EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-27 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-09-26 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2023-09-26 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2023-09-26 | CEMEX SOUTHEAST LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2023-09-26 | ENERGY DEVELOPMENTS DECATUR, LLC | TRINITY, Morgan, AL | Pass | State |
| 2023-09-26 | JOHNS MANVILLE INC. | PHENIX CITY, Russell, AL | Pass | State |
| 2023-09-26 | JOHNS MANVILLE INC. | PHENIX CITY, Russell, AL | Pass | State |
| 2023-09-26 | INTERNATIONAL PAPER | PINE HILL, Wilcox, AL | Pass | State |
| 2023-09-26 | INTERNATIONAL PAPER | PINE HILL, Wilcox, AL | Pass | State |
| 2023-09-26 | UNIVERSITY OF ALABAMA AT BIRMINGHAM | BIRMINGHAM, Jefferson, AL | Pending | Local |
| 2023-09-26 | DESOTO GATHERING COMPANY LLC - SOUTH BROWNIE CPF 2 | HATTIEVILLE, Conway, AR | Pass | State |
| 2023-09-26 | MMGK ARKOMA, LLC. - KIBLER COMPRESSOR | KIBLER, Crawford, AR | Pass | State |
| 2023-09-26 | ARKANSAS BIOENERGY, LLC - LEOLA | LEOLA, Grant, AR | Pass | State |
| 2023-09-26 | MERIT ENERGY COMPANY, LLC - PRICE COMPRESSOR | RUSSELLVILLE, Pope, AR | Pass | State |
| 2023-09-26 | MCGEORGE CONTRACTING CO., INC. - CRANFORD REYNOLDS ROAD ASPHALT PLANT | BRYANT, Saline, AR | Pass | State |
| 2023-09-26 | EL PASO NATURAL GAS CO - WILLIAMS COMPRESSOR STATION | WILLIAMS, Coconino, AZ | Pass | State |
| 2023-09-26 | TOPOCK LNG PLANT 1 COOLING WATER BLOWDOWN POND | TOPOCK, Mohave, AZ | Pass | State |
| 2023-09-26 | HUMBOLDT SAWMILL COMPANY — high-priority violation on file | SCOTIA, Humboldt, CA | Pass | Local |
| 2023-09-26 | OWENS-BROCKWAY GLASS CONTAINER — high-priority violation on file | VERNON, Los Angeles, CA | Pass | Local |
| 2023-09-26 | ULTRAMAR INC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2023-09-26 | MIZKAN AMERICAS INC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2023-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2023-09-26 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2023-09-26 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Fail | Local |
| 2023-09-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | EQUILON ENTERPRISES LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-26 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-26 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-26 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-26 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-26 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-26 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-26 | AURORA CONV CENT- GAYLORD ROCKIES RESORT | AURORA, Adams, CO | Pass | State |
| 2023-09-26 | TAMPA ELECTRIC COMPANY (TEC) | GIBSONTON, Hillsborough, FL | Pass | State |
| 2023-09-26 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
| 2023-09-26 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2023-09-26 | ATLANTA GAS LIGHT COMPANY - MACON LNG PLANT | MACON, Jones, GA | Pass | State |
| 2023-09-26 | SOWEGA POWER LLC | BACONTON, Mitchell, GA | Pass | State |
| 2023-09-26 | SOWEGA POWER LLC | BACONTON, Mitchell, GA | Pass | State |
| 2023-09-26 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-09-26 | TROJAN BATTERY COMPANY, LLC | SANDERSVILLE, Washington, GA | Pass | State |
| 2023-09-26 | TROJAN BATTERY COMPANY, LLC | SANDERSVILLE, Washington, GA | Pass | State |
| 2023-09-26 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2023-09-26 | ZINPRO CORP - SHELL ROCK | SHELL ROCK, Butler, IA | Fail | State |
| 2023-09-26 | ZINPRO CORP - SHELL ROCK | SHELL ROCK, Butler, IA | Pass | State |
| 2023-09-26 | NORTHERN NATURAL GAS CO-REDFIELD | REDFIELD (HISTORICAL), Dallas, IA | Pass | State |
| 2023-09-26 | AMES MUNICIPAL UTILITIES & COMBUST TURB | AMES, Story, IA | Pass | State |
| 2023-09-26 | BURKE CORP | NEVADA, Story, IA | Pass | State |
| 2023-09-26 | BURKE CORP | NEVADA, Story, IA | Fail | State |
| 2023-09-26 | BURKE CORP | NEVADA, Story, IA | Fail | State |
| 2023-09-26 | TITAN TIRE CORP OF FREEPORT | FREEPORT, Stephenson, IL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.