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 |
|---|---|---|---|---|
| 2018-09-25 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2018-09-25 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2018-09-25 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2018-09-25 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2018-09-25 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2018-09-25 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2018-09-25 | AMERESCO SANTA CRUZ ENERGY LLC | WATSONVILLE, Santa Cruz, CA | Pass | Local |
| 2018-09-25 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2018-09-25 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2018-09-25 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2018-09-25 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2018-09-25 | LA CITY, DWP SCATTERGOOD GENERATING STN | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2018-09-25 | OC WASTE & RECYCLING, FRB | IRVINE, Orange, CA | Pending | Local |
| 2018-09-25 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2018-09-25 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2018-09-25 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2018-09-25 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2018-09-25 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2018-09-25 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | ALTAGAS SAN JOAQUIN ENERGY INC | HANFORD, Kings, CA | Pass | Local |
| 2018-09-25 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2018-09-25 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2018-09-25 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2018-09-25 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-25 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2018-09-25 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2018-09-25 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.