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