Browse Environmental Hazards
346 toxic release records found.
| Facility | City | State | Chemical | Carcinogen | Total Releases (lbs) | Industry |
|---|---|---|---|---|---|---|
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Ethylbenzene | No | 964 | Petroleum |
| COLSTRIP STEAM ELECTRIC STATION | COLSTRIP | Montana | Ethylbenzene | No | 960 | Electric Utilities |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | 1,2,4-Trimethylbenzene | No | 951 | Petroleum |
| STILLWATER MINING CO EAST BOULDER MINE | BIG TIMBER | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 949 | Metal Mining |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Hydrogen sulfide | No | 947 | Petroleum |
| COLSTRIP STEAM ELECTRIC STATION | COLSTRIP | Montana | Naphthalene | No | 850 | Electric Utilities |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 847 | Petroleum |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | 1,3-Butadiene | No | 789 | Petroleum |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | Benzene | No | 780 | Petroleum Bulk Terminals |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Tetrachloroethylene | No | 779 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Biphenyl | No | 757 | Petroleum |
| BAKKEN GAS PLANT | SIDNEY | Montana | n-Hexane | No | 750 | Natural Gas Processing |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Hydrogen fluoride | No | 737 | Petroleum |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Naphthalene | No | 654 | Petroleum |
| COLSTRIP STEAM ELECTRIC STATION | COLSTRIP | Montana | Mercury And Mercury Compounds | No | 641 | Electric Utilities |
| HEXION INC. | MISSOULA | Montana | Phenol | No | 590 | Chemicals |
| ASH GROVE CEMENT CO MONTANA CITY PLANT | CLANCY | Montana | Chromium | No | 563 | Nonmetallic Mineral Product |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Anthracene | No | 558 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Naphthalene | No | 542 | Petroleum |
| JTL GROUP BILLINGS (DBA - KNIFE RIVER BILLINGS) | BILLINGS | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 530 | Petroleum |
| CORIXA CORP D/B/A GLAXOSMITHKLINE VACCINES - HAMILTON | HAMILTON | Montana | Methanol | No | 460 | Chemicals |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Hydrogen sulfide | No | 453 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | 1,3-Butadiene | No | 440 | Petroleum |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | Xylene (mixed isomers) | No | 430 | Petroleum Bulk Terminals |
| US CBP ROOSVILLE PORT OF ENTRY #MT0008 | EUREKA | Montana | Lead | No | 424 | Other |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Cumene | No | 408 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | 1,3-Butadiene | No | 331 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Phenol | No | 310 | Petroleum |
| WESTERN SUGAR COOPERATIVE.130130 | BILLINGS | Montana | Lead And Lead Compounds | No | 294 | Food |
| US DOD USAF MALMSTROM AFB | MALMSTROM AFB | Montana | Lead | No | 292 | Other |
| HARDIN GENERATING STATION | HARDIN | Montana | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 289 | Electric Utilities |
| HARDIN GENERATING STATION | HARDIN | Montana | Hydrogen fluoride | No | 289 | Electric Utilities |
| PFP INDUSTRIES LLC - MILES CITY MT FACILITY | MILES CITY | Montana | Methanol | No | 250 | Chemicals |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Phenol | No | 246 | Petroleum |
| SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY | COLUMBUS | Montana | Nickel And Nickel Compounds | No | 246 | Primary Metals |
| JTL GROUP BELGRADE DBA KNIFE RIVER - BELGRADE | BELGRADE | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 240 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Cumene | No | 234 | Petroleum |
| CORIXA CORP D/B/A GLAXOSMITHKLINE VACCINES - HAMILTON | HAMILTON | Montana | Acetonitrile | No | 203 | Chemicals |
| GRAYMONT WESTERN US INC INDIAN CREEK LIME PRODUCTION | TOWNSEND | Montana | Mercury And Mercury Compounds | No | 201 | Other |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Hydrogen cyanide | No | 180 | Petroleum |
| JTL GROUP-KALISPELL DBA KNIFE RIVER - KALISPELL | KALISPELL | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 180 | Petroleum |
| SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY | COLUMBUS | Montana | Copper And Copper Compounds | No | 163 | Primary Metals |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Styrene | No | 162 | Petroleum |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | 1,2,4-Trimethylbenzene | No | 157 | Petroleum Bulk Terminals |
| KNIFE RIVER BILLINGS EAST SITE | BILLINGS | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 140 | Petroleum |
| COLSTRIP ENERGY LP ROSEBUD POWER PLANT | COLSTRIP | Montana | Manganese And Manganese Compounds | No | 128 | Electric Utilities |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Vanadium compounds | No | 112 | Petroleum |
| JTL GROUP MISSOULA (DBA KNIFE RIVER-MISSOULA) | MISSOULA | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 110 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Nickel And Nickel Compounds | No | 104 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Cumene | No | 103 | Petroleum |