415.421—Specialized definitions.
         For the purposes of this subpart:
    
    
        
        (a) 
         Except as provided below, the general definitions, abbreviations and methods of analysis set forth in  part 401 of this chapter shall apply to this subpart.
    
    
    
        
        (c) 
         The term Cyanide A means those cyanides amenable to chlorination and is determined by the methods specified in  40 CFR 136.3.