Browse Environmental Hazards
407 toxic release records found.
| Facility | City | State | Chemical | Carcinogen | Total Releases (lbs) | Industry |
|---|---|---|---|---|---|---|
| BLACKS FORK GAS PLANT | GRANGER | Wyoming | Benzene | No | 2,360 | Natural Gas Processing |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | n-Hexane | No | 2,213 | Petroleum |
| HF SINCLAIR CASPER REFINING LLC | CASPER | Wyoming | Ethylene | No | 2,150 | Petroleum |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Benzene | No | 2,144 | Petroleum |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Propylene | No | 2,119 | Petroleum |
| SAGE CREEK GAS PLANT | GLENROCK | Wyoming | n-Hexane | No | 2,098 | Natural Gas Processing |
| CHAMPIONX-EVANSVILLE PLANT 108 | EVANSVILLE | Wyoming | Toluene | No | 2,092 | Miscellaneous Manufacturing |
| CHEYENNE RENEWABLE DIESEL CO LLC | CHEYENNE | Wyoming | Xylene (mixed isomers) | No | 2,051 | Chemicals |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Xylene (mixed isomers) | No | 1,892 | Petroleum |
| CHEMTRADE REFINERY SERVICES INC | RIVERTON | Wyoming | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 1,863 | Chemicals |
| HF SINCLAIR CASPER REFINING LLC | CASPER | Wyoming | Benzene | No | 1,830 | Petroleum |
| MITSUBISHI CHEMICAL CARBON FIBER & COMPOSITES | EVANSTON | Wyoming | Hydrogen cyanide | No | 1,773 | Electrical Equipment |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Vanadium (except when contained in an alloy) | No | 1,602 | Electric Utilities |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Vanadium compounds | No | 1,602 | Electric Utilities |
| DOUGLAS GAS PLANT | DOUGLAS | Wyoming | Methanol | No | 1,572 | Natural Gas Processing |
| STEAMBOAT PROCESSING FACILITY | DOUGLAS | Wyoming | Benzene | No | 1,568 | Natural Gas Processing |
| SAGE CREEK GAS PLANT | GLENROCK | Wyoming | Methanol | No | 1,510 | Natural Gas Processing |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Zinc compounds | No | 1,502 | Petroleum |
| DYNO NOBEL INC-CHEYENNE PLANT | CHEYENNE | Wyoming | Nitric acid | No | 1,500 | Chemicals |
| US ARMY CAMP GUERNSEY TRAINING AREAS | GUERNSEY | Wyoming | Lead | No | 1,432 | Other |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Hydrogen fluoride | No | 1,419 | Petroleum |
| VERMILLION GAS PLANT | ROCK SPRINGS | Wyoming | Xylene (mixed isomers) | No | 1,412 | Natural Gas Processing |
| SILVER EAGLE REFINING-EVANSTON | EVANSTON | Wyoming | Toluene | No | 1,393 | Petroleum |
| SAGE CREEK GAS PLANT | GLENROCK | Wyoming | Benzene | No | 1,338 | Natural Gas Processing |
| DOUGLAS GAS PLANT | DOUGLAS | Wyoming | Benzene | No | 1,300 | Natural Gas Processing |
| MITSUBISHI CHEMICAL CARBON FIBER & COMPOSITES | EVANSTON | Wyoming | Ammonia | No | 1,174 | Electrical Equipment |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Zinc (fume or dust) | No | 1,096 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Cumene | No | 1,085 | Petroleum |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | Methanol | No | 1,040 | Natural Gas Processing |
| SAGE CREEK GAS PLANT | GLENROCK | Wyoming | Toluene | No | 1,037 | Natural Gas Processing |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | Cyclohexane | No | 1,000 | Natural Gas Processing |
| BLACKS FORK GAS PLANT | GRANGER | Wyoming | n-Hexane | No | 994 | Natural Gas Processing |
| GRANGER GAS PLANT | GRANGER | Wyoming | Toluene | No | 975 | Natural Gas Processing |
| GRANGER GAS PLANT | GRANGER | Wyoming | Xylene (mixed isomers) | No | 948 | Natural Gas Processing |
| GRANGER GAS PLANT | GRANGER | Wyoming | Benzene | No | 938 | Natural Gas Processing |
| 50 BUTTES | GILLETTE | Wyoming | Ethylene glycol | No | 844 | Natural Gas Processing |
| SILVER EAGLE REFINING-EVANSTON | EVANSTON | Wyoming | Xylene (mixed isomers) | No | 798 | Petroleum |
| TALLGRASS MIDSTREAM LLC - CASPER GAS PLANT & COMPRESSOR STAT | CASPER | Wyoming | Benzene | No | 760 | Natural Gas Processing |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Methanol | No | 724 | Petroleum |
| SAGE CREEK GAS PLANT | GLENROCK | Wyoming | Cyclohexane | No | 703 | Natural Gas Processing |
| PACIFICORP NAUGHTON PLANT | KEMMERER | Wyoming | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 699 | Electric Utilities |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Ammonia | No | 682 | Petroleum |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Mercury | No | 680 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Lead And Lead Compounds | No | 633 | Petroleum |
| BRENNTAG PACIFIC INC. | CHEYENNE | Wyoming | Methanol | No | 612 | Chemical Wholesalers |
| SILVER EAGLE REFINING-EVANSTON | EVANSTON | Wyoming | Benzene | No | 604 | Petroleum |
| TALLGRASS MIDSTREAM LLC - CASPER GAS PLANT & COMPRESSOR STAT | CASPER | Wyoming | Methanol | No | 570 | Natural Gas Processing |
| MOUNTAIN CEMENT CO | LARAMIE | Wyoming | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | No | 536 | Nonmetallic Mineral Product |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Cobalt compounds | No | 509 | Petroleum |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | m-Xylene | No | 500 | Natural Gas Processing |