403.2—Objectives of general pretreatment regulations.
         By establishing the responsibilities of government and industry to implement National Pretreatment Standards this regulation fulfills three objectives:
    
    
        
        (a) 
         To prevent the introduction of pollutants into POTWs which will interfere with the operation of a POTW, including interference with its use or disposal of municipal sludge;
    
    
        
        (b) 
         To prevent the introduction of pollutants into POTWs which will pass through the treatment works or otherwise be incompatible with such works; and
    
    
        
        (c) 
         To improve opportunities to recycle and reclaim municipal and industrial wastewaters and sludges.