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