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 |
|---|---|---|---|---|
| 2018-11-08 | KNAUF INSULATION INCORPORATED — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2018-11-08 | KNAUF INSULATION INCORPORATED — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2018-11-08 | KNAUF INSULATION INCORPORATED — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2018-11-08 | KNAUF INSULATION INCORPORATED — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2018-11-08 | KNAUF INSULATION INCORPORATED — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2018-11-08 | HALLADOR POWER COMPANY LLC MEROM GENERATING STATION — high-priority violation on file | SULLIVAN, Sullivan, IN | Pass | State |
| 2018-11-08 | STERLING MUNICIPAL POWER PLANT (AIR) | STERLING, Rice, KS | Pass | State |
| 2018-11-08 | MPLX TERMINALS LLC - LEXINGTON TERMINAL | LEXINGTON, Fayette, KY | Pass | State |
| 2018-11-08 | CENTURY ALUMINUM OF KY LLC | HAWESVILLE, Hancock, KY | Pass | State |
| 2018-11-08 | U S STEEL GREAT LAKES WORKS — high-priority violation on file | ECORSE, Wayne, MI | Pass | State |
| 2018-11-08 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-11-08 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-11-08 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-11-08 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-11-08 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-11-08 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-11-08 | ARAUCO NORTH AMERICA, INC. | MONCURE, Chatham, NC | Pass | State |
| 2018-11-08 | SAINT-GOBAIN ADFORS AMERICA, INC. | LEXINGTON, Davidson, NC | Pass | State |
| 2018-11-08 | OPPD SARPY COUNTY STATION | BELLEVUE, Sarpy, NE | Pass | State |
| 2018-11-08 | MERRIMACK STATION | BOW, Merrimack, NH | Pass | State |
| 2018-11-08 | BAYONNE ENERGY CENTER | BAYONNE, Hudson, NJ | Pass | State |
| 2018-11-08 | TS POWER PLANT | DUNPHY, Eureka, NV | Pass | State |
| 2018-11-08 | EQUUSTOCK | QUEENSBURY, Washington, NY | Pass | State |
| 2018-11-08 | MILLER-MASON PAVING CO., INC. | HILLSBORO, Highland, OH | Fail | State |
| 2018-11-08 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2018-11-08 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2018-11-08 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2018-11-08 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2018-11-08 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2018-11-08 | D&J PRINTING INC. (DBA SHERIDAN OHIO) | BRIMFIELD, TOWNSHIP OF, Portage, OH | Pass | State |
| 2018-11-08 | ET GATHERING PROCESSING LLC / CARMEN COMPRESSOR STATION | CARMEN, Alfalfa, OK | Pass | State |
| 2018-11-08 | EOG RESOURCES INC / DUFORT 0631 1H PRODUCTION FACILITY | BLANCHARD, McClain, OK | Pass | State |
| 2018-11-08 | EOG RESOURCES INC / DUFORT 0631 1H PRODUCTION FACILITY | BLANCHARD, McClain, OK | Pass | State |
| 2018-11-08 | REVOLUTION RESOURCES III LLC / BOYCE PAD | DACOMA, Woods, OK | Pass | State |
| 2018-11-08 | SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file | SHENANDOAH, Schuylkill, PA | Pass | State |
| 2018-11-08 | UGI AUBURN GATHERING LLC/AUBURN COMP STA | AUBURN, Susquehanna, PA | Pass | State |
| 2018-11-08 | MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | BURGETTSTOWN, Washington, PA | Pass | State |
| 2018-11-08 | RED CEDAR GATHERING COMPANY - SAMBRITO COMPRESSOR STATION | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2018-11-08 | RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION | LA PLATA COUNTY, La Plata, CO | Pass | State |
| 2018-11-08 | RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION | LA PLATA COUNTY, La Plata, CO | Fail | State |
| 2018-11-08 | RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION | LA PLATA COUNTY, La Plata, CO | Pass | State |
| 2018-11-08 | SATELLITE 3 COMPRESSOR STATION | CARTHAGE, Panola, TX | Pass | State |
| 2018-11-08 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2018-11-08 | PUGET SOUND ENERGY - ENCOGEN | BELLINGHAM, Whatcom, WA | Pass | Local |
