Westlake Chemical Air releases 2017 (lbs): 3,209,537Incineration transfers 2017 (lbs): 777,365this company's penalties in Violation Tracker.this company's state, local, and Federal subsidies in Subsidy Tracker.rank 37 on the Toxic 100 Water list .information in PERI's Greenhouse database . display facilities ) ( display chemicals at facilities ) Basic data displayed ( display advanced data instead ) (Links on chemical names lead to Scorecard chemical health effects.)
1,2-Dichloroethane 173,203
37,735
271,151
42.72%
15.6%
28.1%
Chloroprene 6,042
0
132,273
20.84%
15.1%
43.8%
Vinyl chloride 188,563
664
69,019
10.87%
16.3%
23.5%
Chloroform 55,654
6,445
54,622
8.61%
15.6%
38.8%
Formaldehyde 30,611
0
35,099
5.53%
20.8%
51.0%
Trichloroethylene 24,618
9,729
11,072
1.74%
15.2%
25.4%
Benzene 32,208
16,025
9,423
1.48%
16.3%
14.0%
1,3-Butadiene 15,109
0
7,859
1.24%
16.5%
14.7%
Chlorine 52,110
0
7,642
1.20%
16.6%
28.2%
1,1,2,2-Tetrachloroethane 1,422
9,997
6,877
1.08%
15.6%
23.8%
Chromium compounds 22
0
6,382
1.01%
19.8%
54.2%
Carbon tetrachloride 15,672
1,514
5,077
0.80%
15.5%
19.2%
Hexachlorobenzene 559
4,014
3,843
0.61%
16.5%
11.7%
Asbestos (friable) 3
0
3,102
0.49%
20.9%
51.3%
1,1,2-Trichloroethane 11,028
73,976
1,872
0.29%
15.4%
26.7%
Nickel compounds 156
0
1,445
0.23%
20.3%
53.0%
Acetaldehyde 6,258
0
1,254
0.20%
21.4%
52.9%
Tetrachloroethylene (Perchloroethylene) 66,042
36,190
1,177
0.19%
15.2%
25.1%
Antimony compounds 1,060
0
926
0.15%
11.5%
38.7%
Ethylene oxide 5
0
664
0.10%
16.7%
29.6%
Maleic anhydride 4,203
0
620
0.10%
21.8%
53.7%
Hydrochloric acid 158,373
0
483
0.08%
15.8%
25.2%
Naphthalene 7,894
1,625
412
0.06%
16.1%
10.5%
Bis(2-chloroethyl)ether 23
5,831
389
0.06%
14.3%
36.2%
1,1,1,2-Tetrachloroethane 3,851
4,430
369
0.06%
15.2%
25.0%
Dicyclopentadiene 8,343
0
317
0.05%
15.4%
8.4%
1,4-Dichloro-2-butene 1
34
299
0.05%
15.5%
22.9%
Hexachloroethane 326
3,600
162
0.03%
16.1%
30.9%
Biphenyl 5,934
12,000
161
0.03%
15.1%
24.7%
Butyl acrylate 1,424
0
146
0.02%
22.6%
56.2%
Ethylbenzene 8,549
0
106
0.02%
17.5%
26.9%
Ethylidene dichloride 6,281
14
101
0.02%
15.2%
25.5%
Vinyl acetate 82,127
449,649
89
0.01%
9.8%
14.7%
Hexachloro-1,3-butadiene 336
33,000
85
0.01%
15.2%
25.0%
Polycyclic aromatic compounds 32
19
49
0.01%
19.3%
41.8%
Ethylene 1,833,891
0
34
0.01%
14.8%
28.8%
Copper compounds 1,110
0
30
0.00%
15.1%
25.1%
Methyl acrylate 4,094
0
22
0.00%
22.4%
55.6%
1,2-Dichloroethylene 5,864
6,070
18
0.00%
15.3%
25.2%
Phthalic anhydride 3,352
2,120
13
0.00%
23.3%
67.9%
Mercury compounds 128
0
10
0.00%
15.1%
5.3%
Ammonia 65,618
1
7
0.00%
17.4%
36.7%
Cumene 21,748
0
5
0.00%
19.5%
53.0%
n-Hexane 26,069
0
4
0.00%
21.8%
54.0%
1,2-Butylene oxide 435
1
3
0.00%
15.1%
25.0%
CFC-12 14,760
0
2
0.00%
19.7%
54.5%
Dioxin and dioxin-like compounds 0
1
2
0.00%
17.9%
37.6%
Vinylidene chloride 3,483
360
2
0.00%
15.1%
27.1%
Bromine 24
0
2
0.00%
15.2%
25.0%
Xylene (mixed isomers) 8,049
0
2
0.00%
18.3%
29.9%
Ethylene glycol 5,763
0
2
0.00%
22.3%
55.5%
Styrene 31,338
314
1
0.00%
15.4%
21.0%
Propylene (Propene) 91,826
0
1
0.00%
13.6%
15.3%
1,1,1-Trichloroethane 35,416
29,600
1
0.00%
15.2%
25.0%
Chloromethane 53
0
1
0.00%
19.7%
54.4%
tert-Butyl alcohol 1,645
509
1
0.00%
12.8%
23.8%
1,4-Dichlorobenzene 24
4
0
0.00%
16.4%
10.0%
Lead 11
0
0
0.00%
15.7%
26.3%
Lead compounds 2
0
0
0.00%
20.9%
51.3%
Chloroethane (Ethyl chloride) 22,594
95
0
0.00%
15.5%
27.9%
Methanol 26,743
0
0
0.00%
19.8%
55.0%
Copper 21
0
0
0.00%
16.3%
9.9%
Toluene 11,663
0
0
0.00%
16.9%
18.5%
Zinc compounds 90
0
0
0.00%
21.1%
51.7%
Chlorodifluoromethane (HCFC-22) 24,104
0
0
0.00%
19.7%
54.5%
Methyl tert-butyl ether 141
0
0
0.00%
15.9%
21.6%
Polychlorinated biphenyls (PCBs) 0
90
0
0.00%
15.7%
26.3%
Phenol 160
0
0
0.00%
20.4%
54.5%
Dinitrobutyl phenol (Dinoseb) 9
0
0
0.00%
15.9%
21.6%
Acetophenone 45
0
0
0.00%
19.7%
54.8%
Chlorobenzene 193
2,157
0
0.00%
15.6%
18.1%
Dichloromethane 54
0
0
0.00%
18.6%
30.3%
Dichlorobenzene (mixed isomers) 63
4,500
0
0.00%
15.5%
25.7%
Anthracene 234
0
0
0.00%
15.7%
7.7%
Sodium nitrite 10
0
0
0.00%
13.9%
42.8%
1,2,4-Trimethylbenzene 2
0
0
0.00%
15.9%
21.2%
1,2,4-Trichlorobenzene 7
5,600
0
0.00%
15.7%
26.3%
Pentachloroethane 554
16,002
0
0.00%
0.0%
0.0%
Isoprene 99
0
0
0.00%
0.0%
0.0%
Phenanthrene 2
667
0
0.00%
0.0%
0.0%
trans-1,4-Dichloro-2-butene 4
0
0
0.00%
0.0%
0.0%
Pentachlorobenzene 0
2,783
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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