[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR430.42]

[Page 143-146]
 
                   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 D--Dissolving Sulfite Subcategory
 
Sec. 430.42  Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology 
          currently available (BPT).

    (a) 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), except that non-continuous dischargers shall not be 
subject to the maximum day and average of 30 consecutive days

[[Page 144]]

limitations but shall be subject to annual average effluent limitations:

                                Subpart D
 [BPT effluent limitations for dissolving sulfite pulp facilities where
                    nitration grade pulp is produced]
------------------------------------------------------------------------
                                    Kg/kkg (or pounds per 1,000 lb) of
                                                 product
                                ----------------------------------------
                                   Continuous dischargers
                                ----------------------------     Non-
Pollutant or pollutant property                 Average of    continuous
                                               daily values  dischargers
                                  Maximum for     for 30       (annual
                                   any 1 day    consecutive    average)
                                                   days
------------------------------------------------------------------------
BOD5...........................         41.4          21.5          12.1
TSS............................         70.65         38.05         20.9
pH.............................        (1)           (1)             (1)
------------------------------------------------------------------------
1 Within the range of 5.0 to 9.0 at all times.


                                Subpart D
 [BPT effluent limitations for dissolving sulfite pulp facilities where
                     viscose grade pulp is produced]
------------------------------------------------------------------------
                                    Kg/kkg (or pounds per 1,000 lb) of
                                                 product
                                ----------------------------------------
                                   Continuous dischargers
                                ----------------------------     Non-
Pollutant or pollutant property                 Average of    continuous
                                               daily values  dischargers
                                  Maximum for     for 30       (annual
                                   any 1 day    consecutive    average)
                                                   days
------------------------------------------------------------------------
BOD5...........................         44.3          23.0          12.9
TSS............................         70.65         38.05         20.9
pH.............................        (1)           (1)             (1)
------------------------------------------------------------------------
1 Within the range of 5.0 to 9.0 at all times.


                                Subpart D
 [BPT effluent limitations for dissolving sulfite pulp facilities where
                   cellophane grade pulp is produced]
------------------------------------------------------------------------
                                     Kg/kkg (or pounds per 1,000 lb) of
                                                  product
                                  --------------------------------------
                                    Continuous dischargers
                                  --------------------------
 Pollutant or pollutant property                 Average of      Non-
                                                   daily      continuous
                                   Maximum for   values for  dischargers
                                    any 1 day        30        (annual
                                                consecutive    average)
                                                    days
------------------------------------------------------------------------
BOD5.............................        48.05        24.95         14.0
TSS..............................        70.65        38.05         20.9
pH...............................          (1)          (1)          (1)
------------------------------------------------------------------------
1 Within the range of 5.0 to 9.0 at all times.


                                Subpart D
 [BPT effluent limitations for dissolving sulfite pulp facilities where
                     acetate grade pulp is produced]
------------------------------------------------------------------------
                                     Kg/kkg (or pounds per 1,000 lb) of
                                                  product
                                  --------------------------------------
                                    Continuous dischargers
                                  --------------------------
 Pollutant or pollutant property                 Average of      Non-
                                                   daily      continuous
                                   Maximum for   values for  dischargers
                                    any 1 day        30        (annual
                                                consecutive    average)
                                                    days
------------------------------------------------------------------------
BOD5.............................       150.80       126.40       114.83
TSS..............................        70.65        38.05         20.9
pH...............................        (\2\)        (\2\)        (\2\)
------------------------------------------------------------------------
1 BOD5 effluent limitations were remanded (Weyerhaeuser Company, et al
  v. Costle, 590 F. 2nd 1011; D.C. Circuit 1978).

[[Page 145]]


\2\ Within the range of 5.0 to 9.0 at all times.

    (b) The following limitations establish the quantity or quality of 
pollutants or pollutant properties, controlled by this section, 
resulting from the use of wet barking operations, which may be 
discharged by a point source subject to the provisions of this subpart. 
These limitations are in addition to the limitations set forth in 
paragraph (a) of this section and shall be calculated using the 
proportion of the mill's total production due to use of logs which are 
subject to such operations. 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:

                                Subpart D
                       [BPT effluent limitations]
------------------------------------------------------------------------
                                   Kg/kkg (or pounds per 1,000 lb) of
                                                 product
                               -----------------------------------------
                                  Continuous dischargers
    Pollutant or pollutant     ----------------------------     Non-
           property                            Average of    continuous
                                              daily values      dis-
                                 Maximum for     for 30       chargers
                                  any 1 day    consecutive     (annual
                                                  days        average)
------------------------------------------------------------------------
BOD5..........................          0.7           0.35          0.2
TSS...........................          0.15          0.1           0.05
pH............................        (1)           (1)           (1)
------------------------------------------------------------------------
1 Within the range of 5.0 to 9.0 at all times.

    (c) The following limitations establish the quantity or quality of 
pollutants or pollutant parameters, controlled by this section, 
resulting from the use of log washing or chip washing operations, which 
may be discharged by a point source subject to the provisions of this 
subpart. These limitations are in addition to the limitations set forth 
in paragraph (a) of this section and shall be calculated using the 
proportion of the mill's total production due to use of logs and/or 
chips which are subject to such operations. Non-continuous dischargers 
shall not be subject to the maximum day and average of 30 consecutive 
days limitations, but shall be subject to the annual average effluent 
limitations:

                                Subpart D
                       [BPT effluent limitations]
------------------------------------------------------------------------
                                     Kg/kkg (or pounds per 1,000 lb) of
                                                  product
                                  --------------------------------------
                                    Continuous dischargers
                                  --------------------------
 Pollutant or pollutant property                 Average of      Non-
                                                   daily      continuous
                                   Maximum for   values for  dischargers
                                    any 1 day        30        (annual
                                                consecutive    average)
                                                    days
------------------------------------------------------------------------
BOD5.............................         0.15          0.1         0.05
TSS..............................         0.15          0.1         0.05
pH...............................          (1)          (1)          (1)
------------------------------------------------------------------------
1 Within the range of 5.0 to 9.0 at all times.

    (d) The following limitations establish the quantity or quality of 
pollutants or pollutant properties, controlled by this section, 
resulting from the use of log flumes or log ponds, which may be 
discharged by a point source subject to the provisions of this subpart. 
These limitations are in addition to the limitations set forth in 
paragraph (a) of this section and shall be calculated

[[Page 146]]

using the proportion of the mill's total production due to use of logs 
which are subject to such operations. Non-continuous dischargers shall 
not be subject to the maximum day and average of 30 consecutive days 
limitations but shall be subject to the annual average effluent 
limitations:

                                Subpart D
                       [BPT effluent limitations]
------------------------------------------------------------------------
                                     Kg/kkg (or pounds per 1,000 lb) of
                                                  product
                                  --------------------------------------
                                    Continuous dischargers
                                  --------------------------
 Pollutant or pollutant property                 Average of      Non-
                                                   daily      continuous
                                   Maximum for   values for  dischargers
                                    any 1 day        30        (annual
                                                consecutive    average)
                                                    days
------------------------------------------------------------------------
BOD5.............................         0.15          0.1         0.05
TSS..............................         0.15          0.1         0.05
pH...............................          (1)          (1)          (1)
------------------------------------------------------------------------
1 Within the range of 5.0 to 9.0 at all times.