EPA Air · stack tests by year
Air-emissions stack tests in 2022
- 29,136Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2022
- California 10,813
- Ohio 2,355
- Indiana 1,925
- Florida 1,564
- Oklahoma 1,350
- Georgia 1,096
- New Mexico 981
- Pennsylvania 830
- Alabama 630
- Mississippi 577
- Arkansas 562
- Colorado 460
- Iowa 434
- Missouri 359
- Texas 288
- Michigan 288
- Wisconsin 262
- Washington 260
- North Carolina 252
- Kentucky 245
- Wyoming 241
- Minnesota 236
- South Carolina 228
- West Virginia 210
- Delaware 209
- Utah 162
- Montana 155
- Nebraska 143
- Nevada 137
- Illinois 136
- Tennessee 134
- Louisiana 131
- Alaska 131
- Virginia 126
- Maine 116
- Connecticut 115
- Arizona 114
- New York 113
- North Dakota 110
- New Jersey 104
- Idaho 99
- Hawaii 69
- District of Columbia 60
- South Dakota 55
- Maryland 52
- Oregon 49
- New Hampshire 48
- Puerto Rico 39
- Kansas 37
- Rhode Island 23
- Massachusetts 19
- Vermont 4
Other years
Air-emissions stack tests recorded in 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | CRIMSON RESOURCE MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-19 | CRIMSON RESOURCE MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-19 | CRIMSON RESOURCE MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-19 | ID CASTINGS OF ILLINOIS LLC — high-priority violation on file | MARTINSVILLE, Clark, IL | Pass | State |
| 2022-12-19 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2022-12-19 | ADAC AUTOMOTIVE MUSKEGON PLANTS | MUSKEGON, Muskegon, MI | Pass | State |
| 2022-12-19 | DRY CREEK FIELD STATION 056 | RED LODGE, Carbon, MT | Pass | State |
| 2022-12-19 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2022-12-19 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | Pass | State |
| 2022-12-19 | EL CAMPEON CTB 17S | JAL, Lea, NM | Pass | State |
| 2022-12-19 | TARGA PIPELINE MIDCONTINENT LLC / MATHEWS COMPRESSOR STATION | WILSON, Carter, OK | Pass | State |
| 2022-12-19 | TARGA PIPELINE MIDCONTINENT LLC / MATHEWS COMPRESSOR STATION | WILSON, Carter, OK | Pass | State |
| 2022-12-19 | CONTINENTAL RESOURCES / LEON 2 26 23 14XHM | VELMA, Stephens, OK | Pass | State |
| 2022-12-19 | CONTINENTAL RESOURCES / LEON 3 26 23 14XHM | VELMA, Stephens, OK | Pass | State |
| 2022-12-19 | ASPEN AEROGELS, INC. — high-priority violation on file | EAST PROVIDENCE, Providence, RI | Pass | State |
| 2022-12-19 | LONE STAR SPECIALTY PRODUCTS | LONE STAR, Morris, TX | N/A | State |
| 2022-12-19 | LANXESS CORPORATION — high-priority violation on file | KALAMA, Cowlitz, WA | Pass | Local |
| 2022-12-19 | LANXESS CORPORATION — high-priority violation on file | KALAMA, Cowlitz, WA | Pass | Local |
| 2022-12-19 | WISCONSIN PUBLIC SERVICE CORP - DE PERE | DE PERE, Brown, WI | Pass | State |
| 2022-12-19 | CHARLESTON, CITY OF, CHARLESTON SANITARY LANDFILL | CHARLESTON, Kanawha, WV | Pass | State |
| 2022-12-19 | DELRIN USA, LLC, DELRIN USA - WASHINGTON WORKS | WASHINGTON, Wood, WV | Pass | State |
| 2022-12-18 | ALOHA PETROLEUM - HONOLULU | HONOLULU, Honolulu, HI | Pass | State |
| 2022-12-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-12-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-12-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-12-17 | COLLINS TREE SERVICE PIT | NEWPORT, Carteret, NC | Pass | State |
| 2022-12-17 | MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLE | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2022-12-16 | DESOTO GATHERING COMPANY LLC - SOUTH BROWNIE CPF 2 | HATTIEVILLE, Conway, AR | Pass | State |
| 2022-12-16 | EASTERN MUNICIPAL WATER DISTRICT | TEMECULA, Riverside, CA | Pass | Local |
| 2022-12-16 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2022-12-16 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2022-12-16 | ARGONNE NATIONAL LABORATORY | LEMONT, DuPage, IL | Pass | State |
| 2022-12-16 | DUKE ENERGY INDIANA LLC - GIBSON GENERATING STATION | OWENSVILLE, Gibson, IN | Pass | State |
| 2022-12-16 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2022-12-16 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2022-12-16 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2022-12-16 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2022-12-16 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2022-12-16 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2022-12-16 | VEOLIA WTS SOLUTIONS USA INC | MINNETONKA, Hennepin, MN | Pass | State |
| 2022-12-16 | ADCAMP INC | FLOWOOD, Rankin, MS | Pass | State |
| 2022-12-16 | WILLISTON BASIN - MONARCH STATION | BAKER, Fallon, MT | Pass | State |
| 2022-12-16 | WILLISTON BASIN - MONARCH STATION | BAKER, Fallon, MT | Pass | State |
| 2022-12-16 | GARRETT FED COM FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2022-12-16 | RED HILLS COMPRESSOR STATION | BENNETT, Lea, NM | Pass | State |
| 2022-12-16 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | LAS VEGAS, Clark, NV | Pass | Local |
| 2022-12-16 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | LAS VEGAS, Clark, NV | Pass | Local |
| 2022-12-16 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-12-16 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-12-16 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-12-16 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-12-16 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-12-16 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-12-16 | TARGA PIPELINE MIDCONTINENT LLC / BRAWLEY COMPRESSOR STATION | LINDSAY, Garvin, OK | Pass | State |
| 2022-12-16 | MARKWEST OKLAHOMA GAS CO LLC / KERNS CANAAN POD 5 COMPRESSOR STATION | MCALESTER, Pittsburg, OK | Pass | State |
| 2022-12-16 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2022-12-16 | PIXELLE SPEC SOLUTIONS LLC/SPRING GROVE — high-priority violation on file | SPRING GROVE, York, PA | Pass | State |
| 2022-12-16 | HATFIELD TWP MUNI AUTH/COLMAR | COLMAR, Montgomery, PA | Fail | State |
| 2022-12-16 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | N/A | State |
| 2022-12-16 | ARLANXEO ORANGE SITE | WEST ORANGE, Orange, TX | N/A | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.