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Westlake Chemical

Rank in Toxic 100 Water: 30
Surface Water releases 2020 (lbs): 188,412
POTW (sewerage plant) transfers 2020 (lbs): 0
Total Surface Water and POTW Toxic Hazard 2020: 711,777,192
Percentage of national total 2020 surface water and POTW hazard: 0.1%
EJ: Near Poor Share: 20%
EJ: Minority Share: 8%

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This company is rank 41 on the Toxic 100 Air list.
This company is rank 98 on the Greenhouse 100 list.

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.)
1,2-Dichloroethane 6,566 0 597,487,800 83.94%
Vinyl chloride 39 0 58,500,000 8.22%
Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processi 81 0 13,770,000 1.93%
Chloroform 2,207 0 13,459,772 1.89%
Lead 530 0 9,540,000 1.34%
Trichloroethylene 1,300 0 5,980,000 0.84%
Lead compounds 135 0 2,430,000 0.34%
Carbon tetrachloride 29 0 2,030,000 0.29%
Hexachlorobenzene 1 0 1,872,000 0.26%
Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like 0 0 1,853,830 0.26%
Tetrachloroethylene 720 0 1,512,000 0.21%
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or brom 912 0 1,368,000 0.19%
Antimony compounds 250 0 625,000 0.09%
Copper 215 0 322,920 0.05%
1,1,1,2-Tetrachloroethane 66 0 171,600 0.02%
Benzene 3 0 165,000 0.02%
Nickel 1,700 0 154,700 0.02%
Chlorine 15,397 0 153,970 0.02%
Mercury compounds 14 0 140,000 0.02%
Manganese compounds 9,022 0 64,056 0.01%
Bis(2-chloroethyl) ether 0 0 55,000 0.01%
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 87,141 0 54,899 0.01%
Hexachloro-1,3-butadiene (Hexachlorobutadiene) 4 0 31,200 0.00%
Dichloromethane (Methylene chloride) 9 0 18,800 0.00%
Ethylidene dichloride (1,1-Dichloroethane) 1,000 0 5,000 0.00%
Nickel compounds 40 0 3,640 0.00%
1,2-Dichloroethylene 33 0 3,630 0.00%
1,1,1-Trichloroethane 3,600 0 1,800 0.00%
Ethylbenzene 1 0 1,100 0.00%
Naphthalene 17 0 861 0.00%
Styrene 60 0 302 0.00%
Zinc compounds 81 0 267 0.00%
Toluene 3 0 39 0.00%
Phenol 1 0 3 0.00%
Xylene (mixed isomers) 1 0 3 0.00%
Phenanthrene 14 0 0 0.00%
Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia i 57,219 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 2020, 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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