[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: 40CFR421.22]

[Page 463]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 421-NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
 
         Subpart B-Primary Aluminum Smelting Subcategory
 
Sec. 421.22  Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control 
          technology currently available.

    Except as provided in 40 CFR 125.30 through 125.32, any existing 
point source subject to this subpart shall achieve the following 
effluent limitations representing the degree of effluent reduction 
attainable by the application of the best practicable technology 
currently available (BPT):

------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                  Metric units-
                                                    kg/kkg of
                                                         product

                                                  English units-
                                                lbs/thousand lbs
                                                       of product

                                               --------------
Fluoride......................................          2.0          1.0
Total Suspended solids........................          3.0          1.5
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6 to 9 at all times.


[49 FR 8792, Mar. 8, 1984; 49 FR 29794, July 24, 1984]

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