421.54—Standards of performance for new sources.
               		
               		
               	 	
               	 	
               	 	
               	 		
    
         Any new source subject to this subpart shall achieve the following new source performance standards:
    
    
        
        (a) 
         Subpart E—Casting Contact Cooling.
     
    
        
            NSPS
            
                
                
                
            
            
                |  | mg/kg (pounds per million pounds) of copper cast | 
            
                | Arsenic | .692 | .309 | 
            
                | Copper | .638 | .304 | 
            
                | Nickel | .274 | .184 | 
            
                | Total suspended solids | 7.470 | 5.976 | 
            
                | pH | (1) | (1) | 
            
                | 1 Within the range of 7.5 to 10.0 at all times. | 
        
     
    
        
        (b) 
         Subpart E—Anode and Cathode Rinse.
     
    
        
            NSPS
            
                
                
                
            
            
                |  | mg/kg (pounds per million pounds) of cathode copper production | 
            
                | Arsenic | .000 | .000 | 
            
                | Copper | .000 | .000 | 
            
                | Nickel | .000 | .000 | 
            
                | Total suspended solids | .000 | .000 | 
            
                | pH | (1) | (1) | 
            
                | 1 Within the range of 7.5 to 10.0 at all times. | 
        
     
    
        
        (c) 
         Subpart E—Spent Electrolyte.
     
    
        
            NSPS
            
                
                
                
            
            
                |  | mg/kg (pounds per million pounds) of copper cathode production | 
            
                | Arsenic | .068 | .031 | 
            
                | Copper | .063 | .030 | 
            
                | Nickel | .027 | .018 | 
            
                | Total suspended solids | .735 | .588 | 
            
                | pH | (1) | (1) | 
            
                | 1 Within the range 7.5 to 10.0 at all times. | 
        
     
    
        
        (d) 
         Subpart E—Casting Wet Air Pollution Control.
     
    
        
            NSPS
            
                
                
                
            
            
                |  | mg/kg (pounds per million pounds) of casting production | 
            
                | Arsenic | .000 | .000 | 
            
                | Copper | .000 | .000 | 
            
                | Nickel | .000 | .000 | 
            
                | Total suspended solids | .000 | .000 | 
            
                | pH | (1) | (1) | 
            
                | 1 Within the range of 7.5 to 10.0 at all times. | 
        
     
    
        
        (e) 
         Subpart E—By-Product Recovery.
     
    
        
            NSPS
            
                
                
                
            
            
                |  | mg/kg (pounds per million pounds) of product recovered from electrolytic slimes processing | 
            
                | Arsenic | .000 | .000 | 
            
                | Copper | .000 | .000 | 
            
                | Nickel | .000 | .000 | 
            
                | Total suspended solids | .000 | .000 | 
            
                | pH | (1) | (1) | 
            
                | 1 Within the range of 7.5 to 10.0 at all times. | 
        
     
    [49 FR 8801, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984]