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 .
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(Click on column headers to re-sort table: current sort is by percent of total company score.)
(Links on chemical names lead to Scorecard chemical health effects.)
1,2-Dichloroethane
173,203
37,735
93,000
271,151
42.72%
15.6%
33.4%
28.1%
20.9%
3.7%
Chloroprene
6,042
0
1,100,000
132,273
20.84%
15.1%
29.7%
43.8%
34.1%
4.9%
Vinyl chloride
188,563
664
31,000
69,019
10.87%
16.3%
34.8%
23.5%
17.1%
3.2%
Chloroform
55,654
6,445
82,000
54,622
8.61%
15.6%
31.5%
38.8%
29.9%
4.5%
Formaldehyde
30,611
0
46,000
35,099
5.53%
20.8%
46.3%
51.0%
26.1%
22.0%
Trichloroethylene
24,618
9,729
15,000
11,072
1.74%
15.2%
35.6%
25.4%
18.3%
3.5%
Benzene
32,208
16,025
28,000
9,423
1.48%
16.3%
37.4%
14.0%
8.3%
3.4%
1,3-Butadiene
15,109
0
110,000
7,859
1.24%
16.5%
39.1%
14.7%
9.0%
3.7%
Chlorine
52,110
0
23,000
7,642
1.20%
16.6%
37.0%
28.2%
19.9%
4.4%
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%
Chromium compounds
22
0
43,000,000
6,382
1.01%
19.8%
41.7%
54.2%
47.0%
3.8%
Carbon tetrachloride
15,672
1,514
21,000
5,077
0.80%
15.5%
34.1%
19.2%
12.7%
3.3%
Hexachlorobenzene
559
4,014
1,600,000
3,843
0.61%
16.5%
36.3%
11.7%
6.5%
2.6%
Asbestos (friable)
3
0
170,000,000
3,102
0.49%
20.9%
38.5%
51.3%
42.9%
4.2%
1,1,2-Trichloroethane
11,028
73,976
5,700
1,872
0.29%
15.4%
35.4%
26.7%
19.6%
3.6%
Nickel compounds
156
0
930,000
1,445
0.23%
20.3%
40.5%
53.0%
45.4%
4.0%
Acetaldehyde
6,258
0
7,900
1,254
0.20%
21.4%
47.0%
52.9%
27.2%
22.7%
Tetrachloroethylene (Perchloroethylene)
66,042
36,190
930
1,177
0.19%
15.2%
35.8%
25.1%
18.0%
3.5%
Antimony compounds
1,060
0
18,000
926
0.15%
11.5%
22.5%
38.7%
33.5%
2.1%
Ethylene oxide
5
0
11,000,000
664
0.10%
16.7%
36.7%
29.6%
22.3%
3.7%
Maleic anhydride
4,203
0
5,000
620
0.10%
21.8%
47.3%
53.7%
27.7%
22.9%
Hydrochloric acid
158,373
0
180
483
0.08%
15.8%
35.7%
25.2%
18.2%
3.5%
Naphthalene
7,894
1,625
12,000
412
0.06%
16.1%
36.2%
10.5%
5.3%
2.8%
Bis(2-chloroethyl)ether
23
5,831
1,200,000
389
0.06%
14.3%
29.5%
36.2%
27.6%
4.5%
1,1,1,2-Tetrachloroethane
3,851
4,430
2,600
369
0.06%
15.2%
35.7%
25.0%
18.0%
3.5%
Dicyclopentadiene
8,343
0
18,000
317
0.05%
15.4%
35.0%
8.4%
3.5%
2.5%
1,4-Dichloro-2-butene
1
34
9,300,000
299
0.05%
15.5%
36.2%
22.9%
16.2%
3.4%
Hexachloroethane
326
3,600
14,000
162
0.03%
16.1%
37.0%
30.9%
23.8%
3.6%
Biphenyl
5,934
12,000
800
161
0.03%
15.1%
35.7%
24.7%
17.7%
3.5%
Butyl acrylate
1,424
0
3,500
146
0.02%
22.6%
48.2%
56.2%
29.3%
23.8%
Ethylbenzene
8,549
0
890
106
0.02%
17.5%
40.8%
26.9%
20.7%
3.9%
Ethylidene dichloride
6,281
14
570
101
0.02%
15.2%
35.5%
25.5%
18.4%
3.5%
Vinyl acetate
82,127
449,649
18
89
0.01%
9.8%
29.7%
14.7%
9.1%
3.5%
Hexachloro-1,3-butadiene
336
33,000
7,900
85
0.01%
15.2%
35.8%
25.0%
17.9%
3.5%
Polycyclic aromatic compounds
32
19
390,000
49
0.01%
19.3%
37.1%
41.8%
33.8%
4.0%
Ethylene
1,833,891
0
1
34
0.01%
14.8%
36.8%
28.8%
15.9%
10.4%
Copper compounds
1,110
0
1,500
30
0.00%
15.1%
35.6%
25.1%
18.1%
3.5%
Methyl acrylate
4,094
0
180
22
0.00%
22.4%
48.0%
55.6%
28.9%
23.6%
1,2-Dichloroethylene
5,864
6,070
110
18
0.00%
15.3%
35.7%
25.2%
18.2%
3.5%
Phthalic anhydride
3,352
2,120
180
13
0.00%
23.3%
53.7%
67.9%
61.0%
1.1%
Mercury compounds
128
0
12,000
10
0.00%
15.1%
35.9%
5.3%
2.8%
0.8%
Ammonia
65,618
1
7
7
0.00%
17.4%
38.1%
36.7%
24.2%
8.9%
Cumene
21,748
0
9
5
0.00%
19.5%
42.3%
53.0%
46.1%
3.7%
n-Hexane
26,069
0
5
4
0.00%
21.8%
47.4%
54.0%
27.9%
23.0%
1,2-Butylene oxide
435
1
180
3
0.00%
15.1%
35.7%
25.0%
17.9%
3.5%
CFC-12
14,760
0
5
2
0.00%
19.7%
42.2%
54.5%
47.5%
3.8%
Dioxin and dioxin-like compounds
0
1
1,400,000,000
2
0.00%
17.9%
35.7%
37.6%
29.7%
4.0%
Vinylidene chloride
3,483
360
18
2
0.00%
15.1%
35.0%
27.1%
19.8%
3.6%
Bromine
24
0
2,100
2
0.00%
15.2%
35.7%
25.0%
18.0%
3.5%
Xylene (mixed isomers)
8,049
0
35
2
0.00%
18.3%
36.6%
29.9%
23.0%
3.6%
Ethylene glycol
5,763
0
9
2
0.00%
22.3%
48.0%
55.5%
28.8%
23.6%
Styrene
31,338
314
4
1
0.00%
15.4%
36.7%
21.0%
13.6%
3.8%
Propylene (Propene)
91,826
0
1
1
0.00%
13.6%
34.8%
15.3%
9.6%
3.6%
1,1,1-Trichloroethane
35,416
29,600
1
1
0.00%
15.2%
35.8%
25.0%
18.0%
3.5%
Chloromethane
53
0
640
1
0.00%
19.7%
42.0%
54.4%
47.3%
3.8%
tert-Butyl alcohol
1,645
509
10
1
0.00%
12.8%
33.9%
23.8%
13.7%
7.6%
1,4-Dichlorobenzene
24
4
3,900
0
0.00%
16.4%
36.3%
10.0%
5.0%
2.5%
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%
Chloroethane (Ethyl chloride)
22,594
95
0
0
0.00%
15.5%
35.4%
27.9%
20.6%
3.7%
Methanol
26,743
0
0
0
0.00%
19.8%
42.7%
55.0%
48.1%
3.6%
Copper
21
0
1,500
0
0.00%
16.3%
36.2%
9.9%
4.9%
2.5%
Toluene
11,663
0
1
0
0.00%
16.9%
38.2%
18.5%
12.5%
3.6%
Zinc compounds
90
0
100
0
0.00%
21.1%
39.6%
51.7%
41.4%
6.4%
Chlorodifluoromethane (HCFC-22)
24,104
0
0
0
0.00%
19.7%
42.2%
54.5%
47.5%
3.8%
Methyl tert-butyl ether
141
0
93
0
0.00%
15.9%
37.0%
21.6%
14.0%
4.3%
Polychlorinated biphenyls (PCBs)
0
90
360,000
0
0.00%
15.7%
36.3%
26.3%
18.6%
3.7%
Phenol
160
0
18
0
0.00%
20.4%
41.9%
54.5%
47.2%
3.9%
Dinitrobutyl phenol (Dinoseb)
9
0
1,000
0
0.00%
15.9%
37.0%
21.6%
14.0%
4.3%
Acetophenone
45
0
10
0
0.00%
19.7%
42.4%
54.8%
47.8%
3.7%
Chlorobenzene
193
2,157
4
0
0.00%
15.6%
34.6%
18.1%
11.8%
3.2%
Dichloromethane
54
0
36
0
0.00%
18.6%
37.4%
30.3%
23.6%
3.4%
Dichlorobenzene (mixed isomers)
63
4,500
18
0
0.00%
15.5%
36.0%
25.7%
18.3%
3.6%
Anthracene
234
0
3
0
0.00%
15.7%
34.0%
7.7%
2.5%
2.7%
Sodium nitrite
10
0
10
0
0.00%
13.9%
27.5%
42.8%
33.3%
4.9%
1,2,4-Trimethylbenzene
2
0
58
0
0.00%
15.9%
36.9%
21.2%
13.7%
4.3%
1,2,4-Trichlorobenzene
7
5,600
18
0
0.00%
15.7%
36.3%
26.3%
18.6%
3.7%
Pentachloroethane
554
16,002
0
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
Isoprene
99
0
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%
trans-1,4-Dichloro-2-butene
4
0
0
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
Pentachlorobenzene
0
2,783
1,300
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
For explanations of most columns above, including the EJ Shares, see the technical notes .
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