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Westlake Chemical

Rank in Toxic 100: 47
Rank among all TRI companies: 115
Air releases 2017 (lbs): 3,209,537
Incineration transfers 2017 (lbs): 777,365
Total Air and Incineration Toxic Score 2017: 634,732
Percentage of national total 2017 toxic air and incineration score: 0.2%
EJ: Poor Share: 16%
EJ: Minority Share: 32%

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 37 on the Toxic 100 Water list.
This company has information in PERI's Greenhouse database.

Chemicals displayed below: (
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(Click on column headers to re-sort table: current sort is by revised air releases.)
(Links on chemical names lead to Scorecard chemical health effects.)
Ethylene 1,833,891 0 34 0.01% 14.8% 28.8%
Vinyl chloride 188,563 664 69,019 10.87% 16.3% 23.5%
1,2-Dichloroethane 173,203 37,735 271,151 42.72% 15.6% 28.1%
Hydrochloric acid 158,373 0 483 0.08% 15.8% 25.2%
Propylene (Propene) 91,826 0 1 0.00% 13.6% 15.3%
Vinyl acetate 82,127 449,649 89 0.01% 9.8% 14.7%
Tetrachloroethylene (Perchloroethylene) 66,042 36,190 1,177 0.19% 15.2% 25.1%
Ammonia 65,618 1 7 0.00% 17.4% 36.7%
Chloroform 55,654 6,445 54,622 8.61% 15.6% 38.8%
Chlorine 52,110 0 7,642 1.20% 16.6% 28.2%
1,1,1-Trichloroethane 35,416 29,600 1 0.00% 15.2% 25.0%
Benzene 32,208 16,025 9,423 1.48% 16.3% 14.0%
Styrene 31,338 314 1 0.00% 15.4% 21.0%
Formaldehyde 30,611 0 35,099 5.53% 20.8% 51.0%
Methanol 26,743 0 0 0.00% 19.8% 55.0%
n-Hexane 26,069 0 4 0.00% 21.8% 54.0%
Trichloroethylene 24,618 9,729 11,072 1.74% 15.2% 25.4%
Chlorodifluoromethane (HCFC-22) 24,104 0 0 0.00% 19.7% 54.5%
Chloroethane (Ethyl chloride) 22,594 95 0 0.00% 15.5% 27.9%
Cumene 21,748 0 5 0.00% 19.5% 53.0%
Carbon tetrachloride 15,672 1,514 5,077 0.80% 15.5% 19.2%
1,3-Butadiene 15,109 0 7,859 1.24% 16.5% 14.7%
CFC-12 14,760 0 2 0.00% 19.7% 54.5%
Toluene 11,663 0 0 0.00% 16.9% 18.5%
1,1,2-Trichloroethane 11,028 73,976 1,872 0.29% 15.4% 26.7%
Ethylbenzene 8,549 0 106 0.02% 17.5% 26.9%
Dicyclopentadiene 8,343 0 317 0.05% 15.4% 8.4%
Xylene (mixed isomers) 8,049 0 2 0.00% 18.3% 29.9%
Naphthalene 7,894 1,625 412 0.06% 16.1% 10.5%
Ethylidene dichloride 6,281 14 101 0.02% 15.2% 25.5%
Acetaldehyde 6,258 0 1,254 0.20% 21.4% 52.9%
Chloroprene 6,042 0 132,273 20.84% 15.1% 43.8%
Biphenyl 5,934 12,000 161 0.03% 15.1% 24.7%
1,2-Dichloroethylene 5,864 6,070 18 0.00% 15.3% 25.2%
Ethylene glycol 5,763 0 2 0.00% 22.3% 55.5%
Maleic anhydride 4,203 0 620 0.10% 21.8% 53.7%
Methyl acrylate 4,094 0 22 0.00% 22.4% 55.6%
1,1,1,2-Tetrachloroethane 3,851 4,430 369 0.06% 15.2% 25.0%
Vinylidene chloride 3,483 360 2 0.00% 15.1% 27.1%
Phthalic anhydride 3,352 2,120 13 0.00% 23.3% 67.9%
tert-Butyl alcohol 1,645 509 1 0.00% 12.8% 23.8%
Butyl acrylate 1,424 0 146 0.02% 22.6% 56.2%
1,1,2,2-Tetrachloroethane 1,422 9,997 6,877 1.08% 15.6% 23.8%
Copper compounds 1,110 0 30 0.00% 15.1% 25.1%
Antimony compounds 1,060 0 926 0.15% 11.5% 38.7%
Hexachlorobenzene 559 4,014 3,843 0.61% 16.5% 11.7%
Pentachloroethane 554 16,002 0 0.00% 0.0% 0.0%
1,2-Butylene oxide 435 1 3 0.00% 15.1% 25.0%
Hexachloro-1,3-butadiene 336 33,000 85 0.01% 15.2% 25.0%
Hexachloroethane 326 3,600 162 0.03% 16.1% 30.9%
Anthracene 234 0 0 0.00% 15.7% 7.7%
Chlorobenzene 193 2,157 0 0.00% 15.6% 18.1%
Phenol 160 0 0 0.00% 20.4% 54.5%
Nickel compounds 156 0 1,445 0.23% 20.3% 53.0%
Methyl tert-butyl ether 141 0 0 0.00% 15.9% 21.6%
Mercury compounds 128 0 10 0.00% 15.1% 5.3%
Isoprene 99 0 0 0.00% 0.0% 0.0%
Zinc compounds 90 0 0 0.00% 21.1% 51.7%
Dichlorobenzene (mixed isomers) 63 4,500 0 0.00% 15.5% 25.7%
Dichloromethane 54 0 0 0.00% 18.6% 30.3%
Chloromethane 53 0 1 0.00% 19.7% 54.4%
Acetophenone 45 0 0 0.00% 19.7% 54.8%
Polycyclic aromatic compounds 32 19 49 0.01% 19.3% 41.8%
1,4-Dichlorobenzene 24 4 0 0.00% 16.4% 10.0%
Bromine 24 0 2 0.00% 15.2% 25.0%
Bis(2-chloroethyl)ether 23 5,831 389 0.06% 14.3% 36.2%
Chromium compounds 22 0 6,382 1.01% 19.8% 54.2%
Copper 21 0 0 0.00% 16.3% 9.9%
Lead 11 0 0 0.00% 15.7% 26.3%
Sodium nitrite 10 0 0 0.00% 13.9% 42.8%
Dinitrobutyl phenol (Dinoseb) 9 0 0 0.00% 15.9% 21.6%
1,2,4-Trichlorobenzene 7 5,600 0 0.00% 15.7% 26.3%
Ethylene oxide 5 0 664 0.10% 16.7% 29.6%
trans-1,4-Dichloro-2-butene 4 0 0 0.00% 0.0% 0.0%
Asbestos (friable) 3 0 3,102 0.49% 20.9% 51.3%
Phenanthrene 2 667 0 0.00% 0.0% 0.0%
1,2,4-Trimethylbenzene 2 0 0 0.00% 15.9% 21.2%
Lead compounds 2 0 0 0.00% 20.9% 51.3%
1,4-Dichloro-2-butene 1 34 299 0.05% 15.5% 22.9%
Polychlorinated biphenyls (PCBs) 0 90 0 0.00% 15.7% 26.3%
Dioxin and dioxin-like compounds 0 1 2 0.00% 17.9% 37.6%
Pentachlorobenzene 0 2,783 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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