKNELL, Knox, IN	Pass	State
2020-12-09	SCEPTER INCORPORATED	BICKNELL, Knox, IN	Pass	State

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