| 2018-11-08 | GREAT LAKES GAS TRANSMISSION-COMP STATION #6 | IRON RIVER, Bayfield, WI | Pass | State |
| 2018-11-08 | BUFFALO WHITE SANDS LLC | MONDOVI, Buffalo, WI | Pass | State |
| 2018-11-08 | MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLE | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2018-11-08 | MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLE | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2018-11-08 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2018-11-07 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2018-11-07 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2018-11-07 | GAS PROCESSORS, INC. | BROOKLYN, Conecuh, AL | Pass | State |
| 2018-11-07 | AMRIZE CEMENT, INC. | THEODORE, Mobile, AL | Fail | State |
| 2018-11-07 | DCP MIDSTREAM | CODEN, Mobile, AL | Pass | State |
| 2018-11-07 | RESOLUTE FP US INC. | COOSA PINES, Talladega, AL | Pass | State |
| 2018-11-07 | RESOLUTE FP US INC. | COOSA PINES, Talladega, AL | Pass | State |
| 2018-11-07 | RESOLUTE FP US INC. | COOSA PINES, Talladega, AL | Pass | State |
| 2018-11-07 | RESOLUTE FP US INC. | COOSA PINES, Talladega, AL | Pass | State |
| 2018-11-07 | ALABAMA MUNICIPAL ELECTRIC AUTHORITY | SYLACAUGA, Talladega, AL | Pass | State |
| 2018-11-07 | SOUTHWESTERN ELECTRIC POWER COMPANY D/B/A FLINT CREEK POWER PLANT | GENTRY, Benton, AR | Pass | State |
| 2018-11-07 | ANTHONY TIMBERLANDS, INC. - MALVERN | MALVERN, Hot Spring, AR | Pass | State |
| 2018-11-07 | ANTHONY TIMBERLANDS, INC. - MALVERN | MALVERN, Hot Spring, AR | Pass | State |
| 2018-11-07 | MISSION VALLEY ROCK CO — high-priority violation on file | SUNOL, Alameda, CA | Pass | Local |
| 2018-11-07 | PG&E- TOPOCK | NEEDLES, San Bernardino, CA | Pass | Local |
| 2018-11-07 | TORRANCE REFINING COMPANY LLC | TORRANCE, Los Angeles, CA | Pass | Local |
| 2018-11-07 | TORRANCE REFINING COMPANY LLC | TORRANCE, Los Angeles, CA | Pass | Local |
| 2018-11-07 | EL SEGUNDO ENERGY CENTER LLC | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2018-11-07 | GLENDALE CITY, GLENDALE WATER & POWER | GLENDALE, Los Angeles, CA | Pending | Local |
| 2018-11-07 | TREND OFFSET PRINTING SERVICES INC — high-priority violation on file | LOS ALAMITOS, Orange, CA | Pass | Local |
| 2018-11-07 | SENTINEL ENERGY CENTER LLC | NORTH PALM SPRINGS, Riverside, CA | Pass | Local |
| 2018-11-07 | CALIFORNIA STEEL INDUSTRIES INC — high-priority violation on file | FONTANA, San Bernardino, CA | Pass | Local |
| 2018-11-07 | CALIFORNIA STEEL INDUSTRIES INC — high-priority violation on file | FONTANA, San Bernardino, CA | Pass | Local |
| 2018-11-07 | CALIFORNIA STEEL INDUSTRIES INC — high-priority violation on file | FONTANA, San Bernardino, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | CHEVRON USA | LOST HILLS, Kern, CA | Pass | Local |
| 2018-11-07 | GRAND RIVER GATHERING, LLC- HIGH MESA CS | PARACHUTE 2.5 MI. S OF, Garfield, CO | Pass | State |
| 2018-11-07 | GRAND RIVER GATHERING, LLC- HIGH MESA CS | PARACHUTE 2.5 MI. S OF, Garfield, CO | Pass | State |
| 2018-11-07 | GRAND RIVER GATHERING, LLC- HIGH MESA CS | PARACHUTE 2.5 MI. S OF, Garfield, CO | Pass | State |
| 2018-11-07 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2018-11-07 | ENERGY CENTER DOVER, LLC — high-priority violation on file | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2018-11-07 | ENERGY CENTER DOVER, LLC — high-priority violation on file | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2018-11-07 | ENERGY CENTER DOVER, LLC — high-priority violation on file | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2018-11-07 | ENERGY CENTER DOVER, LLC — high-priority violation on file | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2018-11-07 | ENERGY CENTER DOVER, LLC — high-priority violation on file | DOVER (KENT,DE), New Castle, DE | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.