MOUNTAIN STATE CARBON LLC
                    CLEVELAND-CLIFFS INC.
                    Facility Summary
                        1851 MAIN ST, FOLLANSBEE, WV, 26037 (BROOKE)
                                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:
                                                                                            - 12.00 metric tons of Methane (CH4)
                                                                                            - 29.80 metric tons of Nitrous Oxide (N2O)
                                                                                            - 46,315.60 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: $42,137
                                                                                                                                                                                                    Last Penalty: 09/01/2022
                                                                                                                        2022 Toxic Substance Releases
        
        | Substance | Total (lbs)  | 
                            Air (lbs)  | 
                            Water (lbs)  | 
                            Land (lbs)  | 
                            UnInj (lbs)  | 
                            Offsite (lbs)  | 
                        
|---|---|---|---|---|---|---|
| 
                            NITRATE COMPOUNDS (WATER DISSOCIABLE)
            
             CASRN: N511  | 
                61,000.00 | 0.00 | 61,000.00 | 0.00 | 0.00 | 0.00 | 
| 
             | 
    ||||||
| Substance | Total | Air | Water | Land | UnInj | Offsite | 
| 
                            BENZENE
            
             CASRN: 71-43-2  | 
                8,310.00 | 8,300.00 | 0.00 | 0.00 | 0.00 | 10.00 | 
| 
             
 This substance is a carcinogen. 
    (Source: International Agency for Research on Cancer Monographs On the Evaluation of Carcinogenic Risks to Humans)
 
    
    
            
 This substance is a developmental or reproductive toxin. 
    (Source: California Proposition 65)
 
    
            
 This substance is a mutagen. 
    (Source: European Chemical Agency InfoCards)
 
    
            
 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 | 
| 
                            ETHYLENE
            
             CASRN: 74-85-1  | 
                7,200.00 | 7,200.00 | 0.00 | 0.00 | 0.00 | 0.00 | 
| 
             
 This substance is a neurotoxin. 
    (Source: Grandjean P, Landrigan PJ. Neurobehavioural effects of developmental toxicity)
 
    
    
    
    
             | 
    ||||||
| Substance | Total | Air | Water | Land | UnInj | Offsite | 
| 
                            NAPHTHALENE
            
             CASRN: 91-20-3  | 
                4,957.00 | 2,457.00 | 0.00 | 0.00 | 0.00 | 2,500.00 | 
| 
             
 This substance is a carcinogen. 
    (Source: U.S. Environmental Protection Agency Toxics Release Inventory Basis of OSHA Carcinogens)
 
    
    
    
    
    
            
 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 | 
| 
                            AMMONIA
            
             CASRN: 7664-41-7  | 
                3,707.00 | 2,357.00 | 310.00 | 0.00 | 0.00 | 1,040.00 | 
| 
             
 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))
 
    
    
             | 
    ||||||
| Substance | Total | Air | Water | Land | UnInj | Offsite | 
| 
                            POLYCYCLIC AROMATIC COMPOUNDS (TRI CATEGORY)
            
             CASRN: N590  | 
                3,445.00 | 43.00 | 2.00 | 0.00 | 0.00 | 3,400.00 | 
| 
             
 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 | 
| 
                            TOLUENE
            
             CASRN: 108-88-3  | 
                1,443.00 | 1,440.00 | 0.00 | 0.00 | 0.00 | 3.00 | 
| 
             
 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 | 
| 
                            PHENANTHRENE
            
             CASRN: 85-01-8  | 
                1,390.00 | 230.00 | 0.00 | 0.00 | 0.00 | 1,160.00 | 
| 
             
 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 | 
| 
                            HYDROGEN SULFIDE
            
             CASRN: 6/4/83  | 
                1,270.00 | 1,270.00 | 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))
 
    
    
             | 
    ||||||
| Substance | Total | Air | Water | Land | UnInj | Offsite | 
| 
                            ANTHRACENE
            
             CASRN: 120-12-7  | 
                382.00 | 15.00 | 0.00 | 0.00 | 0.00 | 367.00 | 
| 
             
 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 | 
| 
                            CRESOL
            
             CASRN: 1319-77-3  | 
                351.00 | 0.00 | 0.00 | 0.00 | 0.00 | 351.00 | 
| 
             
 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 | 
| 
                            DIBENZOFURAN
            
             CASRN: 132-64-9  | 
                322.00 | 79.00 | 0.00 | 0.00 | 0.00 | 243.00 | 
| 
             
 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  | 
                270.00 | 120.00 | 0.00 | 0.00 | 0.00 | 150.00 | 
| 
             
 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 | 
| 
                            LEAD COMPOUNDS
            
             CASRN: N420  | 
                246.00 | 4.00 | 13.00 | 0.00 | 0.00 | 229.00 | 
| 
             
 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 neurotoxin. 
    (Source: Grandjean P, Landrigan PJ. Neurobehavioural effects of developmental toxicity)
 
    
    
    
    
            
 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  | 
                148.00 | 145.00 | 0.00 | 0.00 | 0.00 | 3.00 | 
| 
             
 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 | 
| 
                            MERCURY COMPOUNDS
            
             CASRN: N458  | 
                22.00 | 3.00 | 0.00 | 0.00 | 0.00 | 19.00 | 
| 
             
 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 |