[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: 40CFR425.11]

[Page 9]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 425_LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY
--Table of Contents
 
      Subpart A_Hair Pulp, Chrome Tan, Retan-Wet Finish Subcategory
 
Sec. 425.11  Effluent limitations representing the degree of effluent reduction attainable 
by the application of the best practicable control technology 

          currently available (BPT).

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

------------------------------------------------------------------------
                                                    BPT limitations
                                             ---------------------------
       Pollutant or pollutant property                       Maximum for
                                               Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 Kg/kkg (or pounds per
                                                 1,000 pounds) of raw
                                                       material
                                             ---------------------------
BOD5........................................          9.3           4.2
TSS.........................................         13.4           6.1
Oil & Grease................................          3.9           1.7
Total Chromium..............................          0.24          0.09
pH..........................................      (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0


[53 FR 9182, Mar. 21, 1988]