Facility Profile

STEPAN CO MILLSDALE ROAD
STEPAN CO
Facility Summary
22500 STEPAN RD, ELWOOD, IL, 60421 (WILL)
In 2022, this facility made toxic releases of:
- Concern to the air
- Onsite air release of Clean Air Act chemicals
- Onsite release of known carcinogens
This facility reported the following greenhouse gas releases for 2022:
- 16.50 metric tons of Methane (CH4)
- 19.67 metric tons of Nitrous Oxide (N2O)
- 34,788.70 metric tons of Carbon Dioxide (CO2)
18-month enforcement and compliance history summary for this facility:
Facility: Violation Identified
Clean Air Act: Violation w/in 1 Year
Clean Water Act: Violation Identified
Resource Conservation and Recovery Act : Violation
Total Penalties: $409,685
Last Penalty: 09/20/2023
2022 Toxic Substance Releases
Substance Total
(lbs)
Air
(lbs)
Water
(lbs)
Land
(lbs)
UnInj
(lbs)
Offsite
(lbs)
PHTHALIC ANHYDRIDE
CASRN: 85-44-9
79,354.00 79,354.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
METHYL ALCOHOL
CASRN: 67-56-1
66,201.00 66,180.00 21.00 0.00 0.00 0.00
This substance is a developmental or reproductive toxin. (Source: California Proposition 65)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
NITRATE COMPOUNDS (WATER DISSOCIABLE)
CASRN: N511
31,615.00 0.00 31,615.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
MALEIC ANHYDRIDE
CASRN: 108-31-6
31,594.00 31,594.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,4-DIOXANE
CASRN: 123-91-1
18,322.00 18,319.00 3.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
AMMONIA
CASRN: 7664-41-7
12,103.00 2,404.00 9,549.00 0.00 0.00 150.00
Substance Total Air Water Land UnInj Offsite
ACETALDEHYDE
CASRN: 75-07-0
11,045.00 11,045.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
XYLENES
CASRN: 1330-20-7
9,776.00 9,776.00 0.00 0.00 0.00 0.00
This substance is a developmental or reproductive toxin. (Source: Plastichem Project)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
O-XYLENE
CASRN: 95-47-6
9,321.00 9,321.00 0.00 0.00 0.00 0.00
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
ETHYLENE GLYCOL
CASRN: 107-21-1
5,674.00 117.00 448.00 0.00 0.00 5,109.00
This substance is a developmental or reproductive toxin. (Source: California Proposition 65)
This substance is a mutagen. (Source: Plastichem Project)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
SULFURIC ACID
CASRN: 7664-93-9
1,983.00 1,983.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
GLYCOL ETHERS
CASRN: N230
1,085.00 1,056.00 29.00 0.00 0.00 0.00
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
DIOLAMINE
CASRN: 111-42-2
896.00 867.00 0.00 0.00 0.00 29.00
This substance is a carcinogen. (Source: California Proposition 65)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
BUTYL ALCOHOL
CASRN: 71-36-3
802.00 802.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLBENZENE
CASRN: 100-41-4
515.00 515.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,2-PROPYLENE OXIDE
CASRN: 75-56-9
215.00 215.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE OXIDE
CASRN: 75-21-8
176.00 176.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
NAPHTHALENE
CASRN: 91-20-3
83.00 83.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
BENZYL CHLORIDE
CASRN: 100-44-7
62.00 62.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CHLOROACETIC ACID
CASRN: 79-11-8
61.00 21.00 40.00 0.00 0.00 0.00
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
DIMETHYL SULFATE
CASRN: 77-78-1
4.00 4.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
NONPHENOL ETHOXYLATES (TRI CATEGORY)
CASRN: N535
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
NONPHENOLS (TRI CATEGORY)
CASRN: N530
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite