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: ( display facilities ) ( display chemicals at facilities )
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(Click on column headers to re-sort table: current sort is by chemical name.)
(Links on chemical names lead to Scorecard chemical health effects.)
1,1,1,2-Tetrachloroethane
3,851
4,430
2,600
369
0.06%
15.2%
35.7%
25.0%
18.0%
3.5%
1,1,1-Trichloroethane
35,416
29,600
1
1
0.00%
15.2%
35.8%
25.0%
18.0%
3.5%
1,1,2,2-Tetrachloroethane
1,422
9,997
210,000
6,877
1.08%
15.6%
35.7%
23.8%
17.1%
3.4%
1,1,2-Trichloroethane
11,028
73,976
5,700
1,872
0.29%
15.4%
35.4%
26.7%
19.6%
3.6%
1,2,4-Trichlorobenzene
7
5,600
18
0
0.00%
15.7%
36.3%
26.3%
18.6%
3.7%
1,2,4-Trimethylbenzene
2
0
58
0
0.00%
15.9%
36.9%
21.2%
13.7%
4.3%
1,2-Butylene oxide
435
1
180
3
0.00%
15.1%
35.7%
25.0%
17.9%
3.5%
1,2-Dichloroethane
173,203
37,735
93,000
271,151
42.72%
15.6%
33.4%
28.1%
20.9%
3.7%
1,2-Dichloroethylene
5,864
6,070
110
18
0.00%
15.3%
35.7%
25.2%
18.2%
3.5%
1,3-Butadiene
15,109
0
110,000
7,859
1.24%
16.5%
39.1%
14.7%
9.0%
3.7%
1,4-Dichloro-2-butene
1
34
9,300,000
299
0.05%
15.5%
36.2%
22.9%
16.2%
3.4%
1,4-Dichlorobenzene
24
4
3,900
0
0.00%
16.4%
36.3%
10.0%
5.0%
2.5%
Acetaldehyde
6,258
0
7,900
1,254
0.20%
21.4%
47.0%
52.9%
27.2%
22.7%
Acetophenone
45
0
10
0
0.00%
19.7%
42.4%
54.8%
47.8%
3.7%
Ammonia
65,618
1
7
7
0.00%
17.4%
38.1%
36.7%
24.2%
8.9%
Anthracene
234
0
3
0
0.00%
15.7%
34.0%
7.7%
2.5%
2.7%
Antimony compounds
1,060
0
18,000
926
0.15%
11.5%
22.5%
38.7%
33.5%
2.1%
Asbestos (friable)
3
0
170,000,000
3,102
0.49%
20.9%
38.5%
51.3%
42.9%
4.2%
Benzene
32,208
16,025
28,000
9,423
1.48%
16.3%
37.4%
14.0%
8.3%
3.4%
Biphenyl
5,934
12,000
800
161
0.03%
15.1%
35.7%
24.7%
17.7%
3.5%
Bis(2-chloroethyl)ether
23
5,831
1,200,000
389
0.06%
14.3%
29.5%
36.2%
27.6%
4.5%
Bromine
24
0
2,100
2
0.00%
15.2%
35.7%
25.0%
18.0%
3.5%
Butyl acrylate
1,424
0
3,500
146
0.02%
22.6%
48.2%
56.2%
29.3%
23.8%
Carbon tetrachloride
15,672
1,514
21,000
5,077
0.80%
15.5%
34.1%
19.2%
12.7%
3.3%
CFC-12
14,760
0
5
2
0.00%
19.7%
42.2%
54.5%
47.5%
3.8%
Chlorine
52,110
0
23,000
7,642
1.20%
16.6%
37.0%
28.2%
19.9%
4.4%
Chlorobenzene
193
2,157
4
0
0.00%
15.6%
34.6%
18.1%
11.8%
3.2%
Chlorodifluoromethane (HCFC-22)
24,104
0
0
0
0.00%
19.7%
42.2%
54.5%
47.5%
3.8%
Chloroethane (Ethyl chloride)
22,594
95
0
0
0.00%
15.5%
35.4%
27.9%
20.6%
3.7%
Chloroform
55,654
6,445
82,000
54,622
8.61%
15.6%
31.5%
38.8%
29.9%
4.5%
Chloromethane
53
0
640
1
0.00%
19.7%
42.0%
54.4%
47.3%
3.8%
Chloroprene
6,042
0
1,100,000
132,273
20.84%
15.1%
29.7%
43.8%
34.1%
4.9%
Chromium compounds
22
0
43,000,000
6,382
1.01%
19.8%
41.7%
54.2%
47.0%
3.8%
Copper
21
0
1,500
0
0.00%
16.3%
36.2%
9.9%
4.9%
2.5%
Copper compounds
1,110
0
1,500
30
0.00%
15.1%
35.6%
25.1%
18.1%
3.5%
Cumene
21,748
0
9
5
0.00%
19.5%
42.3%
53.0%
46.1%
3.7%
Dichlorobenzene (mixed isomers)
63
4,500
18
0
0.00%
15.5%
36.0%
25.7%
18.3%
3.6%
Dichloromethane
54
0
36
0
0.00%
18.6%
37.4%
30.3%
23.6%
3.4%
Dicyclopentadiene
8,343
0
18,000
317
0.05%
15.4%
35.0%
8.4%
