Facility Profile

CORNERSTONE CHEMICAL CO
CSTN HOLDINGS INC
Facility Summary
10800 RIVER RD, WESTWEGO, LA, 70094 (JEFFERSON PARISH)
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:
- 115.50 metric tons of Methane (CH4)
- 137.68 metric tons of Nitrous Oxide (N2O)
- 116,373.00 metric tons of Carbon Dioxide (CO2)
18-month enforcement and compliance history summary for this facility:
Facility: Violation Identified
Clean Air Act: No Violation Identified
Clean Water Act: Violation Identified
Resource Conservation and Recovery Act : No Violation Identified
Total Penalties: $142,000
Last Penalty: 02/06/2023
2022 Toxic Substance Releases
Substance Total
(lbs)
Air
(lbs)
Water
(lbs)
Land
(lbs)
UnInj
(lbs)
Offsite
(lbs)
ACETONITRILE
CASRN: 75-05-8
6,183,365.00 155.00 0.00 0.00 6,183,210.00 0.00
This substance is a carcinogen. (Source: Plastichem Project)
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
AMMONIA
CASRN: 7664-41-7
4,065,786.00 76,011.00 28,192.00 0.00 3,961,583.00 0.00
Substance Total Air Water Land UnInj Offsite
CYANIDE COMPOUNDS
CASRN: N106
667,773.00 0.00 34.00 0.00 667,739.00 0.00
Substance Total Air Water Land UnInj Offsite
METHYL ALCOHOL
CASRN: 67-56-1
521,020.40 3,931.40 518.00 0.00 516,571.00 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
ACRYLAMIDE
CASRN: 79-06-1
296,409.40 0.40 52.00 0.00 296,357.00 0.00
Substance Total Air Water Land UnInj Offsite
ACETAMIDE
CASRN: 60-35-5
292,262.00 0.00 0.00 0.00 292,262.00 0.00
Substance Total Air Water Land UnInj Offsite
PROPYLENE
CASRN: 115-07-1
225,634.40 225,634.40 0.00 0.00 0.00 0.00
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
Substance Total Air Water Land UnInj Offsite
NITRATE COMPOUNDS (WATER DISSOCIABLE)
CASRN: N511
203,766.00 0.00 107,213.00 0.00 96,553.00 0.00
Substance Total Air Water Land UnInj Offsite
PYRIDINE
CASRN: 110-86-1
133,200.00 0.00 0.00 0.00 133,200.00 0.00
Substance Total Air Water Land UnInj Offsite
METHACRYLONITRILE
CASRN: 126-98-7
114,032.07 0.07 0.00 0.00 114,032.00 0.00
This substance is a developmental or reproductive toxin. (Source: Plastichem Project)
Substance Total Air Water Land UnInj Offsite
ETHYLENE GLYCOL
CASRN: 107-21-1
93,623.50 252.50 0.00 0.00 93,371.00 0.00
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
MOLYBDENUM TRIOXIDE
CASRN: 1313-27-5
89,494.40 3.40 0.00 0.00 84,991.00 4,500.00
Substance Total Air Water Land UnInj Offsite
SODIUM NITRITE
CASRN: 7632-00-0
73,094.00 0.00 0.00 0.00 56,719.00 16,375.00
This substance is a carcinogen. (Source: Plastichem Project)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
Substance Total Air Water Land UnInj Offsite
GLYCOL ETHERS
CASRN: N230
71,441.02 0.02 0.00 0.00 71,441.00 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
HYDROQUINONE
CASRN: 123-31-9
49,010.00 0.00 0.00 0.00 49,010.00 0.00
Substance Total Air Water Land UnInj Offsite
ACRYLONITRILE
CASRN: 107-13-1
36,892.10 10,528.10 31.00 0.00 26,333.00 0.00
Substance Total Air Water Land UnInj Offsite
ACETALDEHYDE
CASRN: 75-07-0
25,620.00 1.00 0.00 0.00 25,619.00 0.00
Substance Total Air Water Land UnInj Offsite
METHYL METHACRYLATE
CASRN: 80-62-6
19,470.80 13.80 35.00 0.00 19,422.00 0.00
Substance Total Air Water Land UnInj Offsite
SULFURIC ACID
CASRN: 7664-93-9
13,745.00 13,745.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
MERCURY COMPOUNDS
CASRN: N495
10,635.90 48.20 242.00 0.00 9,334.00 1,011.70
Substance Total Air Water Land UnInj Offsite
HYDROGEN CYANIDE
CASRN: 74-90-8
4,687.00 4,687.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
COBALT COMPOUNDS
CASRN: N096
1,817.50 4.80 0.00 0.00 524.00 1,288.70
Substance Total Air Water Land UnInj Offsite