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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in 2018. It lists 25,145 stack tests recorded nationwide in 2018.