PERI: Toxic 100 Air Polluters Index

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 state, local, and Federal 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)
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(Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on health effects.)

Chemical	Air releases (lbs)	Incineration transfers (lbs)	Toxic Score (quantity x exposure x toxicity x population)	Percent of total company score	EJ: Poor Share	EJ: Minority Share
1,2-Dichloroethane	235,586	753,339	524,578	38.81%	15.3%	33.0%
Ethylene oxide	1,327	0	464,840	34.39%	14.4%	24.8%
Vinyl chloride	262,397	600	179,840	13.31%	18.9%	42.4%
Chloroform	60,304	3,120	40,022	2.96%	14.9%	41.0%
Formaldehyde	27,084	0	28,360	2.10%	17.1%	51.9%
1,3-Butadiene	21,637	0	24,519	1.81%	15.2%	18.9%
Benzene	37,109	77,086	13,242	0.98%	16.0%	17.3%
Chlorine	84,948	4,902	12,281	0.91%	15.3%	27.6%
Trichloroethylene	24,079	7,134	11,492	0.85%	14.8%	27.0%
Hexachlorobenzene	607	2,815	7,738	0.57%	18.9%	6.0%
1,1,2,2-Tetrachloroethane	1,404	7,951	7,681	0.57%	15.0%	32.4%
Epichlorohydrin	7,320	230	5,829	0.43%	18.2%	77.7%
Chloroprene	166	0	4,323	0.32%	15.0%	25.9%
Carbon tetrachloride	6,714	1,237	3,701	0.27%	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.)	23	0	2,499	0.18%	19.4%	37.1%
Asbestos (friable)	2	0	2,376	0.18%	18.7%	53.0%
1,1,2-Trichloroethane	16,285	436,804	2,369	0.18%	15.0%	28.8%
Acetaldehyde	9,623	0	1,921	0.14%	17.6%	53.0%
Pentachloroethane	535	110,066	1,794	0.13%	14.9%	28.3%
Ethylbenzene	13,175	2,996	1,741	0.13%	15.3%	54.6%
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	376,322	0	1,371	0.10%	15.7%	26.8%
Tetrachloroethylene	49,520	16,131	1,139	0.08%	14.9%	26.8%
Allyl alcohol	5,910	0	1,131	0.08%	19.4%	4.5%
Maleic anhydride	6,904	0	993	0.07%	17.7%	53.4%
Certain glycol ethers	47,248	86	977	0.07%	15.5%	47.6%
Nickel compounds	93	0	693	0.05%	18.2%	54.3%
Naphthalene	7,826	7,204	599	0.04%	18.9%	6.1%
1,1,1,2-Tetrachloroethane	7,745	1,841	549	0.04%	14.9%	26.5%
Hexachloroethane	1,031	44,701	471	0.03%	16.1%	51.8%
Diisocyanates	20	0	438	0.03%	15.7%	41.8%
Dicyclopentadiene	10,058	0	316	0.02%	20.1%	3.2%
Antimony compounds	431	0	278	0.02%	8.4%	43.7%
Butyl acrylate	2,575	0	250	0.02%	18.1%	57.0%
Ethylidene dichloride (1,1-Dichloroethane)	12,322	4,327	217	0.02%	14.9%	27.1%
Xylene (mixed isomers)	22,749	3,002	182	0.01%	15.9%	56.5%
Biphenyl	3,851	0	106	0.01%	14.8%	26.3%
Polycyclic aromatic compounds	48	2	99	0.01%	18.3%	32.8%
Bis(2-chloroethyl) ether	3	28,039	96	0.01%	14.8%	22.8%
trans-1,4-Dichloro-2-butene	11	0	79	0.01%	19.6%	4.2%
Phenol	29,128	900	72	0.01%	18.3%	78.1%
Vinyl acetate	78,785	0	51	0.00%	14.4%	24.5%
