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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: Hispanic Share.)
(Links on chemical names lead to Scorecard chemical health effects.)
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%
Formaldehyde 30,611 0 46,000 35,099 5.53% 20.8% 46.3% 51.0% 26.1% 22.0%
Ethylene 1,833,891 0 1 34 0.01% 14.8% 36.8% 28.8% 15.9% 10.4%
Ammonia 65,618 1 7 7 0.00% 17.4% 38.1% 36.7% 24.2% 8.9%
tert-Butyl alcohol 1,645 509 10 1 0.00% 12.8% 33.9% 23.8% 13.7% 7.6%
Zinc compounds 90 0 100 0 0.00% 21.1% 39.6% 51.7% 41.4% 6.4%
Sodium nitrite 10 0 10 0 0.00% 13.9% 27.5% 42.8% 33.3% 4.9%
Chloroprene 6,042 0 1,100,000 132,273 20.84% 15.1% 29.7% 43.8% 34.1% 4.9%
Chloroform 55,654 6,445 82,000 54,622 8.61% 15.6% 31.5% 38.8% 29.9% 4.5%
Bis(2-chloroethyl)ether 23 5,831 1,200,000 389 0.06% 14.3% 29.5% 36.2% 27.6% 4.5%
Chlorine 52,110 0 23,000 7,642 1.20% 16.6% 37.0% 28.2% 19.9% 4.4%
1,2,4-Trimethylbenzene 2 0 58 0 0.00% 15.9% 36.9% 21.2% 13.7% 4.3%
Dinitrobutyl phenol (Dinoseb) 9 0 1,000 0 0.00% 15.9% 37.0% 21.6% 14.0% 4.3%
Methyl tert-butyl ether 141 0 93 0 0.00% 15.9% 37.0% 21.6% 14.0% 4.3%
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%
Polycyclic aromatic compounds 32 19 390,000 49 0.01% 19.3% 37.1% 41.8% 33.8% 4.0%
Nickel compounds 156 0 930,000 1,445 0.23% 20.3% 40.5% 53.0% 45.4% 4.0%
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%
Phenol 160 0 18 0 0.00% 20.4% 41.9% 54.5% 47.2% 3.9%
Styrene 31,338 314 4 1 0.00% 15.4% 36.7% 21.0% 13.6% 3.8%
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%
Chlorodifluoromethane (HCFC-22) 24,104 0 0 0 0.00% 19.7% 42.2% 54.5% 47.5% 3.8%
CFC-12 14,760 0 5 2 0.00% 19.7% 42.2% 54.5% 47.5% 3.8%
Acetophenone 45 0 10 0 0.00% 19.7% 42.4% 54.8% 47.8% 3.7%
1,2-Dichloroethane 173,203 37,735 93,000 271,151 42.72% 15.6% 33.4% 28.1% 20.9% 3.7%
Ethylene oxide 5 0 11,000,000 664 0.10% 16.7% 36.7% 29.6% 22.3% 3.7%
1,3-Butadiene 15,109 0 110,000 7,859 1.24% 16.5% 39.1% 14.7% 9.0% 3.7%
Cumene 21,748 0 9 5 0.00% 19.5% 42.3% 53.0% 46.1% 3.7%
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%
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%
Methanol 26,743 0 0 0 0.00% 19.8% 42.7% 55.0% 48.1% 3.6%
Toluene 11,663 0 1 0 0.00% 16.9% 38.2% 18.5% 12.5% 3.6%
Propylene (Propene) 91,826 0 1 1 0.00% 13.6% 34.8% 15.3% 9.6% 3.6%
Xylene (mixed isomers) 8,049 0 35 2 0.00% 18.3% 36.6% 29.9% 23.0% 3.6%
Dichlorobenzene (mixed isomers) 63 4,500 18 0 0.00% 15.5% 36.0% 25.7% 18.3% 3.6%
1,1,2-Trichloroethane 11,028 73,976 5,700 1,872 0.29% 15.4% 35.4% 26.7% 19.6% 3.6%
Hexachloroethane 326 3,600 14,000 162 0.03% 16.1% 37.0% 30.9% 23.8% 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%
Tetrachloroethylene (Perchloroethylene) 66,042 36,190 930 1,177 0.19% 15.2% 35.8% 25.1% 18.0% 3.5%
Copper compounds 1,110 0 1,500 30 0.00% 15.1% 35.6% 25.1% 18.1% 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%
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%
1,2-Dichloroethylene 5,864 6,070 110 18 0.00% 15.3% 35.7% 25.2% 18.2% 3.5%
Biphenyl 5,934 12,000 800 161 0.03% 15.1% 35.7% 24.7% 17.7% 3.5%
Hydrochloric acid 158,373 0 180 483 0.08% 15.8% 35.7% 25.2% 18.2% 3.5%
Vinyl acetate 82,127 449,649 18 89 0.01% 9.8% 29.7% 14.7% 9.1% 3.5%
1,4-Dichloro-2-butene 1 34 9,300,000 299 0.05% 15.5% 36.2% 22.9% 16.2% 3.4%
Benzene 32,208 16,025 28,000 9,423 1.48% 16.3% 37.4% 14.0% 8.3% 3.4%
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%
Dichloromethane 54 0 36 0 0.00% 18.6% 37.4% 30.3% 23.6% 3.4%
Carbon tetrachloride 15,672 1,514 21,000 5,077 0.80% 15.5% 34.1% 19.2% 12.7% 3.3%
Chlorobenzene 193 2,157 4 0 0.00% 15.6% 34.6% 18.1% 11.8% 3.2%
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%
Anthracene 234 0 3 0 0.00% 15.7% 34.0% 7.7% 2.5% 2.7%
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%
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%
Antimony compounds 1,060 0 18,000 926 0.15% 11.5% 22.5% 38.7% 33.5% 2.1%
Phthalic anhydride 3,352 2,120 180 13 0.00% 23.3% 53.7% 67.9% 61.0% 1.1%
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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