[Code of Federal Regulations]
[Title 40, Volume 29]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR429.85]

[Page 93]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 429_TIMBER PRODUCTS PROCESSING POINT SOURCE CATEGORY
--Table of Contents
 
               Subpart G_Wood Preserving Steam Subcategory
 
Sec. 429.85  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 process wastewater pollutants 
into a publicly owned treatment works must comply with 40 CFR part 403 
and meet the following pretreatment standards for existing sources 
(PSES):

                                Subpart G
                       [PSES Effluent Limitations]
------------------------------------------------------------------------
                                                                Maximum
                                                               for any 1
               Pollutant or pollutant property                  day (mg/
                                                                   l)
------------------------------------------------------------------------
Oil and grease...............................................        100
Copper.......................................................          5
Chromium.....................................................          4
Arsenic......................................................          4
------------------------------------------------------------------------


In cases where POTWs find it necessary to impose mass limitations, the 
following equivalent mass limitations are provided as guidance.

                  [Grams per cubic meter of production]
------------------------------------------------------------------------
                                                         Maximum for any
            Pollutant or pollutant property                   1 day
------------------------------------------------------------------------
Oil and grease.........................................             20.5
Copper.................................................              .62
Chromium...............................................              .41
Arsenic................................................              .41
------------------------------------------------------------------------