[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: 40CFR415.64]

[Page 256]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 415-INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
 
   Subpart F-Chlor-alkali Subcategory (Chlorine and Sodium or 
                     Potassium Hydroxide Production)
 
Sec. 415.64  Pretreatment standards for existing sources (PSES).

    (a) [Reserved]
    (b) Except as provided in 40 CFR 403.7 and 403.13, any existing 
source subject to this subpart and using the diaphragm cell process, 
which introduces pollutants into a publicly owned treatment works, must 
comply with 40 CFR part 403 and achieve the following pretreatment 
standards for existing sources (PSES):

          Subpart F-Chlor-Alkali-Diaphragm Cells
------------------------------------------------------------------------
                                               PSES effluent limitations
                                             ---------------------------
                                                             Average of
       Pollutant or pollutant property                      daily values
                                               Maximum for     for 30
                                                any 1 day    consecutive
                                                                days
------------------------------------------------------------------------
                                               Milligrams per liter (mq/
                                                          1)
                                             ---------------

Copper (T)..................................           2.1          0.80
Lead (T)....................................           2.9          1.1
Nickel (T)..................................           1.6          0.64
------------------------------------------------------------------------


In cases when POTWs find it necessary to impose mass limitations, the 
following equivalent mass limitations are provided as an alternate: The 
limitations for Copper (T), Lead(T) and Nickel (T) are the same as 
specified in Sec. 415.62(b).