[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: 40CFR415.124]

[Page 261]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 415-INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
 
      Subpart L-Potassium Dichromate Production Subcategory
 
Sec. 415.124  Pretreatment standards for existing sources (PSES).

    Except as provided in 40 CFR 403.7 and 403.13, any existing source 
subject to this subpart 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 L-Potassium Dichromate
------------------------------------------------------------------------
                                                   PSES limitations
                                             ---------------------------
                                                             Average of
       Pollutant or pollutant property                      daily values
                                               Maximum for     for 30
                                                any 1 day    consecutive
                                                                days
------------------------------------------------------------------------
                                               Milligrams per liter (mg/
                                                          l)
                                             ---------------

Hexavalent chromium.........................          0.25         0.090
Total chromium..............................          3.0          1.0
------------------------------------------------------------------------