Facility Profile

ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP
DOW INC
Facility Summary
355 LA HWY 3142 (GATE 1), HAHNVILLE, LA, 70057 (ST. CHARLES PARISH)
In 2022, this facility made toxic releases of:
- Concern to the air
- Onsite air release of Clean Air Act chemicals
- Onsite release Persistent bioaccumulative toxic substance (PBTs)
- Onsite release of known carcinogens
This facility reported the following greenhouse gas releases for 2022:
- 46,116.00 metric tons of Methane (CH4)
- 1,448.58 metric tons of Nitrous Oxide (N2O)
- 561,999.20 metric tons of Carbon Dioxide (CO2)
18-month enforcement and compliance history summary for this facility:
Facility: No Violation Identified
Clean Air Act: No Violation Identified
Clean Water Act: No Violation Identified
Resource Conservation and Recovery Act : No Violation Identified
Total Penalties: $3,222,936
Last Penalty: 11/28/2022
2022 Toxic Substance Releases
Substance Total
(lbs)
Air
(lbs)
Water
(lbs)
Land
(lbs)
UnInj
(lbs)
Offsite
(lbs)
NITRATE COMPOUNDS (WATER DISSOCIABLE)
CASRN: N511
123,435.00 0.00 123,435.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE
CASRN: 74-85-1
113,140.00 113,140.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
AMMONIA
CASRN: 7664-41-7
92,525.00 25,452.00 17,868.00 0.00 0.00 49,205.00
Substance Total Air Water Land UnInj Offsite
ALLYL ALCOHOL
CASRN: 107-18-6
30,534.00 22,500.00 8,034.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
FORMALDEHYDE
CASRN: 50-00-0
26,526.00 15,224.00 11,302.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
COPPER COMPOUNDS
CASRN: N100
16,977.00 0.00 0.00 0.00 0.00 16,977.00
Substance Total Air Water Land UnInj Offsite
PROPYLENE
CASRN: 115-07-1
16,812.00 16,812.00 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
1,4-DIOXANE
CASRN: 123-91-1
9,831.00 8,711.00 1,120.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ACETALDEHYDE
CASRN: 75-07-0
9,811.00 9,807.00 4.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CHROMIUM COMPOUNDS
CASRN: N090
8,938.00 0.00 0.00 0.00 0.00 8,938.00
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
ACRYLIC ACID
CASRN: 79-10-7
8,166.00 3,386.00 4,780.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ZINC COMPOUNDS
CASRN: N982
6,137.00 244.00 0.00 0.00 0.00 5,893.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE OXIDE
CASRN: 75-21-8
5,735.00 5,589.00 146.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
METHYL ALCOHOL
CASRN: 67-56-1
5,398.00 5,284.00 114.00 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
NONPHENOLS (TRI CATEGORY)
CASRN: N530
5,347.00 5,337.00 10.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
DIOLAMINE
CASRN: 111-42-2
5,144.00 5,075.00 69.00 0.00 0.00 0.00
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
N-HEXANE
CASRN: 110-54-3
3,327.00 3,327.00 0.00 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
ETHYLENE GLYCOL
CASRN: 107-21-1
3,034.00 1,749.00 1,285.00 0.00 0.00 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
BUTYL ALCOHOL
CASRN: 71-36-3
3,022.00 3,018.00 4.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
BUTYRALDEHYDE
CASRN: 123-72-8
2,005.00 2,005.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ACROLEIN
CASRN: 107-02-8
1,429.00 1,428.00 1.00 0.00 0.00 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
MERCURY COMPOUNDS
CASRN: N495
1,395.00 0.00 0.00 0.00 0.00 1,395.00
Substance Total Air Water Land UnInj Offsite
NAPHTHALENE
CASRN: 91-20-3
1,283.00 1,283.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
HYDROGEN SULFIDE
CASRN: 6/4/83
1,222.00 1,222.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
METHYL ACRYLATE
CASRN: 96-33-3
963.00 963.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
HYDROQUINONE
CASRN: 123-31-9
755.00 186.00 569.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLBENZENE
CASRN: 100-41-4
431.00 431.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,3-BUTADIENE
CASRN: 106-99-0
389.00 389.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
TOLUENE
CASRN: 108-88-3
294.00 294.00 0.00 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
BENZENE
CASRN: 71-43-2
257.00 257.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
GLYCOL ETHERS
CASRN: N230
217.00 162.00 55.00 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
XYLENES
CASRN: 1330-20-7
188.00 188.00 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
BIPHENYL
CASRN: 92-52-4
115.00 115.00 0.00 0.00 0.00 0.00
This substance is a carcinogen. (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
ISOBUTYRALDEHYDE
CASRN: 78-84-2
96.00 96.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
PROPIONALDEHYDE
CASRN: 123-38-6
49.00 47.00 2.00 0.00 0.00 0.00
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
ETHYLENE DICHLORIDE
CASRN: 107-06-2
38.00 38.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
STYRENE
CASRN: 100-42-5
33.00 33.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,2,4-TRIMETHYLBENZENE
CASRN: 95-63-6
27.00 27.00 0.00 0.00 0.00 0.00
This substance is a carcinogen. (Source: Plastichem Project)
Substance Total Air Water Land UnInj Offsite
NONPHENOL ETHOXYLATES (TRI CATEGORY)
CASRN: N535
12.00 12.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CYCLOHEXANE
CASRN: 110-82-7
1.00 1.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
POLYCYCLIC AROMATIC COMPOUNDS (TRI CATEGORY)
CASRN: N590
1.00 1.00 0.00 0.00 0.00 0.00
This is a persistent bioaccumulative toxic substance (PBTs). (Source: U.S. EPA Toxics Release Inventory (TRI))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
PYRIDINE
CASRN: 110-86-1
1.00 1.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ANTHRACENE
CASRN: 120-12-7
0.00 0.00 0.00 0.00 0.00 0.00
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
COBALT COMPOUNDS
CASRN: N096
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
DIMETHYL PHTHALATE
CASRN: 131-11-3
0.00 0.00 0.00 0.00 0.00 0.00
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
DICYCLOPENTADIENE
CASRN: 77-73-6
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ISOPRENE
CASRN: 78-79-5
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
PHTHALIC ANHYDRIDE
CASRN: 85-44-9
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CUMENE
CASRN: 98-82-8
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
VANADIUM COMPOUNDS
CASRN: N770
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
MOLYBDENUM TRIOXIDE
CASRN: 1313-27-5
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite