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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: Minority 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%
Methanol 26,743 0 0 0 0.00% 19.8% 42.7% 55.0% 48.1% 3.6%
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%
Phenol 160 0 18 0 0.00% 20.4% 41.9% 54.5% 47.2% 3.9%
Chloromethane 53 0 640 1 0.00% 19.7% 42.0% 54.4% 47.3% 3.8%
Chromium compounds 22 0 43,000,000 6,382 1.01% 19.8% 41.7% 54.2% 47.0% 3.8%
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%
Nickel compounds 156 0 930,000 1,445 0.23% 20.3% 40.5% 53.0% 45.4% 4.0%
Cumene 21,748 0 9 5 0.00% 19.5% 42.3% 53.0% 46.1% 3.7%
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%
Chloroprene 6,042 0 1,100,000 132,273 20.84% 15.1% 29.7% 43.8% 34.1% 4.9%
Sodium nitrite 10 0 10 0 0.00% 13.9% 27.5% 42.8% 33.3% 4.9%
Polycyclic aromatic compounds 32 19 390,000 49 0.01% 19.3% 37.1% 41.8% 33.8% 4.0%
Chloroform 55,654 6,445 82,000 54,622 8.61% 15.6% 31.5% 38.8% 29.9% 4.5%
Antimony compounds 1,060 0 18,000 926 0.15% 11.5% 22.5% 38.7% 33.5% 2.1%
Dioxin and dioxin-like compounds 0 1 1,400,000,000 2 0.00% 17.9% 35.7% 37.6% 29.7% 4.0%
Ammonia 65,618 1 7 7 0.00% 17.4% 38.1% 36.7% 24.2% 8.9%
Bis(2-chloroethyl)ether 23 5,831 1,200,000 389 0.06% 14.3% 29.5% 36.2% 27.6% 4.5%
Hexachloroethane 326 3,600 14,000 162 0.03% 16.1% 37.0% 30.9% 23.8% 3.6%
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%
Ethylene oxide 5 0 11,000,000 664 0.10% 16.7% 36.7% 29.6% 22.3% 3.7%
Ethylene 1,833,891 0 1 34 0.01% 14.8% 36.8% 28.8% 15.9% 10.4%
Chlorine 52,110 0 23,000 7,642 1.20% 16.6% 37.0% 28.2% 19.9% 4.4%
1,2-Dichloroethane 173,203 37,735 93,000 271,151 42.72% 15.6% 33.4% 28.1% 20.9% 3.7%
Chloroethane (Ethyl chloride) 22,594 95 0 0 0.00% 15.5% 35.4% 27.9% 20.6% 3.7%
Vinylidene chloride 3,483 360 18 2 0.00% 15.1% 35.0% 27.1% 19.8% 3.6%
Ethylbenzene 8,549 0 890 106 0.02% 17.5% 40.8% 26.9% 20.7% 3.9%
1,1,2-Trichloroethane 11,028 73,976 5,700 1,872 0.29% 15.4% 35.4% 26.7% 19.6% 3.6%
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%
Dichlorobenzene (mixed isomers) 63 4,500 18 0 0.00% 15.5% 36.0% 25.7% 18.3% 3.6%
Ethylidene dichloride 6,281 14 570 101 0.02% 15.2% 35.5% 25.5% 18.4% 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-Dichloroethylene 5,864 6,070 110 18 0.00% 15.3% 35.7% 25.2% 18.2% 3.5%
Hydrochloric acid 158,373 0 180 483 0.08% 15.8% 35.7% 25.2% 18.2% 3.5%
Copper compounds 1,110 0 1,500 30 0.00% 15.1% 35.6% 25.1% 18.1% 3.5%
Tetrachloroethylene (Perchloroethylene) 66,042 36,190 930 1,177 0.19% 15.2% 35.8% 25.1% 18.0% 3.5%
1,1,1-Trichloroethane 35,416 29,600 1 1 0.00% 15.2% 35.8% 25.0% 18.0% 3.5%
Bromine 24 0 2,100 2 0.00% 15.2% 35.7% 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%
Hexachloro-1,3-butadiene 336 33,000 7,900 85 0.01% 15.2% 35.8% 25.0% 17.9% 3.5%
1,2-Butylene oxide 435 1 180 3 0.00% 15.1% 35.7% 25.0% 17.9% 3.5%
Biphenyl 5,934 12,000 800 161 0.03% 15.1% 35.7% 24.7% 17.7% 3.5%
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%
tert-Butyl alcohol 1,645 509 10 1 0.00% 12.8% 33.9% 23.8% 13.7% 7.6%
Vinyl chloride 188,563 664 31,000 69,019 10.87% 16.3% 34.8% 23.5% 17.1% 3.2%
1,4-Dichloro-2-butene 1 34 9,300,000 299 0.05% 15.5% 36.2% 22.9% 16.2% 3.4%
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%
Styrene 31,338 314 4 1 0.00% 15.4% 36.7% 21.0% 13.6% 3.8%
Carbon tetrachloride 15,672 1,514 21,000 5,077 0.80% 15.5% 34.1% 19.2% 12.7% 3.3%
Toluene 11,663 0 1 0 0.00% 16.9% 38.2% 18.5% 12.5% 3.6%
Chlorobenzene 193 2,157 4 0 0.00% 15.6% 34.6% 18.1% 11.8% 3.2%
Propylene (Propene) 91,826 0 1 1 0.00% 13.6% 34.8% 15.3% 9.6% 3.6%
1,3-Butadiene 15,109 0 110,000 7,859 1.24% 16.5% 39.1% 14.7% 9.0% 3.7%
Vinyl acetate 82,127 449,649 18 89 0.01% 9.8% 29.7% 14.7% 9.1% 3.5%
Benzene 32,208 16,025 28,000 9,423 1.48% 16.3% 37.4% 14.0% 8.3% 3.4%
Hexachlorobenzene 559 4,014 1,600,000 3,843 0.61% 16.5% 36.3% 11.7% 6.5% 2.6%
Naphthalene 7,894 1,625 12,000 412 0.06% 16.1% 36.2% 10.5% 5.3% 2.8%
1,4-Dichlorobenzene 24 4 3,900 0 0.00% 16.4% 36.3% 10.0% 5.0% 2.5%
Copper 21 0 1,500 0 0.00% 16.3% 36.2% 9.9% 4.9% 2.5%
Dicyclopentadiene 8,343 0 18,000 317 0.05% 15.4% 35.0% 8.4% 3.5% 2.5%
Anthracene 234 0 3 0 0.00% 15.7% 34.0% 7.7% 2.5% 2.7%
Mercury compounds 128 0 12,000 10 0.00% 15.1% 35.9% 5.3% 2.8% 0.8%
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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