EPA Air · stack tests by year
Air-emissions stack tests in 2018
- 25,145Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2018
- California 7,098
- Ohio 2,476
- Oklahoma 1,684
- Indiana 1,605
- Florida 1,563
- Georgia 1,137
- Pennsylvania 813
- Alabama 645
- Texas 611
- Mississippi 598
- Arkansas 555
- Iowa 464
- Missouri 414
- Washington 394
- Colorado 353
- Wisconsin 280
- Montana 269
- North Carolina 261
- Michigan 259
- Wyoming 253
- South Carolina 252
- Minnesota 218
- Kentucky 200
- Kansas 195
- Delaware 194
- Alaska 178
- Illinois 165
- Nebraska 152
- Utah 137
- West Virginia 137
- Tennessee 129
- North Dakota 117
- Virginia 116
- New York 116
- Connecticut 114
- Nevada 101
- New Jersey 100
- Maine 88
- New Hampshire 83
- Oregon 83
- Idaho 77
- Hawaii 77
- South Dakota 67
- Arizona 61
- Maryland 58
- Louisiana 54
- Massachusetts 41
- District of Columbia 33
- New Mexico 31
- Vermont 20
- Rhode Island 10
- Puerto Rico 9
Other years
Air-emissions stack tests recorded in 2018
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2018-09-24 | KOKOSING MATERIALS INC - PLANT 514 — high-priority violation on file | GRAND RIVER, Lake, OH | Pass | State |
| 2018-09-24 | ONEOK HYDROCARBON LP / MEDFORD FRACTIONATOR — high-priority violation on file | MEDFORD, Grant, OK | Pass | State |
| 2018-09-24 | ONEOK HYDROCARBON LP / MEDFORD FRACTIONATOR — high-priority violation on file | MEDFORD, Grant, OK | Pass | State |
| 2018-09-24 | TPL ARKOMA HOLDINGS LLC / EAST ROCKPILE TREATER | MCALESTER, Pittsburg, OK | Pass | State |
| 2018-09-24 | TPL ARKOMA HOLDINGS LLC / EAST ROCKPILE TREATER | MCALESTER, Pittsburg, OK | Pass | State |
| 2018-09-24 | DCP OPERATING CO LP / SHOLEM GAS PLANT | VELMA, Stephens, OK | Pass | State |
| 2018-09-24 | REVOLUTION RESOURCES III LLC / BUCKLES 2513 13 14 24 PAD | DACOMA, Woods, OK | Pass | State |
| 2018-09-24 | UGI TEXAS CREEK LLC/JACKSON COMP STA | ROARING BRANCH, Tioga, PA | Pass | State |
| 2018-09-24 | UGI TEXAS CREEK LLC/LOVELL COMP STA | ROARING BRANCH, Tioga, PA | Pass | State |
| 2018-09-24 | SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file | PINEVILLE, Berkeley, SC | Pass | State |
| 2018-09-24 | RESONAC GRAPHITE AMERICA INC — high-priority violation on file | RIDGEVILLE, Dorchester, SC | Pass | State |
| 2018-09-24 | HUNTER FACILITY | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2018-09-24 | HUNTER FACILITY | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2018-09-24 | CEMEX CEMENT OF TEXAS | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2018-09-24 | NOURYON SURFACE CHEMISTRY FORT WORTH | FORT WORTH, Tarrant, TX | Pass | State |
| 2018-09-24 | WORZALLA INC | STEVENS POINT, Price, WI | Pass | State |
| 2018-09-24 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MOBLEY GAS PLANT | SMITHFIELD, Wetzel, WV | Pass | State |
| 2018-09-24 | GRANGER SODA ASH FACILITY (WE SODA WYOMING LP) | GRANGER, Sweetwater, WY | Pass | State |
| 2018-09-23 | HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2018-09-23 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2018-09-23 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2018-09-23 | PACKAGING CORPORATION OF AMERICA | CLYATTVILLE, Lowndes, GA | Pass | State |
| 2018-09-23 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2018-09-22 | ARCOSA LIGHTWEIGHT, FRAZIER PARK (1603) — high-priority violation on file | FRAZIER PARK, Ventura, CA | Pass | Local |
| 2018-09-21 | HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2018-09-21 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2018-09-21 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2018-09-21 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-21 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-21 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-21 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-21 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-21 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-21 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-21 | STERIGENICS US LLC | WILLOWBROOK, DuPage, IL | Pass | State |
| 2018-09-21 | SUBARU OF INDIANA AUTOMOTIVE INC — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2018-09-21 | ALPHA RIDGE LANDFILL | MARRIOTTSVILLE, Howard, MD | Pass | State |
