Facility Profile

US OIL & REFINING CO
PAR PACIFIC HOLDINGS INC
Facility Summary
3001 MARSHALL AVE, TACOMA, WA, 98421 (PIERCE)
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:
- 715.75 metric tons of Methane (CH4)
- 17.88 metric tons of Nitrous Oxide (N2O)
- 6,538.70 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: $41,000
Last Penalty: 06/16/2022
2022 Toxic Substance Releases
Substance Total
(lbs)		 Air
(lbs)		 Water
(lbs)		 Land
(lbs)		 UnInj
(lbs)		 Offsite
(lbs)
AMMONIA
CASRN: 7664-41-7 		46,377.27 46,118.57 238.30 0.00 0.00 20.40
Substance Total Air Water Land UnInj Offsite
TOLUENE
CASRN: 108-88-3 		11,669.25 11,667.00 0.03 0.00 0.00 2.22
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
N-HEXANE
CASRN: 110-54-3 		11,158.27 11,155.00 3.27 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
XYLENES
CASRN: 1330-20-7 		9,281.73 9,268.00 3.30 0.00 0.00 10.43
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
CYCLOHEXANE
CASRN: 110-82-7 		3,802.30 3,799.00 3.30 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
BENZENE
CASRN: 71-43-2 		2,465.73 2,465.00 0.08 0.00 0.00 0.65
Substance Total Air Water Land UnInj Offsite
1,2,4-TRIMETHYLBENZENE
CASRN: 95-63-6 		1,670.42 1,667.00 3.30 0.00 0.00 0.12
This substance is a carcinogen. (Source: Plastichem Project)
Substance Total Air Water Land UnInj Offsite
ETHYLBENZENE
CASRN: 100-41-4 		1,581.63 1,570.97 0.10 0.00 0.00 10.56
Substance Total Air Water Land UnInj Offsite
HYDROGEN SULFIDE
CASRN: 6/4/83 		407.00 375.00 32.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
NAPHTHALENE
CASRN: 91-20-3 		192.02 192.00 0.02 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
POLYCYCLIC AROMATIC COMPOUNDS (TRI CATEGORY)
CASRN: N590 		20.90 20.00 0.00 0.00 0.00 0.90
This is a persistent bioaccumulative toxic substance (PBTs). (Source: U.S. EPA Toxics Release Inventory (TRI))
This substance is a carcinogen. (Source: U.S. Environmental Protection Agency Toxics Release Inventory Basis of OSHA Carcinogens)
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
LEAD
CASRN: 7439-92-1 		6.03 1.10 0.19 0.00 0.00 4.74
Substance Total Air Water Land UnInj Offsite
MERCURY COMPOUNDS
CASRN: N458 		1.22 1.10 0.03 0.00 0.00 0.09
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
BENZO[G,H,I]PERYLENE
CASRN: 191-24-2 		0.04 0.04 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
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