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 |
|---|---|---|---|---|
| 2023-10-18 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-18 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-18 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-18 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-18 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-18 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-10-18 | WYOMING INTERSTATE - SNAKE RIVER C.S. | CRAIG 37.2 MI. NW OF, Moffat, CO | N/A | State |
| 2023-10-18 | WYOMING INTERSTATE - SNAKE RIVER C.S. | CRAIG 37.2 MI. NW OF, Moffat, CO | N/A | State |
| 2023-10-18 | COLORADO INTERSTATE GAS CO - GREASEWOOD | MEEKER 16.5 MI. SW OF, Rio Blanco, CO | Pass | State |
| 2023-10-18 | ROCKIES EXPRESS PIPELINE LLC - MEEKER | MEEKER 21.0 MI. N OF, Rio Blanco, CO | Pass | State |
| 2023-10-18 | ROCKIES EXPRESS PIPELINE LLC - MEEKER | MEEKER 21.0 MI. N OF, Rio Blanco, CO | Pass | State |
| 2023-10-18 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2023-10-18 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-18 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-18 | ORGANIC MATTERS INC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2023-10-18 | CARAUSTAR INDUSTRIES, INC. | AUSTELL, Cobb, GA | Pass | State |
| 2023-10-18 | CARAUSTAR INDUSTRIES, INC. | AUSTELL, Cobb, GA | Pass | State |
| 2023-10-18 | CARAUSTAR INDUSTRIES, INC. | AUSTELL, Cobb, GA | Pass | State |
| 2023-10-18 | CARAUSTAR INDUSTRIES, INC. | AUSTELL, Cobb, GA | Pass | State |
| 2023-10-18 | TOM LOWE ATLANTA-FULTON COUNTY WATER TREATMENT FACILITY | ALPHARETTA, Fulton, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | N/A | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | N/A | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | N/A | State |
| 2023-10-18 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-18 | C & C OF HONOLULU - WAIMANALO GULCH MSWL — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2023-10-18 | GRAIN PROCESSING CORP — high-priority violation on file | MUSCATINE, Muscatine, IA | Pass | State |
| 2023-10-18 | GRAIN PROCESSING CORP — high-priority violation on file | MUSCATINE, Muscatine, IA | Pass | State |
| 2023-10-18 | NORTHWEST GAS PROCESSING LLC | NEW PLYMOUTH, Payette, ID | Pass | State |
| 2023-10-18 | DUALTECH INCORPORATED — high-priority violation on file | FRANKLIN, Johnson, IN | Pass | State |
| 2023-10-18 | DUALTECH INCORPORATED — high-priority violation on file | FRANKLIN, Johnson, IN | Pass | State |
| 2023-10-18 | DUALTECH INCORPORATED — high-priority violation on file | FRANKLIN, Johnson, IN | Pass | State |
| 2023-10-18 | DUALTECH INCORPORATED — high-priority violation on file | FRANKLIN, Johnson, IN | Pass | State |
| 2023-10-18 | DUALTECH INCORPORATED — high-priority violation on file | FRANKLIN, Johnson, IN | Pass | State |
| 2023-10-18 | DUALTECH INCORPORATED — high-priority violation on file | FRANKLIN, Johnson, IN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.