Browse Environmental Hazards

407 toxic release records found.

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FacilityCityStateChemicalCarcinogenTotal Releases (lbs)Industry
DYNO NOBEL INC-CHEYENNE PLANT CHEYENNE Wyoming Nitrate compounds (water dissociable; reportable only when in aqueous solution) No 5,011,807 Chemicals
BASIN ELECTRIC LARAMIE RIVER STATION WHEATLAND Wyoming Barium And Barium Compounds No 3,058,704 Electric Utilities
BLACK HILLS CORP - NEIL SIMPSON COMPLEX GILLETTE Wyoming Barium And Barium Compounds No 1,109,451 Electric Utilities
BASIN ELECTRIC DRY FORK STATION GILLETTE Wyoming Barium And Barium Compounds No 1,065,091 Electric Utilities
DYNO NOBEL INC-CHEYENNE PLANT CHEYENNE Wyoming Ammonia No 1,015,902 Chemicals
PACIFICORP DAVE JOHNSTON PLANT GLENROCK Wyoming Barium And Barium Compounds No 1,014,148 Electric Utilities
SIMPLOT PHOSPHATES LLC ROCK SPRINGS Wyoming Hydrogen fluoride No 992,299 Chemicals
BLACKS FORK GAS PLANT GRANGER Wyoming Methanol No 861,113 Natural Gas Processing
PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO POINT OF ROCKS Wyoming Barium And Barium Compounds No 601,367 Electric Utilities
STEAMBOAT PROCESSING FACILITY DOUGLAS Wyoming n-Hexane No 595,847 Natural Gas Processing
PACIFICORP WYODAK PLANT GILLETTE Wyoming Barium And Barium Compounds No 430,224 Electric Utilities
SIMPLOT PHOSPHATES LLC ROCK SPRINGS Wyoming Chromium compounds (except for chromite ore mined in the Transvaal Region) No 400,009 Chemicals
PACIFICORP NAUGHTON PLANT KEMMERER Wyoming Barium And Barium Compounds No 390,571 Electric Utilities
SIMPLOT PHOSPHATES LLC ROCK SPRINGS Wyoming Zinc compounds No 289,202 Chemicals
WESTERN GAS RESOURCES HILIGHT GAS PLANT GILLETTE Wyoming Methanol No 264,569 Natural Gas Processing
CROWN BEVERAGE PACKAGING WORLAND Wyoming Certain glycol ethers No 181,901 Fabricated Metals
SIMPLOT PHOSPHATES LLC ROCK SPRINGS Wyoming Ammonia No 168,207 Chemicals
BASIN ELECTRIC DRY FORK STATION GILLETTE Wyoming Ammonia No 138,716 Electric Utilities
HF SINCLAIR PARCO REFINING LLC SINCLAIR Wyoming Toluene No 136,038 Petroleum
PACIFICORP NAUGHTON PLANT KEMMERER Wyoming Manganese And Manganese Compounds No 102,892 Electric Utilities
BLACK HILLS CORP - NEIL SIMPSON COMPLEX GILLETTE Wyoming Manganese No 92,902 Electric Utilities
BASIN ELECTRIC LARAMIE RIVER STATION WHEATLAND Wyoming Manganese And Manganese Compounds No 88,319 Electric Utilities
CROWN BEVERAGE PACKAGING WORLAND Wyoming n-Butyl alcohol No 85,704 Fabricated Metals
BASIN ELECTRIC LARAMIE RIVER STATION WHEATLAND Wyoming Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) No 85,256 Electric Utilities
CARTER CREEK GAS PLANT EVANSTON Wyoming Hydrogen sulfide No 83,767 Natural Gas Processing
PACIFICORP DAVE JOHNSTON PLANT GLENROCK Wyoming Manganese And Manganese Compounds No 83,587 Electric Utilities
PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO POINT OF ROCKS Wyoming Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) No 83,584 Electric Utilities
HF SINCLAIR PARCO REFINING LLC SINCLAIR Wyoming Xylene (mixed isomers) No 80,205 Petroleum
HF SINCLAIR PARCO REFINING LLC SINCLAIR Wyoming Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) No 80,000 Petroleum
BLACK HILLS CORP - NEIL SIMPSON COMPLEX GILLETTE Wyoming Copper No 79,490 Electric Utilities
SIMPLOT PHOSPHATES LLC ROCK SPRINGS Wyoming Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) No 73,734 Chemicals
BLACK HILLS CORP - NEIL SIMPSON COMPLEX GILLETTE Wyoming Vanadium (except when contained in an alloy) No 72,671 Electric Utilities
BASIN ELECTRIC LARAMIE RIVER STATION WHEATLAND Wyoming Nickel And Nickel Compounds No 71,202 Electric Utilities
PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO POINT OF ROCKS Wyoming Manganese And Manganese Compounds No 69,682 Electric Utilities
BASIN ELECTRIC LARAMIE RIVER STATION WHEATLAND Wyoming Zinc compounds No 69,176 Electric Utilities
50 BUTTES GILLETTE Wyoming n-Hexane No 69,161 Natural Gas Processing
BASIN ELECTRIC LARAMIE RIVER STATION WHEATLAND Wyoming Copper And Copper Compounds No 66,852 Electric Utilities
BLACK HILLS CORP - NEIL SIMPSON COMPLEX GILLETTE Wyoming Zinc (fume or dust) No 48,163 Electric Utilities
SIMPLOT PHOSPHATES LLC ROCK SPRINGS Wyoming Manganese compounds No 43,729 Chemicals
PACIFICORP WYODAK PLANT GILLETTE Wyoming Manganese And Manganese Compounds No 41,363 Electric Utilities
ECHO SPRINGS GAS PLANT CARBON Wyoming Benzene No 40,680 Natural Gas Processing
WESTERN SUGAR COOPERATIVE LOVELL FACTORY LOVELL Wyoming Ammonia No 40,637 Food
BLACK HILLS CORP - NEIL SIMPSON COMPLEX GILLETTE Wyoming Chromium No 37,967 Electric Utilities
PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO POINT OF ROCKS Wyoming Hydrogen fluoride No 37,940 Electric Utilities
PACIFICORP DAVE JOHNSTON PLANT GLENROCK Wyoming Vanadium compounds No 36,338 Electric Utilities
OPAL GAS PLANT OPAL Wyoming Toluene No 36,276 Natural Gas Processing
PACIFICORP DAVE JOHNSTON PLANT GLENROCK Wyoming Copper And Copper Compounds No 34,782 Electric Utilities
PACIFICORP WYODAK PLANT GILLETTE Wyoming Copper And Copper Compounds No 32,945 Electric Utilities
50 BUTTES GILLETTE Wyoming Cyclohexane No 32,877 Natural Gas Processing
US ARMY CAMP GUERNSEY TRAINING AREAS GUERNSEY Wyoming Copper No 31,678 Other