PERI: Toxic 100 Index

Dominion Resources Inc.

Rank in Toxic 100: 83
Rank among all TRI companies: 247
Air releases 2010 (lbs): 11,826,494
Incineration transfers 2010 (lbs): 0
Total Air and Incineration Toxic Score 2010: 164,155
Percentage of national total 2010 toxic air and incineration score: 0.042%
EJ: Poor Share: 11.9%
EJ: Minority Share: 40.3%

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Chemical	Air releases (lbs)	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
Hydrogen cyanide	51,300	0	4,400	36	0.02%	18.1%	44.0%	38.8%	35.6%	1.7%
Hydrogen fluoride	1,196,494	0	250	1,720	1.05%	15.1%	33.3%	53.5%	34.5%	14.1%
Sulfuric acid	1,357,278	0	3,500	11,064	6.74%	12.2%	28.4%	48.2%	33.5%	8.4%
Mercury and mercury compounds	1,056	0	12,000	50	0.03%	14.5%	32.3%	50.8%	33.4%	12.4%
Barium and barium compounds	25,128	0	7,000	1,437	0.88%	18.3%	38.1%	61.2%	33.3%	23.6%
Hydrochloric acid	8,671,661	0	180	10,521	6.41%	14.9%	32.9%	51.8%	33.1%	13.7%
Lead and lead compounds	1,430	0	18,000	110	0.07%	15.1%	32.8%	53.8%	32.2%	16.1%
Zinc and zinc compounds	3,160	0	100	2	0.00%	16.6%	35.3%	54.6%	31.6%	18.4%
Arsenic and arsenic compounds	617	0	15,000,000	24,327	14.82%	12.4%	28.9%	41.3%	30.7%	5.4%
Nickel and nickel compounds	28,967	0	930,000	65,889	40.14%	10.3%	25.6%	42.8%	30.6%	6.1%
Copper and copper compounds	827	0	1,500	7	0.00%	17.1%	36.2%	50.6%	26.9%	19.3%
Manganese and manganese compounds	4,375	0	70,000	1,160	0.71%	15.2%	33.6%	44.4%	26.1%	13.6%
Vanadium and vanadium compounds	2,166	0	140	2	0.00%	15.1%	32.7%	45.6%	24.6%	15.9%
Polycyclic aromatic compounds	11	0	1,300,000	73	0.04%	10.9%	25.6%	38.9%	23.0%	8.6%
n-Hexane	6,520	0	5	0	0.00%	7.6%	18.2%	51.4%	23.0%	15.1%
Chromium and chromium compounds	1,821	0	43,000,000	33,358	20.32%	12.7%	29.4%	33.2%	22.4%	5.7%
Ammonia	464,247	0	35	126	0.08%	10.2%	22.7%	42.9%	21.8%	11.5%
Cobalt and cobalt compounds	306	0	17,000,000	14,258	8.69%	12.6%	28.5%	25.2%	13.9%	6.3%
Naphthalene	12	0	12,000	1	0.00%	10.4%	22.4%	25.6%	7.1%	10.9%
Selenium and selenium compounds	9,104	0	180	3	0.00%	12.9%	29.2%	15.8%	4.3%	6.7%
Beryllium and beryllium compounds	14	0	8,600,000	12	0.01%	16.5%	41.4%	4.3%	1.8%	1.2%
Benzo(g,h,i)perylene	0	0	0	0	0.00%	0.0%	0.0%	0.0%	0.0%	0.0%

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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