463.35—Pretreatment standards for existing sources.
        
        (a) 
         PSES for bis(2-ethylhexyl) phthalate, di-n-butyl phthalate, and dimethyl phthalate are reserved.
    
    
        
        (b) 
         Any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with  40 CFR Part 403 —General Pretreatment Regulations.
    
    
        
        (a) 
         PSES for bis(2-ethylhexyl) phthalate, di-n-butyl phthalate, and dimethyl phthalate are reserved.
    
    
        
        (b) 
         Any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with  40 CFR part 403 —General Pretreatment Regulations.