Westlake Chemical Air releases 2019 (lbs): 3,120,644Incineration transfers 2019 (lbs): 1,162,383this company's penalties in Violation Tracker.this company's state, local, and Federal subsidies in Subsidy Tracker.rank 66 on the Toxic 100 Water list .rank 95 on the Greenhouse 100 list . display facilities ) ( display chemicals at facilities ) Basic data displayed ( display advanced data instead ) (Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on health effects.)
1,2-Dichloroethane 126,505
205,893
210,203
43.16%
15.6%
31.7%
Vinyl chloride 145,558
37,402
51,338
10.54%
16.0%
27.8%
Ethylene oxide 83
0
41,357
8.49%
13.3%
21.1%
Chloroform 61,394
9,269
39,722
8.16%
15.4%
39.5%
Formaldehyde 30,401
0
38,386
7.88%
19.9%
51.6%
1,3-Butadiene 23,172
0
25,689
5.27%
14.6%
18.3%
Chromium 123
0
15,115
3.10%
15.7%
26.7%
Benzene 34,019
276,884
12,425
2.55%
15.2%
15.7%
Trichloroethylene 21,324
5,280
10,177
2.09%
15.6%
26.9%
Chlorine 56,707
0
7,371
1.51%
16.2%
28.8%
1,1,2,2-Tetrachloroethane 1,292
3,648
6,115
1.26%
15.6%
28.7%
Chromium compounds 16
0
5,096
1.05%
19.4%
53.1%
Nickel 402
0
4,525
0.93%
15.7%
26.6%
Carbon tetrachloride 13,683
890
4,312
0.89%
15.7%
19.3%
Asbestos (friable) 4
0
3,733
0.77%
19.6%
51.8%
Hexachlorobenzene 459
1,941
2,420
0.50%
15.6%
11.5%
1,1,2-Trichloroethane 12,287
122,528
2,191
0.45%
15.7%
27.6%
Acetaldehyde 6,424
0
1,386
0.28%
20.0%
51.9%
Nickel compounds 139
0
1,005
0.21%
18.6%
52.9%
Tetrachloroethylene (Perchloroethylene) 42,463
14,677
999
0.21%
15.7%
26.7%
Maleic anhydride 4,122
0
610
0.13%
20.1%
51.7%
1,1,1,2-Tetrachloroethane 5,290
1,278
499
0.10%
15.7%
26.6%
Naphthalene 9,122
44
388
0.08%
15.3%
10.8%
Chloroprene 30
0
329
0.07%
13.9%
32.8%
1,4-Dichloro-2-butene
1
88
301
0.06%
16.7%
23.3%
Dicyclopentadiene 8,441
0
258
0.05%
14.8%
8.3%
Ethylbenzene 8,758
93,219
193
0.04%
14.9%
21.4%
Hydrochloric acid 145,346
0
191
0.04%
16.5%
20.5%
Butyl acrylate 1,350
0
141
0.03%
21.0%
55.9%
Hexachloroethane 264
1,193
131
0.03%
15.8%
29.2%
Ethylidene dichloride 5,214
210
81
0.02%
15.7%
26.8%
Bis(2-chloroethyl)ether 10
209
80
0.02%
16.3%
18.7%
Vinyl acetate 78,526
0
78
0.02%
11.1%
20.2%
Polycyclic aromatic compounds
40
5
59
0.01%
18.0%
41.3%
Ethylene 1,618,938
0
31
0.01%
16.0%
36.2%
Phthalic anhydride 3,352
3,218
27
0.01%
20.6%
69.9%
Methyl acrylate 3,803
0
21
0.00%
20.9%
55.3%
Hexachloro-1,3-butadiene 163
17,920
16
0.00%
15.7%
26.7%
Mercury compounds 126
0
10
0.00%
15.4%
5.8%
n-Hexane 56,127
1
8
0.00%
19.5%
48.6%
Copper compounds 460
0
8
0.00%
15.5%
27.3%
Ammonia 76,113
1,339
7
0.00%
17.0%
34.8%
Ethylene glycol 10,993
0
4
0.00%
15.4%
30.8%
Acetophenone 108,880
0
4
0.00%
15.7%
10.4%
Xylene (mixed isomers) 9,718
103,990
4
0.00%
16.3%
25.2%
1,2-Dichloroethylene 1,301
2,605
4
0.00%
15.9%
28.9%
1,2-Butylene oxide 537
490
3
0.00%
15.6%
26.6%
Propylene (Propene) 162,498
144,982
3
0.00%
14.5%
17.6%
Antimony compounds 5
0
3
0.00%
10.0%
41.1%
Lead 16
0
3
0.00%
15.3%
25.3%
Dioxin and dioxin-like compounds
0
1
2
0.00%
17.0%
35.8%
Bromine 23
0
2
0.00%
15.7%
26.7%
Vinylidene chloride 3,179
170
2
0.00%
15.5%
27.7%
Styrene 29,202
618
2
0.00%
14.6%
22.8%
CFC-12 8,856
0
1
0.00%
17.2%
54.6%
Biphenyl 202
0
1
0.00%
15.4%
10.2%
1,1,1-Trichloroethane 31,300
7,393
1
0.00%
15.7%
26.7%
Cumene 4,004
0
1
0.00%
16.7%
38.5%
Mercury 2
0
0
0.00%
15.0%
24.2%
1,4-Dichlorobenzene 40
0
0
0.00%
15.6%
10.1%
Dinitrobutyl phenol (Dinoseb)
26
0
0
0.00%
15.8%
24.4%
Methyl tert-butyl ether 234
0
0
0.00%
15.8%
24.4%
Copper 44
0
0
0.00%
15.2%
17.4%
Lead compounds 2
0
0
0.00%
19.6%
51.8%
Toluene 17,047
96,984
0
0.00%
15.6%
22.6%
tert-Butyl alcohol 562
0
0
0.00%
19.3%
49.2%
Chlorodifluoromethane (HCFC-22) 82,610
0
0
0.00%
17.2%
54.5%
Chlorobenzene 3,141
2,182
0
0.00%
15.1%
43.8%
Methanol 30,808
13
0
0.00%
17.2%
53.0%
Chloroethane (Ethyl chloride) 12,074
150
0
0.00%
15.5%
28.4%
Zinc compounds 75
0
0
0.00%
19.7%
52.2%
1,2,4-Trimethylbenzene 47
0
0
0.00%
15.5%
23.8%
Phenol 292
0
0
0.00%
18.7%
53.8%
Polychlorinated biphenyls (PCBs) 0
12
0
0.00%
16.3%
27.6%
Hexachlorocyclopentadiene 0
0
0
0.00%
16.3%
27.6%
Dichloromethane 49
9
0
0.00%
16.9%
24.6%
Dichlorobenzene (mixed isomers)
77
717
0
0.00%
16.0%
27.2%
Anthracene 259
0
0
0.00%
15.5%
7.0%
Pentachlorobenzene
0
160
0
0.00%
16.3%
27.6%
1,2,4-Trichlorobenzene 22
1,992
0
0.00%
16.3%
27.6%
Pentachloroethane 451
2,762
0
0.00%
0.0%
0.0%
Isoprene 16
0
0
0.00%
0.0%
0.0%
Phenanthrene 2
0
0
0.00%
0.0%
0.0%
trans-1,4-Dichloro-2-butene 3
0
0
0.00%
0.0%
0.0%
1,3-Dichloropropylene 0
2
0
0.00%
0.0%
0.0%
Nitrate compounds (water dissociable)
0
15
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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