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Rio Tinto

Rank in Toxic 100 Air Polluters: 21
Rank among all TRI companies: 33
Air releases 2022 (lbs): 303,963
Incineration transfers 2022 (lbs): 1
Total Air and Incineration Toxic Score 2022: 2,208,082
Percentage of national total 2022 toxic air and incineration score: 0.6%
EJ: Poor Share: 8%
EJ: Minority Share: 33%

You can also view this company's penalties in Violation Tracker.
You can also look at this company's state, local, and Federal subsidies in Subsidy Tracker.
This company is rank 24 on the Toxic 100 Water Polluters list.
This company has information in PERI's Greenhouse 100 Polluters database.

Chemicals at facilities displayed below: (
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(Links on facility names lead to full TRI reports. Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on health effects.)
Split *
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Arsenic compounds 2,296 0 1,489,672 67.46% 7.8% 34.9%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) 923 0 438,804 19.87% 7.4% 32.4%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) 299 0 193,547 8.77% 5.4% 24.6%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Nickel compounds 836 0 27,159 1.23% 7.5% 33.1%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Cadmium compounds 124 0 26,395 1.20% 7.5% 32.6%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Lead compounds 7,595 0 8,190 0.37% 7.9% 35.5%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Arsenic compounds 7 0 5,344 0.24% 6.0% 26.3%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 89,695 0 5,321 0.24% 7.8% 35.3%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Aluminum (fume or dust) 126,470 0 3,906 0.18% 5.4% 24.5%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 25,254 0 2,880 0.13% 7.4% 32.5%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Nickel compounds 60 0 2,473 0.11% 5.5% 24.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Cadmium compounds 6 0 1,979 0.09% 5.9% 26.0%
OHIO VALLEY ALUMINUM CO INC SHELBYVILLE KY Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) 18 0 612 0.03% 11.4% 29.9% 50%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Lead compounds 569 0 580 0.03% 5.4% 24.6%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Cyanide compounds 2,679 0 520 0.02% 5.4% 24.5%
MATALCO WISCONSIN RAPIDS WI Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) 0 0 431 0.02% 10.5% 10.7% 50%
OHIO VALLEY ALUMINUM CO INC SHELBYVILLE KY Aluminum (fume or dust) 13,117 0 297 0.01% 11.3% 28.2% 50%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Naphthalene 312 0 120 0.01% 5.0% 23.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Manganese compounds 222 0 118 0.01% 5.4% 24.6%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Antimony compounds 148 0 86 0.00% 7.9% 35.7%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Manganese compounds 183 0 72 0.00% 7.4% 32.4%
OHIO VALLEY ALUMINUM CO INC SHELBYVILLE KY Manganese compounds 97 0 68 0.00% 11.6% 32.8% 50%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Vanadium compounds 143 0 64 0.00% 7.4% 32.3%
MATALCO (U.S.) INC. WARREN OH Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 31,179 0 49 0.00% 19.6% 21.3% 50%
US BORAX INC. WILMINGTON CA Zinc compounds 1,414 0 49 0.00% 13.9% 74.3%
MATALCO INC. BLUFFTON IN Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 15,763 0 29 0.00% 11.7% 21.5% 50%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Thallium compounds 28 0 13 0.00% 7.5% 32.8%
MATALCO (US) INC CANTON OH Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) 0 0 13 0.00% 15.6% 20.4% 50%
OHIO VALLEY ALUMINUM CO INC SHELBYVILLE KY Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 1,697 0 10 0.00% 11.2% 28.0% 50%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 545 0 5 0.00% 8.0% 36.2%
OHIO VALLEY ALUMINUM CO INC SHELBYVILLE KY Lead 7 0 5 0.00% 11.3% 28.3% 50%
OHIO VALLEY ALUMINUM CO INC SHELBYVILLE KY Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) 0 0 5 0.00% 11.2% 28.0% 50%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Zinc compounds 1,170 0 5 0.00% 7.7% 34.5%
MATALCO (U.S.) INC. WARREN OH Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) 0 0 3 0.00% 19.6% 21.3% 50%
OHIO VALLEY ALUMINUM CO INC SHELBYVILLE KY Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 44 0 3 0.00% 11.5% 32.0% 50%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Mercury compounds 5 0 3 0.00% 6.0% 26.3%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Selenium compounds 533 0 2 0.00% 8.0% 38.7%
MATALCO INC. BLUFFTON IN Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) 0 0 2 0.00% 11.6% 21.5% 50%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Mercury compounds 6 0 2 0.00% 7.4% 32.3%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Silver compounds 247 0 2 0.00% 7.7% 34.6%
KENNECOTT UTAH COPPER SMELTER & REFINERY MAGNA UT Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) 6,601 1 2 0.00% 7.5% 32.8%
MATALCO WISCONSIN RAPIDS WI Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 1,238 0 2 0.00% 10.5% 10.7% 50%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 23 0 1 0.00% 5.6% 25.2%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) 0 0 1 0.00% 5.4% 24.5%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) 3,650 0 1 0.00% 5.5% 24.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Selenium compounds 27 0 0 0.00% 5.4% 25.1%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Silver compounds 12 0 0 0.00% 6.0% 26.3%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Cresol (mixed isomers) 250 0 0 0.00% 4.7% 22.6%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT BINGHAM CANYON UT Ethylene glycol 52 0 0 0.00% 5.3% 24.2%

For explanations of most columns above, including the EJ Shares, see the technical notes.

The Greenhouse CO2e column shows the CO2 equivalent pounds released by this facility if the facility also exists in the Greenhouse 100 Polluters database

* Split: if 50% appears in this column, then the facility's emissions have been split among two 50/50% ownership parent companies for their parent company data, although the full pounds and score are displayed here.

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