Facility Profile

WYOMING REFINING CO
PAR PACIFIC HOLDINGS INC
Facility Summary
10 STAMPEDE ST, NEWCASTLE, WY, 82701 (WESTON)
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:
- 434.25 metric tons of Methane (CH4)
- 98.04 metric tons of Nitrous Oxide (N2O)
- 54,611.80 metric tons of Carbon Dioxide (CO2)
18-month enforcement and compliance history summary for this facility:
Facility: Significant Violation
Clean Air Act: Violation Addressed; State Has Lead Enforcement
Clean Water Act: No Violation Identified
Resource Conservation and Recovery Act : No Violation Identified
Total Penalties: $0
Last Penalty: 12/09/2016
2022 Toxic Substance Releases
Substance Total
(lbs)		 Air
(lbs)		 Water
(lbs)		 Land
(lbs)		 UnInj
(lbs)		 Offsite
(lbs)
TOLUENE
CASRN: 108-88-3 		3,181.69 1,382.79 0.00 1,798.90 0.00 0.00
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
PROPYLENE
CASRN: 115-07-1 		1,982.39 1,982.39 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
N-HEXANE
CASRN: 110-54-3 		1,793.03 1,247.13 0.00 545.90 0.00 0.00
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
HYDROFLUORIC ACID
CASRN: 7664-39-3 		1,419.00 1,419.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
XYLENES
CASRN: 1330-20-7 		1,400.32 1,144.82 0.00 255.50 0.00 0.00
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
BENZENE
CASRN: 71-43-2 		1,280.80 780.70 0.00 500.10 0.00 0.00
Substance Total Air Water Land UnInj Offsite
AMMONIA
CASRN: 7664-41-7 		1,021.58 282.58 739.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
HYDROGEN SULFIDE
CASRN: 6/4/83 		551.72 551.72 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLBENZENE
CASRN: 100-41-4 		322.88 201.18 0.00 121.70 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CYCLOHEXANE
CASRN: 110-82-7 		301.84 301.84 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CUMENE
CASRN: 98-82-8 		271.69 271.69 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,3-BUTADIENE
CASRN: 106-99-0 		113.23 113.23 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,2,4-TRIMETHYLBENZENE
CASRN: 95-63-6 		108.16 108.16 0.00 0.00 0.00 0.00
This substance is a carcinogen. (Source: Plastichem Project)
Substance Total Air Water Land UnInj Offsite
NAPHTHALENE
CASRN: 91-20-3 		78.37 42.47 0.00 35.90 0.00 0.00
Substance Total Air Water Land UnInj Offsite
STYRENE
CASRN: 100-42-5 		26.38 26.38 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE
CASRN: 74-85-1 		19.58 19.58 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CRESOL
CASRN: 1319-77-3 		2.10 2.10 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
METHYL ALCOHOL
CASRN: 67-56-1 		1.20 1.20 0.00 0.00 0.00 0.00
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
GLYCOL ETHERS
CASRN: N230 		0.00 0.00 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
THIOLS, C8-20, _-_-PERFLUORO, TELOMERS WITH ACRYLAMIDE
CASRN: 70969-47-0 		0.00 0.00 0.00 0.00 0.00 0.00
This substance is a Per- and polyfluoroalkyl substance (PFAS). (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
1-PROPANESULFONIC ACID, 2-METHYL-, 2-[[1-OXO-3-[(_-_ -PERFLUORO-C4-16-ALKYL)THIO]PROPYL]AMINO ] DERIVS., SODIUM SALTS
CASRN: 68187-47-3 		0.00 0.00 0.00 0.00 0.00 0.00
This substance is a Per- and polyfluoroalkyl substance (PFAS). (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite