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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 EJ: Poor Share.)
(Links on chemical names lead to Scorecard chemical health effects.)
Phthalic anhydride 3,352 2,120 180 13 0.00% 23.3% 53.7% 67.9% 61.0% 1.1%
Butyl acrylate 1,424 0 3,500 146 0.02% 22.6% 48.2% 56.2% 29.3% 23.8%
Methyl acrylate 4,094 0 180 22 0.00% 22.4% 48.0% 55.6% 28.9% 23.6%
Ethylene glycol 5,763 0 9 2 0.00% 22.3% 48.0% 55.5% 28.8% 23.6%
n-Hexane 26,069 0 5 4 0.00% 21.8% 47.4% 54.0% 27.9% 23.0%
Maleic anhydride 4,203 0 5,000 620 0.10% 21.8% 47.3% 53.7% 27.7% 22.9%
Acetaldehyde 6,258 0 7,900 1,254 0.20% 21.4% 47.0% 52.9% 27.2% 22.7%
Zinc compounds 90 0 100 0 0.00% 21.1% 39.6% 51.7% 41.4% 6.4%
Lead compounds 2 0 23,000 0 0.00% 20.9% 38.5% 51.3% 42.9% 4.2%
Asbestos (friable) 3 0 170,000,000 3,102 0.49% 20.9% 38.5% 51.3% 42.9% 4.2%
Formaldehyde 30,611 0 46,000 35,099 5.53% 20.8% 46.3% 51.0% 26.1% 22.0%
Phenol 160 0 18 0 0.00% 20.4% 41.9% 54.5% 47.2% 3.9%
Nickel compounds 156 0 930,000 1,445 0.23% 20.3% 40.5% 53.0% 45.4% 4.0%
Methanol 26,743 0 0 0 0.00% 19.8% 42.7% 55.0% 48.1% 3.6%
Chromium compounds 22 0 43,000,000 6,382 1.01% 19.8% 41.7% 54.2% 47.0% 3.8%
Chloromethane 53 0 640 1 0.00% 19.7% 42.0% 54.4% 47.3% 3.8%
Acetophenone 45 0 10 0 0.00% 19.7% 42.4% 54.8% 47.8% 3.7%
CFC-12 14,760 0 5 2 0.00% 19.7% 42.2% 54.5% 47.5% 3.8%
Chlorodifluoromethane (HCFC-22) 24,104 0 0 0 0.00% 19.7% 42.2% 54.5% 47.5% 3.8%
Cumene 21,748 0 9 5 0.00% 19.5% 42.3% 53.0% 46.1% 3.7%
Polycyclic aromatic compounds 32 19 390,000 49 0.01% 19.3% 37.1% 41.8% 33.8% 4.0%
Dichloromethane 54 0 36 0 0.00% 18.6% 37.4% 30.3% 23.6% 3.4%
Xylene (mixed isomers) 8,049 0 35 2 0.00% 18.3% 36.6% 29.9% 23.0% 3.6%
Dioxin and dioxin-like compounds 0 1 1,400,000,000 2 0.00% 17.9% 35.7% 37.6% 29.7% 4.0%
Ethylbenzene 8,549 0 890 106 0.02% 17.5% 40.8% 26.9% 20.7% 3.9%
Ammonia 65,618 1 7 7 0.00% 17.4% 38.1% 36.7% 24.2% 8.9%
Toluene 11,663 0 1 0 0.00% 16.9% 38.2% 18.5% 12.5% 3.6%
Ethylene oxide 5 0 11,000,000 664 0.10% 16.7% 36.7% 29.6% 22.3% 3.7%
Chlorine 52,110 0 23,000 7,642 1.20% 16.6% 37.0% 28.2% 19.9% 4.4%
1,3-Butadiene 15,109 0 110,000 7,859 1.24% 16.5% 39.1% 14.7% 9.0% 3.7%
Hexachlorobenzene 559 4,014 1,600,000 3,843 0.61% 16.5% 36.3% 11.7% 6.5% 2.6%
1,4-Dichlorobenzene 24 4 3,900 0 0.00% 16.4% 36.3% 10.0% 5.0% 2.5%
Benzene 32,208 16,025 28,000 9,423 1.48% 16.3% 37.4% 14.0% 8.3% 3.4%
Copper 21 0 1,500 0 0.00% 16.3% 36.2% 9.9% 4.9% 2.5%
Vinyl chloride 188,563 664 31,000 69,019 10.87% 16.3% 34.8% 23.5% 17.1% 3.2%
Naphthalene 7,894 1,625 12,000 412 0.06% 16.1% 36.2% 10.5% 5.3% 2.8%
Hexachloroethane 326 3,600 14,000 162 0.03% 16.1% 37.0% 30.9% 23.8% 3.6%
Methyl tert-butyl ether 141 0 93 0 0.00% 15.9% 37.0% 21.6% 14.0% 4.3%
Dinitrobutyl phenol (Dinoseb) 9 0 1,000 0 0.00% 15.9% 37.0% 21.6% 14.0% 4.3%
1,2,4-Trimethylbenzene 2 0 58 0 0.00% 15.9% 36.9% 21.2% 13.7% 4.3%
Hydrochloric acid 158,373 0 180 483 0.08% 15.8% 35.7% 25.2% 18.2% 3.5%
Lead 11 0 23,000 0 0.00% 15.7% 36.3% 26.3% 18.6% 3.7%
1,2,4-Trichlorobenzene 7 5,600 18 0 0.00% 15.7% 36.3% 26.3% 18.6% 3.7%
Polychlorinated biphenyls (PCBs) 0 90 360,000 0 0.00% 15.7% 36.3% 26.3% 18.6% 3.7%
Anthracene 234 0 3 0 0.00% 15.7% 34.0% 7.7% 2.5% 2.7%
1,1,2,2-Tetrachloroethane 1,422 9,997 210,000 6,877 1.08% 15.6% 35.7% 23.8% 17.1% 3.4%
Chlorobenzene 193 2,157 4 0 0.00% 15.6% 34.6% 18.1% 11.8% 3.2%
1,2-Dichloroethane 173,203 37,735 93,000 271,151 42.72% 15.6% 33.4% 28.1% 20.9% 3.7%
Chloroform 55,654 6,445 82,000 54,622 8.61% 15.6% 31.5% 38.8% 29.9% 4.5%
Carbon tetrachloride 15,672 1,514 21,000 5,077 0.80% 15.5% 34.1% 19.2% 12.7% 3.3%
Chloroethane (Ethyl chloride) 22,594 95 0 0 0.00% 15.5% 35.4% 27.9% 20.6% 3.7%
1,4-Dichloro-2-butene 1 34 9,300,000 299 0.05% 15.5% 36.2% 22.9% 16.2% 3.4%
Dichlorobenzene (mixed isomers) 63 4,500 18 0 0.00% 15.5% 36.0% 25.7% 18.3% 3.6%
Dicyclopentadiene 8,343 0 18,000 317 0.05% 15.4% 35.0% 8.4% 3.5% 2.5%
Styrene 31,338 314 4 1 0.00% 15.4% 36.7% 21.0% 13.6% 3.8%
1,1,2-Trichloroethane 11,028 73,976 5,700 1,872 0.29% 15.4% 35.4% 26.7% 19.6% 3.6%
1,2-Dichloroethylene 5,864 6,070 110 18 0.00% 15.3% 35.7% 25.2% 18.2% 3.5%
Ethylidene dichloride 6,281 14 570 101 0.02% 15.2% 35.5% 25.5% 18.4% 3.5%
Tetrachloroethylene (Perchloroethylene) 66,042 36,190 930 1,177 0.19% 15.2% 35.8% 25.1% 18.0% 3.5%
Hexachloro-1,3-butadiene 336 33,000 7,900 85 0.01% 15.2% 35.8% 25.0% 17.9% 3.5%
1,1,1-Trichloroethane 35,416 29,600 1 1 0.00% 15.2% 35.8% 25.0% 18.0% 3.5%
1,1,1,2-Tetrachloroethane 3,851 4,430 2,600 369 0.06% 15.2% 35.7% 25.0% 18.0% 3.5%
Bromine 24 0 2,100 2 0.00% 15.2% 35.7% 25.0% 18.0% 3.5%
Trichloroethylene 24,618 9,729 15,000 11,072 1.74% 15.2% 35.6% 25.4% 18.3% 3.5%
1,2-Butylene oxide 435 1 180 3 0.00% 15.1% 35.7% 25.0% 17.9% 3.5%
Chloroprene 6,042 0 1,100,000 132,273 20.84% 15.1% 29.7% 43.8% 34.1% 4.9%
Vinylidene chloride 3,483 360 18 2 0.00% 15.1% 35.0% 27.1% 19.8% 3.6%
Biphenyl 5,934 12,000 800 161 0.03% 15.1% 35.7% 24.7% 17.7% 3.5%
Copper compounds 1,110 0 1,500 30 0.00% 15.1% 35.6% 25.1% 18.1% 3.5%
Mercury compounds 128 0 12,000 10 0.00% 15.1% 35.9% 5.3% 2.8% 0.8%
Ethylene 1,833,891 0 1 34 0.01% 14.8% 36.8% 28.8% 15.9% 10.4%
Bis(2-chloroethyl)ether 23 5,831 1,200,000 389 0.06% 14.3% 29.5% 36.2% 27.6% 4.5%
Sodium nitrite 10 0 10 0 0.00% 13.9% 27.5% 42.8% 33.3% 4.9%
Propylene (Propene) 91,826 0 1 1 0.00% 13.6% 34.8% 15.3% 9.6% 3.6%
tert-Butyl alcohol 1,645 509 10 1 0.00% 12.8% 33.9% 23.8% 13.7% 7.6%
Antimony compounds 1,060 0 18,000 926 0.15% 11.5% 22.5% 38.7% 33.5% 2.1%
Vinyl acetate 82,127 449,649 18 89 0.01% 9.8% 29.7% 14.7% 9.1% 3.5%
Pentachloroethane 554 16,002 0 0 0.00% 0.0% 0.0% 0.0% 0.0% 0.0%
Isoprene 99 0 0 0 0.00% 0.0% 0.0% 0.0% 0.0% 0.0%
Phenanthrene 2 667 0 0 0.00% 0.0% 0.0% 0.0% 0.0% 0.0%
trans-1,4-Dichloro-2-butene 4 0 0 0 0.00% 0.0% 0.0% 0.0% 0.0% 0.0%
Pentachlorobenzene 0 2,783 1,300 0 0.00% 0.0% 0.0% 0.0% 0.0% 0.0%

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

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