415.646—Pretreatment standards for new sources (PSNS).
        
        (a) 
         Except as provided in  40 CFR 403.7, any new source subject to this subpart and producing cadmium pigments which introduces pollutants into a publicly owned treatment works must comply with  40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for cadmium (T), selenium (T), and zinc (T), are the same as specified in  § 415.644(a).
    
    
        
        (b) 
         Except as provided in  40 CFR 403.7, any new source subject to this subpart and producing cadmium salts which introduces pollutants into a publicly owned treatment works must comply with  40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for cadmium (T), selenium  (T), and zinc (T) are the same as specified in  § 415.644(b).