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