Browse Environmental Hazards
407 toxic release records found.
| Facility | City | State | Chemical | Carcinogen | Total Releases (lbs) | Industry |
|---|---|---|---|---|---|---|
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | m-Xylene | No | 500 | Natural Gas Processing |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | o-Xylene | No | 500 | Natural Gas Processing |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | p-Xylene | No | 500 | Natural Gas Processing |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | Toluene | No | 500 | Natural Gas Processing |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | n-Hexane | No | 495 | Electric Utilities |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Mercury And Mercury Compounds | No | 480 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Naphthalene | No | 421 | Petroleum |
| PIONEER CRYOGENIC PLANT | OPAL | Wyoming | Benzene | No | 421 | Natural Gas Processing |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Hydrogen cyanide | No | 405 | Petroleum |
| PIONEER CRYOGENIC PLANT | OPAL | Wyoming | Toluene | No | 405 | Natural Gas Processing |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Hydrogen sulfide | No | 388 | Petroleum |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Nickel compounds | No | 379 | Petroleum |
| BUCKING HORSE PLANT | DOUGLAS | Wyoming | Toluene | No | 357 | Natural Gas Processing |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Biphenyl | No | 355 | Petroleum |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Ethylbenzene | No | 353 | Petroleum |
| PETE LIEN & SONS INC. - JONATHON LIME PLANT | LARAMIE | Wyoming | Lead compounds | No | 349 | Nonmetallic Mineral Product |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Cyclohexane | No | 319 | Petroleum |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Carbon disulfide | No | 311 | Petroleum |
| HF SINCLAIR CASPER REFINING LLC | CASPER | Wyoming | Ethylbenzene | No | 307 | Petroleum |
| WYOMING LIME PRODUCERS | FRANNIE | Wyoming | Lead compounds | No | 296 | Nonmetallic Mineral Product |
| BUCKING HORSE PLANT | DOUGLAS | Wyoming | Benzene | No | 282 | Natural Gas Processing |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Wyoming | Ethylbenzene | No | 255 | Natural Gas Processing |
| HF SINCLAIR CASPER REFINING LLC | CASPER | Wyoming | Hydrogen sulfide | No | 251 | Petroleum |
| PIONEER CRYOGENIC PLANT | OPAL | Wyoming | Cyclohexane | No | 250 | Natural Gas Processing |
| PACIFICORP WYODAK PLANT | GILLETTE | Wyoming | Mercury And Mercury Compounds | No | 249 | Electric Utilities |
| SILVER EAGLE REFINING-EVANSTON | EVANSTON | Wyoming | Ethylbenzene | No | 243 | Petroleum |
| HF SINCLAIR CASPER REFINING LLC | CASPER | Wyoming | Cumene | No | 239 | Petroleum |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | Cumene | No | 234 | Petroleum |
| GRANGER GAS PLANT | GRANGER | Wyoming | n-Hexane | No | 213 | Natural Gas Processing |
| CHEYENNE RENEWABLE DIESEL CO LLC | CHEYENNE | Wyoming | 1,2,4-Trimethylbenzene | No | 199 | Chemicals |
| SILVER EAGLE REFINING-EVANSTON | EVANSTON | Wyoming | Cyclohexane | No | 177 | Petroleum |
| PACIFICORP WYODAK PLANT | GILLETTE | Wyoming | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 175 | Electric Utilities |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Mercury And Mercury Compounds | No | 170 | Electric Utilities |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Mercury And Mercury Compounds | No | 165 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Certain glycol ethers | No | 151 | Petroleum |
| HF SINCLAIR CASPER REFINING LLC | CASPER | Wyoming | Ammonia | No | 148 | Petroleum |
| CHEYENNE RENEWABLE DIESEL CO LLC | CHEYENNE | Wyoming | Naphthalene | No | 145 | Chemicals |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Naphthalene | No | 139 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Polycyclic aromatic compounds | No | 138 | Petroleum |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Mercury | No | 132 | Chemicals |
| STEAMBOAT PROCESSING FACILITY | DOUGLAS | Wyoming | Ethylene glycol | No | 130 | Natural Gas Processing |
| MOUNTAIN CEMENT CO | LARAMIE | Wyoming | Chromium compounds (except for chromite ore mined in the Transvaal Region) | No | 122 | Nonmetallic Mineral Product |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | 1,3-Butadiene | No | 118 | Petroleum |
| NELSON BROTHERS MINING SERVICES LLC | GILLETTE | Wyoming | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 117 | Chemicals |
| WYOMING REFINING CO | NEWCASTLE | Wyoming | 1,2,4-Trimethylbenzene | No | 116 | Petroleum |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Phenol | No | 114 | Petroleum |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Vanadium (except when contained in an alloy) | No | 114 | Electric Utilities |
| SILVER EAGLE REFINING-EVANSTON | EVANSTON | Wyoming | 1,2,4-Trimethylbenzene | No | 113 | Petroleum |
| CHURCH & DWIGHT CO INC | GREEN RIVER | Wyoming | 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran | No | 111 | Chemicals |
| CARTER CREEK GAS PLANT | EVANSTON | Wyoming | Benzene | No | 101 | Natural Gas Processing |