[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: 40CFR430.33]

[Page 137-138]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 430_THE PULP, PAPER, AND PAPERBOARD POINT SOURCE CATEGORY
--Table of Contents
 
                 Subpart C_Unbleached Kraft Subcategory
 
Sec. 430.33  Effluent limitations guidelines representing the degree of effluent
reduction attainable by the application of the best conventional pollutant 
          control technology (BCT).

    Except as provided in 40 CFR 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 conventional pollutant control 
technology (BCT), except that non-continuous dischargers shall not be 
subject to the maximum day and average-of-30-consecutive-days 
limitations, but shall be subject to annual average effluent 
limitations:

[[Page 138]]



                                Subpart C
       [BCT effluent limitations for unbleached kraft facilities]
------------------------------------------------------------------------
                                     Kg/kkg (or pounds per 1,000 lb) of
                                                  product
                                  --------------------------------------
                                                     Non-continuous
                                                   dischargers (annual
                                                        average)
 Pollutant or pollutant property               -------------------------
                                    Continuous                Average of
                                   dischargers                  daily
                                                Maximum for   values for
                                                 any 1 day        30
                                                             consecutive
                                                                 days
------------------------------------------------------------------------
BOD5.............................          5.6          2.8          1.9
TSS..............................         12.0          6.0          3.6
pH...............................        (\1\)        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0 at all times.


                                Subpart C
  [BCT effluent limitations for unbleached kraft-neutral sulfite semi-
chemical (cross recovery) process and/or a combined unbleached kraft and
semi-chemical process, wherein the spent semi-chemical cooking liquor is
      burned within the unbleached kraft chemical recovery system]
------------------------------------------------------------------------
                                    Kg/kkg (or pounds per 1,000 lb) of
                                                 product
                                ----------------------------------------
                                   Continuous dischargers
                                ---------------------------     Non-
Pollutant or pollutant property                Average of    continuous
                                              daily values      dis-
                                 Maximum for     for 30       chargers
                                  any 1 day    consecutive     (annual
                                                  days        average)
------------------------------------------------------------------------
BOD5...........................          8.0          4.0           2.9
TSS............................         12.5          6.25          3.57
pH.............................        (\1\)      (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0 at all times.