| 2018-09-21 | UNIVERSITY OF MARYLAND | COLLEGE PARK, Prince George's, MD | Pass | State |
| 2018-09-21 | REGENERATE STRATTON LLC | STRATTON, Franklin, ME | Pass | State |
| 2018-09-21 | REGENERATE STRATTON LLC | STRATTON, Franklin, ME | Pass | State |
| 2018-09-21 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2018-09-21 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2018-09-21 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2018-09-21 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Fail | State |
| 2018-09-21 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Fail | State |
| 2018-09-21 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2018-09-21 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2018-09-21 | RAINBOW ENERGY CENTER, LLC - COAL CREEK STATION - AQ | UNDERWOOD, McLean, ND | Pass | State |
| 2018-09-21 | SCHILLER STATION COMBUSTION TURBINE | PORTSMOUTH, Rockingham, NH | Pass | State |
| 2018-09-21 | TURBOCAM, INC. | BARRINGTON, Strafford, NH | Pass | State |
| 2018-09-21 | GOLD QUARRY OPERATIONS — high-priority violation on file | CARLIN, Eureka, NV | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | DOMINION EAST OHIO - SWITZERLAND COMPRESSOR STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2018-09-21 | MAR ZANE PLANT NO 6 | ZANESVILLE, Muskingum, OH | Pass | State |
| 2018-09-21 | ET GATHERING PROCESSING LLC / DRY CREEK COMPRESSOR STATION | BURLINGTON, Alfalfa, OK | Pass | State |
| 2018-09-21 | PARK ENERGY SERVICES LLC / MIDCON HINTON SHOP | HINTON, Caddo, OK | Pass | State |
| 2018-09-21 | PARK ENERGY SERVICES LLC / MIDCON HINTON SHOP | HINTON, Caddo, OK | Pass | State |
| 2018-09-21 | COTERRA ENERGY OPERATING CO / KNIGHT 1H 0904X | OKARCHE, Canadian, OK | Pass | State |
| 2018-09-21 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2018-09-21 | GEORGIA-PACIFIC TOLEDO LLC — high-priority violation on file | TOLEDO, Lincoln, OR | Pass | State |
| 2018-09-21 | GEORGIA-PACIFIC TOLEDO LLC — high-priority violation on file | TOLEDO, Lincoln, OR | Pass | State |
| 2018-09-21 | LORD CORP/SAEGERTOWN | SAEGERTOWN, Crawford, PA | Fail | State |
| 2018-09-21 | WB COMM LDFL & RCYL CTR/WESTERN BERKS LDFL | BIRDSBORO, Berks, PA | Pass | State |
| 2018-09-21 | KLINES SVC LLC/SALUNGA | SALUNGA, Lancaster, PA | Pass | State |
| 2018-09-21 | REGENCY MARCELLUS GAS GATHERING LLC/SEVERCOOL STA | FORKSTON, Wyoming, PA | Pass | State |
| 2018-09-21 | WILLIAMS FIELD SVC CO LLC/MILLER COMP STA | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2018-09-21 | NEVILLE CHEM CO/PGH | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2018-09-21 | HM SOUTHEAST CEMENT LLC | HARLEYVILLE, Dorchester, SC | Pass | State |
| 2018-09-21 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Fail | State |
| 2018-09-21 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2018-09-21 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2018-09-21 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2018-09-21 | NORTHWEST PIPELINE GP SUMNER | SUMNER, Pierce, WA | Pass | Local |
| 2018-09-21 | NORTHWEST PIPELINE GP SUMNER | SUMNER, Pierce, WA | Pass | Local |
| 2018-09-21 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2018-09-21 | COLONY PLANT (BENTONITE PERFORMANCE MINERALS) | COLONY, Crook, WY | Pass | State |
| 2018-09-21 | COLONY PLANT (BENTONITE PERFORMANCE MINERALS) | COLONY, Crook, WY | Pass | State |
| 2018-09-20 | HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2018-09-20 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2018-09-20 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2018-09-20 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2018-09-20 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2018-09-20 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2018-09-20 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2018-09-20 | SOUTHERN NATURAL GAS | YORK, Sumter, AL | Pass | State |
| 2018-09-20 | SOUTHERN NATURAL GAS | YORK, Sumter, AL | Pass | State |
| 2018-09-20 | TWO RIVERS PREMIUM OILS, LLC. | PINE BLUFF, Jefferson, AR | Pass | State |
| 2018-09-20 | TWO RIVERS PREMIUM OILS, LLC. | PINE BLUFF, Jefferson, AR | Pass | State |
| 2018-09-20 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | Pass | Local |
| 2018-09-20 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.