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Westlake Chemical

Rank in Toxic 100 Air Polluters: 12
Rank among all TRI companies: 21
Air releases 2021 (lbs): 4,589,888
Incineration transfers 2021 (lbs): 6,182,443
Total Air and Incineration Toxic Score 2021: 2,360,427
Percentage of national total 2021 toxic air and incineration score: 0.7%
EJ: Poor Share: 15%
EJ: Minority Share: 26%

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 32 on the Toxic 100 Water Polluters list.
This company is rank 95 on the Greenhouse 100 Polluters list.

Chemicals displayed below: (
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(Click on column headers to re-sort table: current sort is by percent of total company score.)
(Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on health effects.)
Ethylene oxide 5,265 0 1,620,031 68.63% 14.9% 24.2%
1,2-Dichloroethane 208,400 2,166,201 479,793 20.33% 16.1% 26.9%
Vinyl chloride 185,782 741 74,709 3.17% 16.1% 25.8%
Formaldehyde 30,647 0 38,863 1.65% 19.8% 51.6%
Chloroform 60,238 1,291 37,616 1.59% 15.5% 38.3%
1,3-Butadiene 19,758 554 21,602 0.92% 14.8% 18.1%
Chromium 110 0 17,064 0.72% 15.7% 26.7%
Benzene 51,589 96,600 16,775 0.71% 15.4% 15.7%
Trichloroethylene 22,099 5,044 9,875 0.42% 15.6% 26.9%
Chlorine 55,576 0 7,518 0.32% 16.3% 28.6%
1,1,2,2-Tetrachloroethane 1,551 30,225 6,799 0.29% 15.7% 28.0%
Nickel 430 0 6,366 0.27% 15.7% 26.7%
Carbon tetrachloride 14,631 1,755 4,679 0.20% 15.7% 18.7%
Hexachlorobenzene 559 5,891 2,946 0.12% 15.6% 11.4%
1,1,2-Trichloroethane 15,708 1,521,087 2,827 0.12% 15.9% 27.1%
Acetaldehyde 10,168 0 2,286 0.10% 20.2% 52.2%
Asbestos (friable) 3 0 1,863 0.08% 19.5% 52.0%
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.) 0 0 1,799 0.08% 24.9% 50.5%
Maleic anhydride 6,899 0 1,085 0.05% 20.4% 53.1%
Tetrachloroethylene 47,486 43,262 1,053 0.04% 15.7% 26.7%
Nickel compounds 129 0 600 0.03% 18.7% 52.9%
1,1,1,2-Tetrachloroethane 5,291 6,200 504 0.02% 15.7% 26.7%
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 158,459 8 451 0.02% 19.2% 23.6%
Chloroprene 36 0 408 0.02% 14.4% 30.6%
Certain glycol ethers 40,875 0 396 0.02% 15.3% 36.6%
Naphthalene 7,819 22,823 363 0.02% 15.1% 13.0%
1,4-Dichloro-2-butene 1 74,830 305 0.01% 16.7% 23.3%
Dicyclopentadiene 8,512 1,109 262 0.01% 14.8% 8.3%
Antimony compounds 358 0 230 0.01% 10.0% 41.1%
Butyl acrylate 1,984 0 211 0.01% 21.0% 55.9%
Ethylbenzene 9,397 18,983 184 0.01% 15.0% 21.9%
Hexachloroethane 276 155,818 139 0.01% 15.8% 29.1%
Bis(2-chloroethyl) ether 13 99,312 136 0.01% 16.4% 20.3%
Ethylidene dichloride (1,1-Dichloroethane) 7,500 18 132 0.01% 15.7% 26.6%
Allyl alcohol 3,594 0 114 0.00% 15.4% 9.8%
