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 |
|---|---|---|---|---|
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | NUCOR STEEL MARION, INC. | MARION, Marion, OH | Pass | State |
| 2018-07-19 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2018-07-19 | SCOUT ENERGY MANAGEMENT LLC / HITCH LANGSTON COMPRESSOR | GUYMON, Texas, OK | Pass | State |
| 2018-07-19 | SGL CARBON CORP/ST MARYS PLT | SAINT MARYS, Elk, PA | Pass | State |
| 2018-07-19 | SGL CARBON CORP/ST MARYS PLT | SAINT MARYS, Elk, PA | Pass | State |
| 2018-07-19 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | CABOT, Butler, PA | Pass | State |
| 2018-07-19 | ENERGY TRANSFER MKT & TERM LP/KINGSTON TERM | EDWARDSVILLE, Luzerne, PA | Pass | State |
| 2018-07-19 | SUSQUEHANNA GATHERING/CDP 1 COMP STA | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2018-07-19 | DUKE ENERGY PROGRESS LLC - HB ROBINSON DARLINGTON ELECTRIC POWER PLANT | HARTSVILLE, Darlington, SC | Pass | State |
| 2018-07-19 | ARKOMA OPERATIONS, LLC - IGNACIO GAS TREATING PLANT | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2018-07-19 | EAST LONGHORN CENTRAL FACILITY | KARNES CITY, Karnes, TX | Pass | State |
| 2018-07-19 | U.S. MAGNESIUM L.L.C/MAGCORP — high-priority violation on file | ROWLEY, Tooele, UT | Pass | State |
| 2018-07-19 | DYNAX AMERICA CORP USA — high-priority violation on file | ROANOKE, Botetourt, VA | Pass | State |
| 2018-07-19 | WILLIAM E DAILEY INC (SHAFTSBURY) | SHAFTSBURY, Bennington, VT | Pass | State |
| 2018-07-19 | TESORO REFINING AND MARKETING COMPANY | ANACORTES, Skagit, WA | Pass | Local |
| 2018-07-19 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pass | Local |
| 2018-07-18 | THE WESTERVELT COMPANY | MOUNDVILLE, Hale, AL | Pass | State |
| 2018-07-18 | THE WESTERVELT COMPANY | MOUNDVILLE, Hale, AL | Pass | State |
| 2018-07-18 | SABIC INNOVATIVE PLASTICS US LLC | BURKVILLE, Lowndes, AL | Pass | State |
| 2018-07-18 | HYUNDAI MOTOR MANUFACTURING ALABAMA LLC. | MONTGOMERY, Montgomery, AL | Pass | State |
| 2018-07-18 | BUCKEYE BIRMINGHAM TERMINAL | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2018-07-18 | COUNTY OF SACRAMENTO PW (KIEFER SITE) — high-priority violation on file | RANCHO CORDOVA, Sacramento, CA | Pass | Local |
| 2018-07-18 | DUCOMMUN AEROSTRUCTURES INC | MONROVIA, Los Angeles, CA | Fail | Local |
| 2018-07-18 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2018-07-18 | SAN BERNARDINO CO- SOLID WASTE MGMT | COLTON, San Bernardino, CA | Pending | Local |
| 2018-07-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | PASTORIA ENERGY FACILITY, LLC | LEBEC, Kern, CA | Pass | Local |
| 2018-07-18 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Fail | State |
| 2018-07-18 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2018-07-18 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Fail | State |
| 2018-07-18 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Fail | State |
| 2018-07-18 | GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file | PUEBLO 4.5 MI. S OF, Pueblo, CO | Pass | State |
| 2018-07-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2018-07-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2018-07-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2018-07-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2018-07-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2018-07-18 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2018-07-18 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2018-07-18 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2018-07-18 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2018-07-18 | JEA | JACKSONVILLE, Duval, FL | Pass | State |
| 2018-07-18 | CITY OF TALLAHASSEE | TALLAHASSEE, Leon, FL | Pass | State |
| 2018-07-18 | CITY OF TALLAHASSEE | TALLAHASSEE, Leon, FL | Pass | State |
| 2018-07-18 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2018-07-18 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2018-07-18 | INTERFOR U.S. INC. - BAXLEY SAWMILL | BAXLEY, Appling, GA | Fail | State |
| 2018-07-18 | INTERFOR U.S. INC. - BAXLEY SAWMILL | BAXLEY, Appling, GA | Fail | State |
| 2018-07-18 | INTERFOR U.S. INC. - BAXLEY SAWMILL | BAXLEY, Appling, GA | Pass | State |
| 2018-07-18 | INTERFOR U.S. INC. - BAXLEY SAWMILL | BAXLEY, Appling, GA | Pass | State |
| 2018-07-18 | INTERFOR U.S. INC. - BAXLEY SAWMILL | BAXLEY, Appling, GA | Pass | State |
| 2018-07-18 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2018-07-18 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2018-07-18 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2018-07-18 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2018-07-18 | MUNICIPAL ELECTRIC AUTHORITY OF GA-WANSLEY | FRANKLIN, Heard, GA | Pass | State |
| 2018-07-18 | DAHLBERG COMBUSTION TURBINE ELECTRIC GENERATING PLANT | NICHOLSON, Jackson, GA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.