Facility Profile

WESTLAKE PETROCHEMICALS ETHYLENE
WESTLAKE CHEMICAL CORP
Facility Summary
900 E HIGHWAY 108, SULPHUR, LA, 70665 (CALCASIEU 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:
- 76.00 metric tons of Methane (CH4)
- 90.59 metric tons of Nitrous Oxide (N2O)
- 161,548.00 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: $2,250,000
Last Penalty: 10/26/2022
2022 Toxic Substance Releases
Substance Total
(lbs)
Air
(lbs)
Water
(lbs)
Land
(lbs)
UnInj
(lbs)
Offsite
(lbs)
PROPYLENE
CASRN: 115-07-1
41,892.69 41,892.69 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
AMMONIA
CASRN: 7664-41-7
10,560.57 10,560.57 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,3-BUTADIENE
CASRN: 106-99-0
8,994.59 8,994.59 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE
CASRN: 74-85-1
8,982.29 8,982.29 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
TOLUENE
CASRN: 108-88-3
3,123.85 3,115.43 8.31 0.00 0.00 0.11
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
N-HEXANE
CASRN: 110-54-3
2,392.13 2,392.13 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
2,034.00 2,016.18 17.82 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLBENZENE
CASRN: 100-41-4
1,052.61 1,046.55 5.97 0.00 0.00 0.09
Substance Total Air Water Land UnInj Offsite
STYRENE
CASRN: 100-42-5
857.48 857.28 0.00 0.00 0.00 0.20
Substance Total Air Water Land UnInj Offsite
MALEIC ANHYDRIDE
CASRN: 108-31-6
470.67 470.67 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
NAPHTHALENE
CASRN: 91-20-3
203.59 188.44 12.27 0.00 0.00 2.88
Substance Total Air Water Land UnInj Offsite
XYLENES
CASRN: 1330-20-7
106.77 72.31 34.46 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
CHLORINE
CASRN: 7782-50-5
20.00 20.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
METHYL TERT-BUTYL ETHER (MTBE)
CASRN: 1634-04-4
11.24 11.24 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CUMENE
CASRN: 98-82-8
7.73 7.73 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
DINOSEB
CASRN: 88-85-7
5.51 5.51 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))
Substance Total Air Water Land UnInj Offsite
BIPHENYL
CASRN: 92-52-4
2.65 2.65 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
1,2,4-TRIMETHYLBENZENE
CASRN: 95-63-6
0.00 0.00 0.00 0.00 0.00 0.00
This substance is a carcinogen. (Source: Plastichem Project)
Substance Total Air Water Land UnInj Offsite
TRIBUFOS
CASRN: 78-48-8
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))
Substance Total Air Water Land UnInj Offsite
BROMINE
CASRN: 7726-95-6
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE GLYCOL
CASRN: 107-21-1
0.00 0.00 0.00 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
CHLORINE DIOXIDE
CASRN: 10049-04-4
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite