Facility Profile

USS-CLAIRTON PLANT
US STEEL CORP
Facility Summary
400 STATE ST MS 71, CLAIRTON, PA, 15025 (ALLEGHENY)
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:
- 326.25 metric tons of Methane (CH4)
- 791.19 metric tons of Nitrous Oxide (N2O)
- 34,614.30 metric tons of Carbon Dioxide (CO2)
18-month enforcement and compliance history summary for this facility:
Facility: Significant Violation
Clean Air Act: Violation Unaddressed; Local Has Lead Enforcement
Clean Water Act: Violation Identified
Resource Conservation and Recovery Act : No Violation Identified
Total Penalties: $8,032,873
Last Penalty: 10/19/2023
2022 Toxic Substance Releases
Substance Total
(lbs)		 Air
(lbs)		 Water
(lbs)		 Land
(lbs)		 UnInj
(lbs)		 Offsite
(lbs)
NITRATE COMPOUNDS (WATER DISSOCIABLE)
CASRN: N511 		3,624,255.00 1,337.00 3,622,918.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
HYDROGEN SULFIDE
CASRN: 6/4/83 		317,761.00 317,761.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
AMMONIA
CASRN: 7664-41-7 		302,729.00 302,335.00 394.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
HYDROCHLORIC ACID
CASRN: 7647-01-0 		201,968.00 201,968.00 0.00 0.00 0.00 0.00
This substance is a developmental or reproductive toxin. (Source: Plastichem Project)
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
METHYL ALCOHOL
CASRN: 67-56-1 		80,526.00 80,526.00 0.00 0.00 0.00 0.00
This substance is a developmental or reproductive toxin. (Source: California Proposition 65)
This substance is a 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
PHENOL
CASRN: 108-95-2 		42,709.00 42,675.00 34.00 0.00 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
CARBON DISULFIDE
CASRN: 75-15-0 		33,279.00 33,279.00 0.00 0.00 0.00 0.00
This substance is a developmental or reproductive toxin. (Source: California Proposition 65)
This substance is a 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 		30,420.00 30,419.00 1.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
HYDROGEN CYANIDE
CASRN: 74-90-8 		30,383.00 30,383.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE
CASRN: 74-85-1 		18,111.00 18,111.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CYANIDE COMPOUNDS
CASRN: N106 		17,071.00 10,095.00 6,916.00 0.00 0.00 60.00
Substance Total Air Water Land UnInj Offsite
TOLUENE
CASRN: 108-88-3 		8,499.00 8,496.00 3.00 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
NAPHTHALENE
CASRN: 91-20-3 		7,713.00 7,703.00 6.00 0.00 0.00 4.00
Substance Total Air Water Land UnInj Offsite
CRESOL
CASRN: 1319-77-3 		2,882.00 2,881.00 0.00 0.00 0.00 1.00
Substance Total Air Water Land UnInj Offsite
PHENANTHRENE
CASRN: 85-01-8 		2,645.00 2,638.00 5.00 0.00 0.00 2.00
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
PROPYLENE
CASRN: 115-07-1 		2,375.00 2,375.00 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
POLYCYCLIC AROMATIC COMPOUNDS (TRI CATEGORY)
CASRN: N590 		2,190.47 2,176.72 10.40 0.00 0.00 3.35
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
DIBENZOFURAN
CASRN: 132-64-9 		727.00 700.00 27.00 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
BENZO[G,H,I]PERYLENE
CASRN: 191-24-2 		502.34 497.11 5.23 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
XYLENES
CASRN: 1330-20-7 		368.00 362.00 6.00 0.00 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
ACETONITRILE
CASRN: 75-05-8 		361.00 361.00 0.00 0.00 0.00 0.00
This substance is a carcinogen. (Source: Plastichem Project)
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
ANTHRACENE
CASRN: 120-12-7 		340.00 335.00 5.00 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
BIPHENYL
CASRN: 92-52-4 		261.00 261.00 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
STYRENE
CASRN: 100-42-5 		258.00 255.00 3.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
ETHYLENE GLYCOL
CASRN: 107-21-1 		114.00 114.00 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 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
LEAD COMPOUNDS
CASRN: N420 		94.02 48.03 32.63 0.00 0.00 13.36
Substance Total Air Water Land UnInj Offsite
ETHYLBENZENE
CASRN: 100-41-4 		63.00 60.00 3.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
PYRIDINE
CASRN: 110-86-1 		61.00 6.00 55.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
MERCURY COMPOUNDS
CASRN: N458 		6.72 1.05 0.58 0.00 0.00 5.09
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
DICYCLOPENTADIENE
CASRN: 77-73-6 		1.00 1.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
1,2,4-TRIMETHYLBENZENE
CASRN: 95-63-6 		1.00 1.00 0.00 0.00 0.00 0.00
This substance is a carcinogen. (Source: Plastichem Project)
Substance Total Air Water Land UnInj Offsite
2,4-DIMETHYLPHENOL
CASRN: 105-67-9 		0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite