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

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

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