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