[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: 40CFR437.31]

[Page 368-369]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 437_THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY
--Table of Contents
 
                Subpart C_Organics Treatment and Recovery
 
Sec. 437.31  Effluent limitations attainable by the application of the best practicable
control technology currently available (BPT).

    Except as provided in 40 CFR 125.30 through 125.32 or Sec. 
437.30(b), any existing point source subject to this subpart must 
achieve the following effluent limitations representing the application 
of BPT:

                             BPT Limitations
------------------------------------------------------------------------
                                                               Maximum
            Regulated  parameter                 Maximum    monthly avg.
                                                daily \1\        \1\
------------------------------------------------------------------------
                          Conventional Parameters
------------------------------------------------------------------------
BOD5........................................      163            53.0
pH..........................................    (\2\)         (\2\)
TSS.........................................      216            61.3
------------------------------------------------------------------------

[[Page 369]]


                             Metal Parameters
------------------------------------------------------------------------
Copper......................................        0.865         0.757
Zinc........................................        0.497         0.420
------------------------------------------------------------------------
                            Organic Parameters
------------------------------------------------------------------------
 Acetone....................................       30.2           7.97
 Acetophenone...............................        0.114         0.0562
 2-Butanone.................................        4.81          1.85
 o-Cresol...................................        1.92          0.561
 p-Cresol...................................        0.698         0.205
 Phenol.....................................        3.65          1.08
 Pyridine...................................        0.370         0.182
 2,4,6-Trichlorophenol......................        0.155         0.106
------------------------------------------------------------------------
\1\ mg/L (ppm).
\2\ Within the range 6 to 9.


[65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71023, Dec. 22, 2003]