Facility Profile

OPAL GAS PLANT
THE WILLIAMS COS
Facility Summary
1 MILE WEST OF OPAL HWY 30, OPAL, WY, 83124 (LINCOLN)
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:
18-month enforcement and compliance history summary for this facility:
Facility: No Violation Identified
Clean Air Act: No Violation Identified
Clean Water Act:
Resource Conservation and Recovery Act : No Violation Identified
Total Penalties: $0
Last Penalty: 08/24/2000
2022 Toxic Substance Releases
Substance Total
(lbs)		 Air
(lbs)		 Water
(lbs)		 Land
(lbs)		 UnInj
(lbs)		 Offsite
(lbs)
TOLUENE
CASRN: 108-88-3 		36,176.39 8,123.21 0.00 0.00 0.00 28,053.18
This substance is a developmental or reproductive toxin. (Source: California Proposition 65)
This substance is a neurotoxin. (Source: Grandjean P, Landrigan PJ. Neurobehavioural effects of developmental toxicity)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
This substance is an asthmagen. (Source: Association of Occupational and Environmental Clinics (AOEC))
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 		25,658.54 6,181.78 0.00 0.00 0.00 19,476.76
This substance is a developmental or reproductive toxin. (Source: Plastichem Project)
This substance is a neurotoxin. (Source: Grandjean P, Landrigan PJ. Neurobehavioural effects of developmental toxicity)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
This substance is an asthmagen. (Source: Association of Occupational and Environmental Clinics (AOEC))
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 		20,417.38 8,780.00 0.00 0.00 0.00 11,637.38
This substance is a developmental or reproductive toxin. (Source: California Proposition 65)
This substance is a neurotoxin. (Source: Grandjean P, Landrigan PJ. Neurobehavioural effects of developmental toxicity)
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
This substance is an asthmagen. (Source: Association of Occupational and Environmental Clinics (AOEC))
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 		17,629.95 1,800.74 0.00 0.00 0.00 15,829.21
Substance Total Air Water Land UnInj Offsite
ETHYLBENZENE
CASRN: 100-41-4 		5,762.36 980.11 0.00 0.00 0.00 4,782.25
Substance Total Air Water Land UnInj Offsite
DIOLAMINE
CASRN: 111-42-2 		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 an asthmagen. (Source: Association of Occupational and Environmental Clinics (AOEC))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite