PERI: Toxic 100 Water Polluters Index

Alcoa

Rank in Toxic 100 Water Polluters: 39
Surface Water releases 2021 (lbs): 14,416
POTW (sewerage plant) transfers 2021 (lbs): 0
Total Surface Water and POTW Toxic Hazard 2021: 222,021,498
EJ: Near Poor Share: 10%
EJ: Minority Share: 10%

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This company has information in PERI's Toxic 100 Air Polluters database.
This company has information in PERI's Greenhouse 100 Polluters database.
This company has information in PERI's Greenhouse 100 Suppliers database.

Chemicals displayed below: (display facilities) (display chemicals at facilities)
(Click on column headers to re-sort table: current sort is by percent of total company hazard.)
(Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on chemical health effects.)

Chemical	Surface water releases (lbs)	POTW transfers (lbs)	Toxic Hazard (quantity x toxicity)	Percent of total company hazard
Arsenic compounds	140	0	210,000,000	94.59%
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.)	44	0	7,480,000	3.37%
Lead compounds	140	0	2,516,580	1.13%
Polycyclic aromatic compounds	9	0	1,548,000	0.70%
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.)	138	0	207,000	0.09%
Nickel compounds	1,095	0	99,645	0.04%
Manganese compounds	10,146	0	72,037	0.03%
Beryllium compounds	55	0	27,500	0.01%
Benzo[g,h,i]perylene	1	0	26,000	0.01%
Vanadium compounds	171	0	23,940	0.01%
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,928	0	9,640	0.00%
Mercury compounds	1	0	8,000	0.00%
Lead	0	0	1,800	0.00%
Zinc compounds	411	0	1,356	0.00%
Cobalt	137	0	0	0.00%

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

Toxic hazard: Pounds of direct releases to surface water and pounds transferred to Publicly Operated Treatment Works (POTW's) reported in the US Environmental Protection Agency's Toxics Release Inventory for the year 2021, weighted by toxicity of chemicals. Weights are from the EPA's Risk-Screening Environmental Indicators project. For details, see technical notes.

Quantity of toxic surface water releases and POTW transfers: Pounds of toxic chemicals released directly to surface water at each TRI facility or transferred off-site to a POTW, without weighting for toxicity or population.

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