420.105—Pretreatment standards for existing sources (PSES).
               		
               		
               	 	
               	 	
               	 	
               	 		
    
         Except as provided in  40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with  40 CFR part 403 and achieve the following pretreatment standards for existing sources.
     
    
        
        (a) Cold rolling—
        
        (1) Recirculation—single stand.
         
     
    
        
            Subpart J
            
                
                
                
                    
                    
                
            
            
                |  | Kg/kkg (pounds per 1,000 lb) of product | 
            
                | Chromium 1 | 0.0000209 | 0.0000084 | 
            
                | Lead | 0.0000094 | 0.0000031 | 
            
                | Nickel 1 | 0.0000188 | 0.0000063 | 
            
                | Zinc | 0.0000063 | 0.0000021 | 
            
                | Naphthalene | 0.0000021 |  | 
            
                | Tetrachloroethylene | 0.0000031 |  | 
            
                | 1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters. | 
        
     
    
        
        (2) Recirculation—multiple stands.
         
 
     
    
        
            Subpart J
            
                
                
                
                    
                    
                
            
            
                |  | Kg/kkg (pounds per 1,000 lb) of product | 
            
                | Chromium 1 | 0.000104 | 0.0000418 | 
            
                | Lead | 0.0000469 | 0.0000156 | 
            
                | Nickel 1 | 0.0000939 | 0.0000313 | 
            
                | Zinc | 0.0000313 | 0.0000104 | 
            
                | Naphthalene | 0.0000104 |  | 
            
                | Tetrachloroethylene | 0.0000156 |  | 
            
                | 1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters. | 
        
     
    
    
        
            Subpart J
            
                
                
                
                    
                    
                
            
            
                |  | Kg/kkg (pounds per 1,000 lb) of product | 
            
                | Chromium 1 | 0.00125 | 0.000501 | 
            
                | Lead | 0.000563 | 0.000188 | 
            
                | Nickel 1 | 0.00113 | 0.000376 | 
            
                | Zinc | 0.000376 | 0.000125 | 
            
                | Naphthalene | 0.000125 |  | 
            
                | Tetrachloroethylene | 0.000188 |  | 
            
                | 
                        
                            
                                
                                    Code of Federal Regulations
                                
                                443
                             | 
            
                | 1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters. | 
        
     
    
        
        (4) Direct application—single stand.
         
 
     
    
        
            Subpart J
            
                
                
                
                    
                    
                
            
            
                |  | Kg/kkg (pounds per 1,000 lb) of product | 
            
                | Chromium 1 | 0.000376 | 0.000150 | 
            
                | Lead | 0.000169 | 0.0000563 | 
            
                | Nickel 1 | 0.000338 | 0.000113 | 
            
                | Zinc | 0.000113 | 0.0000376 | 
            
                | Naphthalene | 0.0000376 |  | 
            
                | Tetrachloroethylene | 0.0000563 |  | 
            
                | 1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters. | 
        
     
    
        
        (5) Direct application—multiple stands.
         
 
     
    
        
            Subpart J
            
                
                
                
                    
                    
                
            
            
                |  | Kg/kkg (pounds per 1,000 lb) of product | 
            
                | Chromium 1 | 0.00167 | 0.000668 | 
            
                | Lead | 0.000751 | 0.000250 | 
            
                | Nickel 1 | 0.00150 | 0.000501 | 
            
                | Zinc | 0.000501 | 0.000167 | 
            
                | Napthalene | 0.000167 |  | 
            
                | Tetrachloroethylene | 0.000250 |  | 
            
                | 1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters. | 
        
     
    
        
        (b) Cold worked pipe and tube mills—
        
        (1) Using water.
         
     
    
        
            Subpart J
            
                
                
                
                    
                    
                
            
            
                |  | kg/kkg (pounds per 1,000 lb) of product | 
            
                | Chromium 1 | 0.0000209 | 0.0000084 | 
            
                | Lead | 0.0000094 | 0.0000031 | 
            
                | Nickel 1 | 0.0000188 | 0.0000063 | 
            
                | Zinc | 0.0000063 | 0.0000021 | 
            
                | 1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters. | 
        
     
    
    
        
            Subpart J
            
                
                
                
                    
                    
                
            
            
                |  | kg/kkg (pounds per 1,000 lb) of product | 
            
                | Chromium 1 | 0.0000209 | 0.0000084 | 
            
                | Lead | 0.0000094 | 0.0000031 | 
            
                | Nickel 1 | 0.0000188 | 0.0000063 | 
            
                | Zinc | 0.0000063 | 0.0000021 | 
            
                | Naphthalene | 0.0000021 |  | 
            
                | Tetrachloroethylene | 0.0000031 |  | 
            
                | 1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters. | 
        
     
    [47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]