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
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-04 | TRUSTEES OF CSU & CSUCI SITE AUTHORITY | CAMARILLO, Ventura, CA | Pass | Local |
| 2020-11-04 | NRO - AEROSPACE DATA FACIITY (ADF-C) | AURORA, Arapahoe, CO | Pass | State |
| 2020-11-04 | NRO - AEROSPACE DATA FACIITY (ADF-C) | AURORA, Arapahoe, CO | Pass | State |
| 2020-11-04 | GRAND RIVER GATHERING - PUMBA CS | RIFLE 3.4 MI. S OF, Garfield, CO | Pass | State |
| 2020-11-04 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2020-11-04 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2020-11-04 | GARRISON ENERGY CENTER, LLC | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2020-11-04 | GARRISON ENERGY CENTER, LLC | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2020-11-04 | GARRISON ENERGY CENTER, LLC | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2020-11-04 | GARRISON ENERGY CENTER, LLC | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2020-11-04 | GARRISON ENERGY CENTER, LLC | DOVER (KENT,DE), New Castle, DE | Pass | State |
| 2020-11-04 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2020-11-04 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2020-11-04 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2020-11-04 | BUCKEYE TERMINALS, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2020-11-04 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-04 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-04 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-04 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-04 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2020-11-04 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2020-11-04 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2020-11-04 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2020-11-04 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2020-11-04 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2020-11-04 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2020-11-04 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2020-11-04 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2020-11-04 | JOHNSON MATTHEY PROCESS TECHNOLOGIES, INC | SAVANNAH, Chatham, GA | Pass | State |
| 2020-11-04 | JOHNSON MATTHEY PROCESS TECHNOLOGIES, INC | SAVANNAH, Chatham, GA | Pass | State |
| 2020-11-04 | JOHNSON MATTHEY PROCESS TECHNOLOGIES, INC | SAVANNAH, Chatham, GA | Pass | State |
| 2020-11-04 | JOHNSON MATTHEY PROCESS TECHNOLOGIES, INC | SAVANNAH, Chatham, GA | Pass | State |
| 2020-11-04 | JOHNSON MATTHEY PROCESS TECHNOLOGIES, INC | SAVANNAH, Chatham, GA | Pass | State |
| 2020-11-04 | JOHNSON MATTHEY PROCESS TECHNOLOGIES, INC | SAVANNAH, Chatham, GA | Pass | State |
| 2020-11-04 | CELLOFOAM NORTH AMERICA, INC. | CONYERS, Rockdale, GA | Pass | State |
| 2020-11-04 | POET BIOREFINING - FAIRBANK, LLC | FAIRBANK, Buchanan, IA | Pass | State |
| 2020-11-04 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2020-11-04 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Fail | State |
| 2020-11-04 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2020-11-04 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2020-11-04 | E & B PAVING LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-11-04 | E & B PAVING LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-11-04 | E & B PAVING LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-11-04 | E & B PAVING LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-11-04 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2020-11-04 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2020-11-04 | WELLINGTON MUN. POWER PLANT #2 (AIR) | WELLINGTON, Sumner, KS | Pass | State |
| 2020-11-04 | AMSTED RAIL (AIR) | KANSAS CITY, Wyandotte, KS | Pass | State |
| 2020-11-04 | LOUISIANA-PACIFIC CORPORATION | NEW LIMERICK, Aroostook, ME | Pass | State |
| 2020-11-04 | FPL ENERGY WYMAN LLC | YARMOUTH, Cumberland, ME | Pass | State |
| 2020-11-04 | DTE GAS COMPANY - MILFORD COMPRESSOR STATION | MILFORD, Oakland, MI | Pass | State |
| 2020-11-04 | DENCO II LLC | MORRIS, Stevens, MN | Pass | State |
| 2020-11-04 | AUDUBON MATERIALS, LLC - SUGAR CREEK PLANT | SUGAR CREEK, Jackson, MO | Pending | State |
| 2020-11-04 | EMPIRE ENERGY CENTER | SARCOXIE, Jasper, MO | Pending | State |
| 2020-11-04 | EMPIRE ENERGY CENTER | SARCOXIE, Jasper, MO | Pending | State |
| 2020-11-04 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Pending | State |
| 2020-11-04 | 3M NEVADA-COMMERCIAL GRAPHICS | NEVADA, Vernon, MO | Pending | State |
| 2020-11-04 | 3M NEVADA-COMMERCIAL GRAPHICS | NEVADA, Vernon, MO | Pending | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.