3.5%
2.5%
Dinitrobutyl phenol (Dinoseb)
9
0
1,000
0
0.00%
15.9%
37.0%
21.6%
14.0%
4.3%
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%
Ethylene
1,833,891
0
1
34
0.01%
14.8%
36.8%
28.8%
15.9%
10.4%
Ethylene glycol
5,763
0
9
2
0.00%
22.3%
48.0%
55.5%
28.8%
23.6%
Ethylene oxide
5
0
11,000,000
664
0.10%
16.7%
36.7%
29.6%
22.3%
3.7%
Ethylidene dichloride
6,281
14
570
101
0.02%
15.2%
35.5%
25.5%
18.4%
3.5%
Formaldehyde
30,611
0
46,000
35,099
5.53%
20.8%
46.3%
51.0%
26.1%
22.0%
Hexachloro-1,3-butadiene
336
33,000
7,900
85
0.01%
15.2%
35.8%
25.0%
17.9%
3.5%
Hexachlorobenzene
559
4,014
1,600,000
3,843
0.61%
16.5%
36.3%
11.7%
6.5%
2.6%
Hexachloroethane
326
3,600
14,000
162
0.03%
16.1%
37.0%
30.9%
23.8%
3.6%
Hydrochloric acid
158,373
0
180
483
0.08%
15.8%
35.7%
25.2%
18.2%
3.5%
Isoprene
99
0
0
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
Lead
11
0
23,000
0
0.00%
15.7%
36.3%
26.3%
18.6%
3.7%
Lead compounds
2
0
23,000
0
0.00%
20.9%
38.5%
51.3%
42.9%
4.2%
Maleic anhydride
4,203
0
5,000
620
0.10%
21.8%
47.3%
53.7%
27.7%
22.9%
Mercury compounds
128
0
12,000
10
0.00%
15.1%
35.9%
5.3%
2.8%
0.8%
Methanol
26,743
0
0
0
0.00%
19.8%
42.7%
55.0%
48.1%
3.6%
Methyl acrylate
4,094
0
180
22
0.00%
22.4%
48.0%
55.6%
28.9%
23.6%
Methyl tert-butyl ether
141
0
93
0
0.00%
15.9%
37.0%
21.6%
14.0%
4.3%
n-Hexane
26,069
0
5
4
0.00%
21.8%
47.4%
54.0%
27.9%
23.0%
Naphthalene
7,894
1,625
12,000
412
0.06%
16.1%
36.2%
10.5%
5.3%
2.8%
Nickel compounds
156
0
930,000
1,445
0.23%
20.3%
40.5%
53.0%
45.4%
4.0%
Pentachlorobenzene
0
2,783
1,300
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
Pentachloroethane
554
16,002
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%
Phenol
160
0
18
0
0.00%
20.4%
41.9%
54.5%
47.2%
3.9%
Phthalic anhydride
3,352
2,120
180
13
0.00%
23.3%
53.7%
67.9%
61.0%
1.1%
Polychlorinated biphenyls (PCBs)
0
90
360,000
0
0.00%
15.7%
36.3%
26.3%
18.6%
3.7%
Polycyclic aromatic compounds
32
19
390,000
49
0.01%
19.3%
37.1%
41.8%
33.8%
4.0%
Propylene (Propene)
91,826
0
1
1
0.00%
13.6%
34.8%
15.3%
9.6%
3.6%
Sodium nitrite
10
0
10
0
0.00%
13.9%
27.5%
42.8%
33.3%
4.9%
Styrene
31,338
314
4
1
0.00%
15.4%
36.7%
21.0%
13.6%
3.8%
tert-Butyl alcohol
1,645
509
10
1
0.00%
12.8%
33.9%
23.8%
13.7%
7.6%
Tetrachloroethylene (Perchloroethylene)
66,042
36,190
930
1,177
0.19%
15.2%
35.8%
25.1%
18.0%
3.5%
Toluene
11,663
0
1
0
0.00%
16.9%
38.2%
18.5%
12.5%
3.6%
trans-1,4-Dichloro-2-butene
4
0
0
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
Trichloroethylene
24,618
9,729
15,000
11,072
1.74%
15.2%
35.6%
25.4%
18.3%
3.5%
Vinyl acetate
82,127
449,649
18
89
0.01%
9.8%
29.7%
14.7%
9.1%
3.5%
Vinyl chloride
188,563
664
31,000
69,019
10.87%
16.3%
34.8%
23.5%
17.1%
3.2%
Vinylidene chloride
3,483
360
18
2
0.00%
15.1%
35.0%
27.1%
19.8%
3.6%
Xylene (mixed isomers)
8,049
0
35
2
0.00%
18.3%
36.6%
29.9%
23.0%
3.6%
Zinc compounds
90
0
100
0
0.00%
21.1%
39.6%
51.7%
41.4%
6.4%
For explanations of most columns above, including the EJ Shares, see the technical notes .
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