EPA Air · stack tests by year
Air-emissions stack tests in 2019
- 26,261Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2019
- California 6,897
- Ohio 2,684
- Oklahoma 1,656
- Florida 1,597
- Indiana 1,595
- Georgia 1,325
- Pennsylvania 723
- Alabama 687
- Arkansas 664
- Texas 620
- Mississippi 604
- Iowa 457
- Washington 445
- Colorado 431
- New Mexico 421
- Missouri 409
- North Carolina 297
- Minnesota 285
- Montana 272
- Michigan 268
- Wyoming 252
- Wisconsin 251
- South Carolina 231
- Louisiana 225
- Delaware 189
- Kentucky 188
- Utah 184
- West Virginia 176
- Kansas 175
- Alaska 159
- North Dakota 154
- Nebraska 149
- Illinois 138
- Connecticut 124
- New York 122
- Tennessee 121
- Maine 110
- Virginia 107
- Nevada 107
- Idaho 95
- Hawaii 93
- Oregon 88
- New Hampshire 78
- Arizona 77
- New Jersey 61
- South Dakota 59
- Massachusetts 58
- Maryland 54
- Rhode Island 45
- District of Columbia 33
- Vermont 21
Other years
Air-emissions stack tests recorded in 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-09-25 | HM SOUTHEAST CEMENT LLC | HARLEYVILLE, Dorchester, SC | Pass | State |
| 2019-09-25 | RESONAC GRAPHITE AMERICA INC — high-priority violation on file | RIDGEVILLE, Dorchester, SC | Pass | State |
| 2019-09-25 | WESTROCK CP, LLC - FLORENCE MILL | FLORENCE, Florence, SC | Pass | State |
| 2019-09-25 | PALMETTO CORPORATION FLORENCE PLANT — high-priority violation on file | FLORENCE, Florence, SC | Pass | State |
| 2019-09-25 | TENNESSEE VALLEY AUTHORITY - CUMBERLAND FOSSIL PLANT — high-priority violation on file | CUMBERLAND CITY, Stewart, TN | Pass | State |
| 2019-09-25 | VALERO REFINING COMPANY-TN LLC | MEMPHIS, Shelby, TN | Pass | Local |
| 2019-09-25 | CALAVERAS PLANT SITE | SAN ANTONIO, Bexar, TX | Pass | State |
| 2019-09-25 | CALAVERAS PLANT SITE | SAN ANTONIO, Bexar, TX | Pass | State |
| 2019-09-25 | ALAMO CEMENT 1604 PLANT | SAN ANTONIO, Bexar, TX | Pass | State |
| 2019-09-25 | ALAMO CEMENT 1604 PLANT | SAN ANTONIO, Bexar, TX | Pass | State |
| 2019-09-25 | NEW BRAUNFELS LIME PLANT — high-priority violation on file | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | HUNTER FACILITY | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | HUNTER FACILITY | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | HUNTER FACILITY | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | CEMEX CEMENT OF TEXAS | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | CEMEX CEMENT OF TEXAS | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | CEMEX CEMENT OF TEXAS | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | CEMEX CEMENT OF TEXAS | NEW BRAUNFELS, Comal, TX | Pass | State |
| 2019-09-25 | CITY OF GRAND PRAIRIE LANDFILL | GRAND PRAIRIE, Dallas, TX | N/A | State |
| 2019-09-25 | OWENS CORNING INSULATING SYSTEMS WAXAHACHIE PLANT | WAXAHACHIE, Ellis, TX | Pass | State |
| 2019-09-25 | AREA 71 CGP FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2019-09-25 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2019-09-25 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2019-09-25 | CED ENTERPRISES INC | GORE, Frederick, VA | Pass | State |
| 2019-09-25 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2019-09-25 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2019-09-25 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2019-09-25 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2019-09-25 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2019-09-25 | CARTER CREEK GAS PLANT (HILCORP ENERGY CO) | EVANSTON, Uinta, WY | Pass | State |
| 2019-09-24 | CHAPITA COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2019-09-24 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2019-09-24 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2019-09-24 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2019-09-24 | HONDA MANUFACTURING OF ALABAMA LLC | LINCOLN, Talladega, AL | Pass | State |
| 2019-09-24 | LANXESS CORPORATION - CENTRAL PLANT | EL DORADO, Union, AR | Pass | State |
| 2019-09-24 | LANXESS CORPORATION - CENTRAL PLANT | EL DORADO, Union, AR | Pass | State |
| 2019-09-24 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-2 | CLINTON, Van Buren, AR | Pass | State |
| 2019-09-24 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2019-09-24 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pending | Local |
| 2019-09-24 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pending | Local |
| 2019-09-24 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pending | Local |
| 2019-09-24 | SO CAL GAS CO/PLAYA DEL REY STORAGE | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2019-09-24 | SO CAL GAS CO/PLAYA DEL REY STORAGE | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2019-09-24 | SO CAL GAS CO/PLAYA DEL REY STORAGE | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2019-09-24 | SO CAL GAS CO/PLAYA DEL REY STORAGE | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2019-09-24 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.