Stepan
Rank in Toxic 100: 99
Rank among all TRI companies: 197
Air releases 2020 (lbs): 409,776
Incineration transfers 2020 (lbs): 1,394,342
Total Air and Incineration Toxic Score 2020: 192,438
EJ: Poor Share: 9%
EJ: Minority Share: 39%
You can also view this company's penalties in Violation Tracker.
This company has information in PERI's Toxic Water database .
This company has information in PERI's Greenhouse database .
Chemicals at facilities displayed below: ( display facilities ) ( display chemicals )
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Split *
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Ethylene oxide
221
221
0
0
11,000,000
2,431,000,000
130,830
67.99%
8.6%
21.0%
38.0%
12.0%
19.6%
STEPAN CO
WINDER
GA
Ethylene oxide
17
17
0
0
11,000,000
188,210,000
18,943
9.84%
11.9%
32.0%
47.1%
21.8%
15.5%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
1,4-Dioxane
18,351
18,351
1,097,307
1,097,307
18,000
330,318,000
16,505
8.58%
8.6%
21.1%
38.3%
12.1%
19.7%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Benzyl chloride
1,211
1,211
86
86
180,000
217,980,000
11,160
5.80%
8.4%
20.5%
36.8%
11.5%
19.3%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Maleic anhydride
29,400
29,400
296
296
5,000
147,000,000
7,900
4.11%
8.6%
21.2%
38.5%
12.2%
19.7%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Acetaldehyde
10,954
10,954
0
0
7,900
86,536,600
4,232
2.20%
8.6%
21.3%
38.6%
12.2%
19.8%
INV PERFORMANCE SURFACES LLC
WILMINGTON
NC
1,4-Dioxane
2,120
2,120
0
0
18,000
38,160,000
946
0.49%
16.9%
40.0%
30.9%
19.1%
7.8%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Phthalic anhydride
85,812
85,812
143,333
143,333
180
15,446,160
824
0.43%
8.5%
20.9%
37.8%
11.9%
19.5%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
2,010
2,010
0
0
3,500
7,035,000
383
0.20%
8.7%
21.3%
38.7%
12.3%
19.8%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Naphthalene
574
574
166
166
12,000
6,888,000
291
0.15%
8.3%
20.3%
36.2%
11.1%
19.3%
STEPAN CO
WINDER
GA
Formaldehyde
35
35
0
0
46,000
1,600,432
149
0.08%
12.3%
31.4%
49.3%
24.0%
15.3%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Chloroacetic acid
2,468
2,468
0
0
500
1,234,000
65
0.03%
8.4%
20.6%
36.9%
11.5%
19.3%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Propylene oxide
91
91
0
0
13,000
1,183,000
63
0.03%
8.5%
20.8%
37.4%
11.7%
19.4%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Ethylbenzene
942
942
19
19
890
838,380
41
0.02%
8.4%
20.5%
36.7%
11.4%
19.3%
STEPAN CO
WINDER
GA
Propylene oxide
16
16
0
0
13,000
209,300
21
0.01%
11.7%
32.2%
45.6%
20.2%
15.6%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Xylene (mixed isomers)
12,254
12,254
1,398
1,398
35
428,890
21
0.01%
8.5%
20.9%
37.7%
11.8%
19.6%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Certain glycol ethers
1,454
1,454
0
0
180
261,720
12
0.01%
8.5%
20.7%
37.3%
11.6%
19.5%
STEPAN CO
WINDER
GA
Naphthalene
12
12
0
0
12,000
146,669
12
0.01%
12.2%
31.4%
48.5%
23.3%
15.3%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Biphenyl
254
254
0
0
800
203,200
10
0.01%
8.4%
20.5%
36.7%
11.4%
19.3%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
n-Butyl alcohol (1-Butanol)
16,892
16,892
117,582
117,582
10
168,920
9
0.00%
8.6%
21.2%
38.5%
12.2%
19.8%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Diethanolamine
295
295
4,103
4,103
1,200
354,000
9
0.00%
8.2%
19.5%
34.2%
10.2%
19.1%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
o-Xylene
2,493
2,493
0
0
35
87,255
4
0.00%
8.6%
21.0%
38.0%
11.9%
19.7%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Methanol
207,898
207,898
18,739
18,739
0
37,422
2
0.00%
8.4%
20.6%
36.9%
11.5%
19.3%
INV PERFORMANCE SURFACES LLC
WILMINGTON
NC
Phthalic anhydride
382
382
360
360
180
68,742
2
0.00%
16.9%
39.5%
30.7%
18.8%
7.8%
STEPAN CO MAYWOOD
MAYWOOD
NJ
n-Butyl alcohol (1-Butanol)
280
280
0
0
10
2,797
2
0.00%
13.5%
28.9%
60.5%
16.0%
30.1%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Ethylene glycol
2,520
2,520
31
31
9
22,176
1
0.00%
8.4%
20.4%
36.7%
11.4%
19.3%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia i
2,172
2,172
47
47
7
15,204
1
0.00%
8.7%
21.3%
38.7%
12.3%
19.8%
STEPAN CO MAYWOOD
MAYWOOD
NJ
Methanol
231
231
0
0
0
42
0
0.00%
12.8%
28.2%
59.8%
15.4%
29.3%
STEPAN CO
WINDER
GA
Ethylene glycol
21
21
0
0
9
186
0
0.00%
12.3%
31.4%
49.4%
24.1%
15.3%
STEPAN CO
WINDER
GA
Methanol
585
585
0
0
0
105
0
0.00%
12.3%
31.5%
49.9%
24.5%
15.3%
STEPAN CO
WINDER
GA
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
0
0
255
255
3,500
70
0
0.00%
12.4%
31.5%
50.0%
24.6%
15.3%
STEPAN CO
WINDER
GA
Dimethyl sulfate
206
206
0
0
0
0
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Dimethyl sulfate
7,605
7,605
0
0
0
0
0
0.00%
0.0%
0.0%
0.0%
0.0%
0.0%
STEPAN CO MILLSDALE ROAD
ELWOOD
IL
Nonylphenol
0
0
10,620
10,620
0
0
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 .
The Greenhouse CO2e column shows the CO2 equivalent pounds released by this facility if the facility also exists in the Greenhouse 100 emitters database
* Split: if 50% appears in this column, then the facility's emissions have been split among two 50/50% ownership parent companies for their parent company data, although the full pounds and score are displayed here.
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