1,4-Dichloro-2-butene	1	21,394	46	0.00%	14.0%	23.0%
Lead	21	0	32	0.00%	11.4%	69.3%
Ethylene	1,535,895	0	24	0.00%	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.)	0	3	24	0.00%	14.9%	44.5%
Manganese	8	0	22	0.00%	11.0%	73.5%
Methyl acrylate	4,266	0	22	0.00%	18.1%	56.5%
4,4'-Isopropylidenediphenol	11,142	7,500	21	0.00%	18.0%	75.4%
1,2-Dichloroethylene	5,291	2,404	20	0.00%	14.9%	27.1%
Hexachloro-1,3-butadiene (Hexachlorobutadiene)	121	11,017	19	0.00%	15.3%	24.8%
n-Butyl alcohol (1-Butanol)	7,228	200	18	0.00%	18.0%	53.8%
Dichloromethane (Methylene chloride)	9,288	42,789	12	0.00%	14.9%	26.7%
Acetophenone	142,551	0	10	0.00%	16.5%	11.5%
n-Hexane (Hexane)	65,546	0	9	0.00%	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)	127,047	0	9	0.00%	15.6%	26.0%
1,2,4-Trimethylbenzene	550	8	9	0.00%	14.1%	58.8%
Mercury compounds	120	0	8	0.00%	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.)	520	0	6	0.00%	14.8%	27.7%
Ethylene glycol	11,859	0	4	0.00%	14.5%	31.1%
1,2-Butylene oxide	533	1	4	0.00%	14.8%	26.7%
1,4-Dichlorobenzene (p-Dichlorobenzene)	120	0	3	0.00%	18.7%	6.2%
Methyl isobutyl ketone	6,560	0	3	0.00%	14.1%	59.0%
Propylene	85,099	168,388	2	0.00%	15.4%	19.8%
Toluene	19,213	17,227	2	0.00%	16.5%	53.6%
Vinylidene chloride (1,1-Dichloroethylene)	3,287	1,270	2	0.00%	14.8%	28.9%
Dichlorodifluoromethane (CFC-12)	11,070	0	2	0.00%	16.4%	59.3%
Phthalic anhydride	332	12,545	1	0.00%	24.8%	59.7%
Styrene	19,010	4,916	1	0.00%	15.6%	19.3%
1,1,1-Trichloroethane	33,921	14,260	1	0.00%	14.9%	26.7%
Mercury	2	0	1	0.00%	14.7%	25.4%
Di(2-ethylhexyl) phthalate	11	0	1	0.00%	18.8%	53.2%
Chloroethane	31,136	130	0	0.00%	14.9%	28.3%
Lead compounds	1	0	0	0.00%	16.2%	54.5%
Cumene	2,462	0	0	0.00%	17.9%	10.4%
Dinitrobutyl phenol (Dinoseb)	6	0	0	0.00%	15.7%	24.7%
Zinc compounds	543	0	0	0.00%	17.0%	39.2%
Chlorobenzene	2,937	288,500	0	0.00%	14.7%	46.2%
Copper	20	0	0	0.00%	16.3%	10.5%
Chlorodifluoromethane (HCFC-22)	23,000	0	0	0.00%	15.6%	42.4%
Polychlorinated biphenyls	0	105	0	0.00%	15.8%	28.2%
Methanol	14,470	1,263	0	0.00%	16.8%	42.4%
Methyl tert-butyl ether	11	0	0	0.00%	15.7%	24.8%
1,2,4-Trichlorobenzene	8	2,000	0	0.00%	15.8%	28.2%
tert-Butyl alcohol (tert-Butanol)	562	0	0	0.00%	17.6%	52.0%
Anthracene	170	0	0	0.00%	19.5%	4.2%
Dichlorobenzene (mixed isomers)	13	1,601	0	0.00%	15.0%	26.9%
Pentachlorobenzene	1	760	0	0.00%	16.4%	22.3%
Hexachlorocyclopentadiene	0	0	0	0.00%	15.8%	28.2%
Isoprene	3,942	0	0	0.00%	0.0%	0.0%
Tetrabromobisphenol A	485	0	0	0.00%	0.0%	0.0%
Phenanthrene	2	0	0	0.00%	0.0%	0.0%
Glycidol	55	10	0	0.00%	0.0%	0.0%
Nonylphenol	5,075	3,386	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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