[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: 40CFR405.42]

[Page 61-62]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 405-DAIRY PRODUCTS PROCESSING POINT SOURCE CATEGORY--Table of Contents
 
                   Subpart D-Butter Subcategory
 
Sec. 405.42  Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control 
          technology currently available.

    Except as provided in Sec.Sec. 125.30 through 
125.32, any existing point source subject to this subpart shall achieve 
the following effluent limitations representing the degree of effluent 
reduction attainable by the application of the best practicable control 
technology currently available (BPT):
    (a) For plants processing more than 175,000 lb/day of milk 
equivalent (more than 18,180 lb/day of BOD5 input).

------------------------------------------------------------------------
                                             Effluent limitations
                                     -----------------------------------
                                                     Average of daily
       Effluent characteristic          Maximum        values for 30
                                       for any 1  consecutive days shall
                                          day       not exceed-
                                                         
------------------------------------------------------------------------
                                       Metric units (kilograms per 1,000
                                               kg of BOD5 input)
                                     -------------
BOD5................................       1.375                0.550
TSS.................................       2.063                 .825

[[Page 62]]


pH..................................       (\1\)                (\1\)
                                     -------------
                                       English units (pounds per 100 lb
                                                of BOD5 input)
                                     -------------
BOD5................................       0.138                0.055
TSS.................................       0.206                 .083
pH..................................       (\1\)                (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

    (b) For plants processing 175,000 lb/day or less of milk equivalent 
(less than 18,180 lb/day of BOD5 input).

------------------------------------------------------------------------
                                             Effluent limitations
                                     -----------------------------------
                                                     Average of daily
       Effluent characteristic          Maximum        values for 30
                                       for any 1  consecutive days shall
                                          day       not exceed-
                                                         
------------------------------------------------------------------------
                                       Metric units (kilograms per 1,000
                                               kg of BOD5 input)
                                     -------------
BOD5................................       1.825                0.913
TSS.................................       2.738                1.369
pH..................................       (\1\)                (\1\)
                                     -------------
                                       English units (pounds per 100 lb
                                                of BOD5 input)
                                     -------------
BOD5................................       0.183                0.091
TSS.................................        .274                 .137
pH..................................       (\1\)                (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.



[39 FR 18597, May 28, 1974, as amended at 60 FR 33933, June 29, 1995]