[Code of Federal Regulations]
[Title 40, Volume 26]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR421.31]

[Page 471]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 421-NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
 
        Subpart C-Secondary Aluminum Smelting Subcategory
 
Sec. 421.31  Specialized definitions.

    For the purpose 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.
    (b) The term product shall mean hot aluminum metal.
    (c) At-the-source means at or before the commingling of delacquering 
scrubber liquor blowdown with other process or nonprocess wastewaters.