PERI: Toxic 100 Index

Rio Tinto PLC

Rank in Toxic 100: 14
Rank among all TRI companies: 48
Air releases 2010 (lbs): 121,995
Incineration transfers 2010 (lbs): 996
Total Air and Incineration Toxic Score 2010: 1,190,964
Percentage of national total 2010 toxic air and incineration score: 0.307%
EJ: Poor Share: 10.2%
EJ: Minority Share: 27.0%

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Facility Name	City	State	Chemical	Original air releases (lbs)	Revised air releases (lbs)	Original incineration transfers (lbs)	Revised incineration transfers (lbs)	Toxicity Weight	Toxic Score (quantity x exposure x toxicity x population)	Percent of total company score	EJ: Poor Share	EJ: Near Poor Share	EJ: Minority Share	EJ: Black Share	EJ: Hispanic Share	Rv
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Arsenic and arsenic compounds	4,234	4,234	0	0	15,000,000	1,051,155	88.26%	10.4%	30.7%	27.4%	1.4%	18.8%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Chromium and chromium compounds	162	162	0	0	43,000,000	80,590	6.77%	7.8%	26.1%	23.1%	1.0%	15.6%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Cadmium and cadmium compounds	210	210	0	0	6,400,000	21,979	1.85%	10.4%	30.6%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Chromium and chromium compounds	615	615	0	0	43,000,000	12,896	1.08%	10.4%	30.5%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Arsenic and arsenic compounds	15	15	0	0	15,000,000	7,737	0.65%	8.0%	26.3%	23.4%	1.0%	15.8%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Nickel and nickel compounds	434	434	0	0	930,000	6,635	0.56%	10.4%	30.7%	27.4%	1.4%	18.7%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Sulfuric acid	45,064	45,064	0	0	3,500	2,562	0.22%	10.4%	30.6%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Nickel and nickel compounds	62	62	0	0	930,000	1,915	0.16%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Lead and lead compounds	5,580	5,580	0	0	18,000	1,726	0.14%	10.6%	31.2%	27.6%	1.4%	19.0%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Cadmium and cadmium compounds	5	5	0	0	6,400,000	1,133	0.10%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Copper and copper compounds	36,496	36,496	0	0	1,500	865	0.07%	10.5%	30.9%	27.6%	1.4%	19.0%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Lead and lead compounds	1,032	1,032	0	0	18,000	647	0.05%	7.6%	25.9%	22.7%	1.0%	15.4%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Manganese and manganese compounds	190	190	0	0	70,000	443	0.04%	8.0%	26.3%	23.4%	1.0%	15.8%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Manganese and manganese compounds	218	218	0	0	70,000	248	0.02%	10.4%	30.5%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Cyanide compounds	1,058	1,058	0	0	4,400	155	0.01%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT BARNEYS CANYON MINING CO	COPPERTON	UT	Cyanide compounds	879	879	0	0	4,400	58	0.00%	8.1%	26.9%	19.4%	1.0%	13.2%
US BORAX INC	WILMINGTON	CA	Zinc and zinc compounds	1,276	1,276	0	0	100	55	0.00%	18.2%	41.2%	76.4%	7.9%	53.9%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Antimony and antimony compounds	139	139	0	0	18,000	43	0.00%	10.6%	31.0%	27.5%	1.4%	18.9%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Hydrochloric acid	5,525	5,525	0	0	180	33	0.00%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Thallium and thallium compounds	118	118	0	0	14,000	27	0.00%	10.4%	30.5%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Copper and copper compounds	549	549	0	0	1,500	27	0.00%	7.6%	25.8%	22.8%	1.0%	15.4%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Mercury and mercury compounds	33	33	0	0	12,000	13	0.00%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Ammonia	11,522	11,522	9	9	35	7	0.00%	10.4%	30.6%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Ammonia	4,135	4,135	206	206	35	5	0.00%	7.7%	25.9%	22.9%	1.0%	15.5%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Hydrochloric acid	500	500	0	0	180	2	0.00%	11.2%	32.7%	28.5%	1.4%	19.8%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Zinc and zinc compounds	868	868	0	0	100	1	0.00%	10.4%	30.6%	27.3%	1.4%	18.7%
KENNECOTT BARNEYS CANYON MINING CO	COPPERTON	UT	Mercury and mercury compounds	6	6	0	0	12,000	1	0.00%	8.6%	27.3%	21.3%	1.1%	14.4%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Antimony and antimony compounds	2	2	0	0	18,000	1	0.00%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Mercury and mercury compounds	5	5	0	0	12,000	1	0.00%	10.4%	30.5%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Silver and silver compounds	242	242	0	0	200	1	0.00%	10.5%	30.8%	27.4%	1.4%	18.8%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Selenium and selenium compounds	311	311	0	0	180	1	0.00%	11.1%	32.5%	29.2%	1.4%	20.3%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Selenium and selenium compounds	115	115	0	0	180	1	0.00%	7.6%	25.8%	23.3%	1.0%	15.8%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Vanadium and vanadium compounds	195	195	0	0	140	0	0.00%	10.4%	30.5%	27.3%	1.4%	18.7%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Vanadium and vanadium compounds	95	95	0	0	140	0	0.00%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Thallium and thallium compounds	1	1	0	0	14,000	0	0.00%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Zinc and zinc compounds	79	79	0	0	100	0	0.00%	7.9%	26.2%	23.4%	1.0%	15.8%
KENNECOTT UTAH COPPER SMELTER & REFINERY	MAGNA	UT	Nitric acid	22	22	0	0	270	0	0.00%	10.9%	31.7%	28.0%	1.4%	19.3%
ALCAN CABLE	SEDALIA	MO	Lead and lead compounds	0	0	0	0	18,000	0	0.00%	16.4%	41.7%	14.8%	3.8%	7.9%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Silver and silver compounds	2	2	0	0	200	0	0.00%	8.0%	26.3%	23.5%	1.0%	15.9%
KENNECOTT BARNEYS CANYON MINING CO	COPPERTON	UT	Lead and lead compounds	0	0	0	0	18,000	0	0.00%	8.1%	26.9%	19.4%	1.0%	13.2%
KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT	BINGHAM CANYON	UT	Cresol (mixed isomers)	0	0	780	780	6	0	0.00%	8.1%	32.7%	33.3%	2.4%	27.4%

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

For the Rv (revisions) column,
* indicates that the record contains one or more chemicals at facilities whose TRI air releases or incineration transfers for 2010 were revised downwards since 2010, and whose hazard and score have been adjusted accordingly.
** indicates one or more chemicals at facilities whose quantities were revised upwards, or both upwards and downwards. Chemicals revised upwards had their pounds adjusted, but not their score.
*** indicates that the RSEI microdata do not match the public RSEI data.

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