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