1,2-Dichloroethylene 22,047 8,204 85 0.00% 15.6% 26.7%
Ethylene 2,816,161 0 60 0.00% 15.2% 29.6%
Polycyclic aromatic compounds 38 9 57 0.00% 16.6% 33.2%
Vinyl acetate 76,884 0 49 0.00% 13.6% 23.2%
Lead 19 0 31 0.00% 12.9% 69.0%
Phthalic anhydride 3,352 7,857 27 0.00% 20.6% 69.9%
Methyl acrylate 4,459 0 25 0.00% 20.9% 55.3%
Hexachloro-1,3-butadiene (Hexachlorobutadiene) 121 33,002 16 0.00% 15.7% 26.6%
Mercury compounds 163 0 13 0.00% 15.4% 5.6%
Dichloromethane (Methylene chloride) 8,402 149,619 11 0.00% 15.7% 26.7%
n-Hexane (Hexane) 68,719 0 10 0.00% 19.8% 50.1%
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) 120,131 0 8 0.00% 16.4% 23.1%
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 375 0 8 0.00% 15.6% 26.6%
Manganese 2 0 6 0.00% 12.8% 71.3%
Dichlorodifluoromethane (CFC-12) 34,472 0 6 0.00% 17.2% 54.6%
Ethylene glycol 11,367 0 4 0.00% 14.9% 28.9%
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 5 4 0.00% 16.9% 28.7%
1,2-Butylene oxide 613 0 4 0.00% 15.6% 26.6%
Acetophenone 130,105 0 4 0.00% 15.8% 11.6%
Propylene 153,432 173,894 3 0.00% 15.2% 16.5%
Xylene (mixed isomers) 6,883 20,066 2 0.00% 15.6% 18.5%
Vinylidene chloride (1,1-Dichloroethylene) 3,386 2,300 2 0.00% 15.6% 27.5%
Bromine 24 0 2 0.00% 15.7% 26.7%
Styrene 18,758 33,860 1 0.00% 14.7% 22.4%
1,1,1-Trichloroethane 34,121 1,900 1 0.00% 15.7% 26.5%
Biphenyl 149 0 1 0.00% 15.5% 9.9%
1,4-Dichlorobenzene (p-Dichlorobenzene) 42 1 1 0.00% 15.6% 10.1%
Zinc compounds 594 0 0 0.00% 15.6% 27.7%
Methyl tert-butyl ether 270 0 0 0.00% 15.8% 24.4%
Mercury 1 0 0 0.00% 15.0% 24.2%
Lead compounds 2 0 0 0.00% 16.7% 53.3%
Chloroethane 19,396 8 0 0.00% 15.6% 28.6%
Cumene 2,357 2,605 0 0.00% 16.1% 11.1%
Toluene 15,739 78,793 0 0.00% 15.4% 20.6%
Methanol 36,210 7 0 0.00% 17.0% 52.5%
Chlorobenzene 3,055 1,003,078 0 0.00% 15.2% 43.7%
Copper 26 0 0 0.00% 15.5% 10.0%
Dinitrobutyl phenol (Dinoseb) 5 0 0 0.00% 15.8% 24.4%
1,2,4-Trimethylbenzene 48 111 0 0.00% 15.4% 23.6%
Polychlorinated biphenyls 0 59 0 0.00% 16.3% 27.6%
Phenol 329 0 0 0.00% 18.3% 54.4%
Chlorodifluoromethane (HCFC-22) 11,000 0 0 0.00% 15.7% 26.7%
tert-Butyl alcohol (tert-Butanol) 564 0 0 0.00% 19.9% 51.1%
Dichlorobenzene (mixed isomers) 16 8,600 0 0.00% 15.8% 26.8%
Anthracene 195 0 0 0.00% 15.5% 7.8%
Hexachlorocyclopentadiene 0 0 0 0.00% 16.3% 27.6%
Pentachlorobenzene 1 4,200 0 0.00% 16.3% 27.6%
1,2,4-Trichlorobenzene 12 11,000 0 0.00% 16.3% 27.6%
Pentachloroethane 1,570 390,959 0 0.00% 0.0% 0.0%
Isoprene 3,133 554 0 0.00% 0.0% 0.0%
Phenanthrene 2 0 0 0.00% 0.0% 0.0%
trans-1,4-Dichloro-2-butene 3 0 0 0.00% 0.0% 0.0%

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

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