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Westlake Chemical

Rank in Toxic 100 Air Polluters: 31
Rank among all TRI companies: 51
Air releases 2022 (lbs): 3,658,414
Incineration transfers 2022 (lbs): 2,116,189
Total Air and Incineration Toxic Score 2022: 1,351,589
Percentage of national total 2022 toxic air and incineration score: 0.4%
EJ: Poor Share: 16%
EJ: Minority Share: 31%

You can also view this company's penalties in Violation Tracker.
You can also look at this company's subsidies in Subsidy Tracker.
This company is rank 51 on the Toxic 100 Water Polluters list.
This company is rank 90 on the Greenhouse 100 Polluters list.

Chemicals displayed below: (display facilities) (display chemicals at facilities)
Basic data displayed (display advanced data instead)
(Click on column headers to re-sort table: current sort is by Toxic Score
(quantity x exposure x toxicity x population) descending.)
(Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on health effects.)
ChemicalAir releases (lbs)Incineration transfers (lbs)Toxic Score
(quantity x exposure x toxicity x population) down arrow
Percent of total company scoreEJ: Poor ShareEJ: Minority Share
1,2-Dichloroethane235,586753,339524,57838.81%15.3%33.0%
Ethylene oxide1,3270464,84034.39%14.4%24.8%
Vinyl chloride262,397600179,84013.31%18.9%42.4%
Chloroform60,3043,12040,0222.96%14.9%41.0%
Formaldehyde27,084028,3602.10%17.1%51.9%
1,3-Butadiene21,637024,5191.81%15.2%18.9%
Benzene37,10977,08613,2420.98%16.0%17.3%
Chlorine84,9484,90212,2810.91%15.3%27.6%
Trichloroethylene24,0797,13411,4920.85%14.8%27.0%
Hexachlorobenzene6072,8157,7380.57%18.9%6.0%
1,1,2,2-Tetrachloroethane1,4047,9517,6810.57%15.0%32.4%
Epichlorohydrin7,3202305,8290.43%18.2%77.7%
Chloroprene16604,3230.32%15.0%25.9%
Carbon tetrachloride6,7141,2373,7010.27%15.0%30.1%
Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) 2302,4990.18%19.4%37.1%
Asbestos (friable)202,3760.18%18.7%53.0%
1,1,2-Trichloroethane16,285436,8042,3690.18%15.0%28.8%
Acetaldehyde9,62301,9210.14%17.6%53.0%
Pentachloroethane535110,0661,7940.13%14.9%28.3%
Ethylbenzene13,1752,9961,7410.13%15.3%54.6%
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)376,32201,3710.10%15.7%26.8%
Tetrachloroethylene49,52016,1311,1390.08%14.9%26.8%
Allyl alcohol5,91001,1310.08%19.4%4.5%
Maleic anhydride6,90409930.07%17.7%53.4%
Certain glycol ethers47,248869770.07%15.5%47.6%
Nickel compounds9306930.05%18.2%54.3%
Naphthalene7,8267,2045990.04%18.9%6.1%
1,1,1,2-Tetrachloroethane7,7451,8415490.04%14.9%26.5%
Hexachloroethane1,03144,7014710.03%16.1%51.8%
Diisocyanates2004380.03%15.7%41.8%
Dicyclopentadiene10,05803160.02%20.1%3.2%
Antimony compounds43102780.02%8.4%43.7%
Butyl acrylate2,57502500.02%18.1%57.0%
Ethylidene dichloride (1,1-Dichloroethane)12,3224,3272170.02%14.9%27.1%
Xylene (mixed isomers)22,7493,0021820.01%15.9%56.5%
Biphenyl3,85101060.01%14.8%26.3%
Polycyclic aromatic compounds482990.01%18.3%32.8%
Bis(2-chloroethyl) ether328,039960.01%14.8%22.8%
trans-1,4-Dichloro-2-butene110790.01%19.6%4.2%
Phenol29,128900720.01%18.3%78.1%
Vinyl acetate78,7850510.00%14.4%24.5%
1,4-Dichloro-2-butene121,394460.00%14.0%23.0%
Lead 210320.00%11.4%69.3%
Ethylene1,535,8950240.00%16.5%41.6%
Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.)03240.00%14.9%44.5%
Manganese80220.00%11.0%73.5%
Methyl acrylate4,2660220.00%18.1%56.5%
4,4'-Isopropylidenediphenol11,1427,500210.00%18.0%75.4%
1,2-Dichloroethylene5,2912,404200.00%14.9%27.1%
Hexachloro-1,3-butadiene (Hexachlorobutadiene)12111,017190.00%15.3%24.8%
n-Butyl alcohol (1-Butanol)7,228200180.00%18.0%53.8%
Dichloromethane (Methylene chloride)9,28842,789120.00%14.9%26.7%
Acetophenone142,5510100.00%16.5%11.5%
n-Hexane (Hexane)65,546090.00%17.1%48.0%
Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing)127,047090.00%15.6%26.0%
1,2,4-Trimethylbenzene550890.00%14.1%58.8%
Mercury compounds120080.00%14.8%7.1%
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.)520060.00%14.8%27.7%
Ethylene glycol11,859040.00%14.5%31.1%
1,2-Butylene oxide533140.00%14.8%26.7%
1,4-Dichlorobenzene (p-Dichlorobenzene)120030.00%18.7%6.2%
Methyl isobutyl ketone6,560030.00%14.1%59.0%
Propylene85,099168,38820.00%15.4%19.8%
Toluene19,21317,22720.00%16.5%53.6%
Vinylidene chloride (1,1-Dichloroethylene)3,2871,27020.00%14.8%28.9%
Dichlorodifluoromethane (CFC-12)11,070020.00%16.4%59.3%
Phthalic anhydride33212,54510.00%24.8%59.7%
Styrene19,0104,91610.00%15.6%19.3%
1,1,1-Trichloroethane33,92114,26010.00%14.9%26.7%
Mercury2010.00%14.7%25.4%
Di(2-ethylhexyl) phthalate11010.00%18.8%53.2%
Chloroethane31,13613000.00%14.9%28.3%
Lead compounds1000.00%16.2%54.5%
Cumene2,462000.00%17.9%10.4%
Dinitrobutyl phenol (Dinoseb)6000.00%15.7%24.7%
Zinc compounds543000.00%17.0%39.2%
Chlorobenzene2,937288,50000.00%14.7%46.2%
Copper20000.00%16.3%10.5%
Chlorodifluoromethane (HCFC-22)23,000000.00%15.6%42.4%
Polychlorinated biphenyls 010500.00%15.8%28.2%
Methanol14,4701,26300.00%16.8%42.4%
Methyl tert-butyl ether11000.00%15.7%24.8%
1,2,4-Trichlorobenzene82,00000.00%15.8%28.2%
tert-Butyl alcohol (tert-Butanol)562000.00%17.6%52.0%
Anthracene170000.00%19.5%4.2%
Dichlorobenzene (mixed isomers)131,60100.00%15.0%26.9%
Pentachlorobenzene176000.00%16.4%22.3%
Hexachlorocyclopentadiene0000.00%15.8%28.2%
Isoprene3,942000.00%0.0%0.0%
Tetrabromobisphenol A485000.00%0.0%0.0%
Phenanthrene2000.00%0.0%0.0%
Glycidol551000.00%0.0%0.0%
Nonylphenol5,0753,38600.00%0.0%0.0%

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

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