Browse Environmental Hazards
346 toxic release records found.
| Facility | City | State | Chemical | Carcinogen | Total Releases (lbs) | Industry |
|---|---|---|---|---|---|---|
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Ethylene | No | 4,341 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Ammonia | No | 4,301 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Benzene | No | 4,253 | Petroleum |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Xylene (mixed isomers) | No | 4,158 | Petroleum |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Nickel And Nickel Compounds | No | 3,830 | Petroleum |
| COLSTRIP ENERGY LP ROSEBUD POWER PLANT | COLSTRIP | Montana | Vanadium compounds | No | 3,815 | Electric Utilities |
| COLSTRIP ENERGY LP ROSEBUD POWER PLANT | COLSTRIP | Montana | Copper And Copper Compounds | No | 3,791 | Electric Utilities |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Benzene | No | 3,706 | Petroleum |
| DARIGOLD-BOZEMAN | BOZEMAN | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 3,258 | Food |
| ROSEBURG FOREST PRODUCTS CO. - MISSOULA PARTICLEBOARD | MISSOULA | Montana | Acetaldehyde | No | 3,131 | Wood Products |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Hydrogen fluoride | No | 3,070 | Petroleum |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | 1,2,4-Trimethylbenzene | No | 3,007 | Petroleum |
| AMERICAN CHEMET CORP | EAST HELENA | Montana | Ammonia | No | 2,952 | Chemicals |
| COLSTRIP ENERGY LP ROSEBUD POWER PLANT | COLSTRIP | Montana | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | No | 2,911 | Electric Utilities |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Benzene | No | 2,849 | Petroleum |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Benzene | No | 2,785 | Petroleum |
| US ARMY NATIONAL GUARD LIMESTONE HILLS RANGES | TOWNSEND | Montana | Lead | No | 2,729 | Other |
| BRENNTAG PACIFIC INC MOSSMAIN LN | BILLINGS | Montana | Methanol | No | 2,646 | Chemical Wholesalers |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Methanol | No | 2,628 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | 1,2,4-Trimethylbenzene | No | 2,597 | Petroleum |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Cyclohexane | No | 2,582 | Petroleum |
| CORIXA CORP D/B/A GLAXOSMITHKLINE VACCINES - HAMILTON | HAMILTON | Montana | Chloroform | No | 2,409 | Chemicals |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | 1,2,4-Trimethylbenzene | No | 2,394 | Petroleum |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Naphthalene | No | 2,297 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Methanol | No | 2,208 | Petroleum |
| STILLWATER MINING CO EAST BOULDER MINE | BIG TIMBER | Montana | Propylene | No | 2,088 | Metal Mining |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Ethylbenzene | No | 2,001 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Zinc compounds | No | 1,912 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Ethylbenzene | No | 1,881 | Petroleum |
| HARDIN GENERATING STATION | HARDIN | Montana | Copper | No | 1,817 | Electric Utilities |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Cyclohexane | No | 1,794 | Petroleum |
| HARDIN GENERATING STATION | HARDIN | Montana | Zinc compounds | No | 1,722 | Electric Utilities |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Vanadium compounds | No | 1,654 | Petroleum |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Cyclohexane | No | 1,580 | Petroleum |
| US DOD USAF MALMSTROM AFB | MALMSTROM AFB | Montana | Lead | No | 1,561 | Other |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Ethylbenzene | No | 1,530 | Petroleum |
| HELENA SAND & GRAVEL DBA MONTANA MATERIALS & CONST | ANACONDA | Montana | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 1,480 | Nonmetallic Mineral Product |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Methanol | No | 1,379 | Petroleum |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | n-Hexane | No | 1,330 | Petroleum Bulk Terminals |
| MONTANA SULPHUR & CHEMICAL CO | BILLINGS | Montana | Carbon disulfide | No | 1,230 | Chemicals |
| THATCHER CO OF NORTH DAKOTA INC | GLENDIVE | Montana | Methanol | No | 1,160 | Chemicals |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Phenol | No | 1,143 | Petroleum |
| HARDIN GENERATING STATION | HARDIN | Montana | Lead And Lead Compounds | No | 1,126 | Electric Utilities |
| SMC NYE MINE SITE | NYE | Montana | Propylene | No | 1,090 | Metal Mining |
| MONTANA SULPHUR & CHEMICAL CO | BILLINGS | Montana | Carbonyl sulfide | No | 1,081 | Chemicals |
| COLSTRIP ENERGY LP ROSEBUD POWER PLANT | COLSTRIP | Montana | Lead And Lead Compounds | No | 1,057 | Electric Utilities |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Phenanthrene | No | 1,021 | Petroleum |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | Toluene | No | 1,000 | Petroleum Bulk Terminals |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Cyclohexane | No | 981 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Naphthalene | No | 976 | Petroleum |