[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: 40CFR437.46]

[Page 376-378]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 437_THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY
--Table of Contents
 
                     Subpart D_Multiple Wastestreams
 
Sec. 437.46  Pretreatment standards for existing sources (PSES)

    (a) Except as provided in 40 CFR 403.7, 403.13 or 437.40(b), any new 
source subject to this subpart which combines treated or untreated 
wastes from subparts A, B, or C of this part may be subject to Multiple 
Wastestream Subcategory pretreatment standards representing the 
application of PSES set forth in paragraphs (b), (c), (d), or (e) of 
this section if the discharger agrees to the following conditions in its 
permit:
    (1) The discharger will meet the applicable Multiple Wastestream
    Subcategory standards set forth in paragraphs (b), (c), (d) or (e) 
of this section;
    (2) The discharger will notify its local control authority of its 
desire to be subject to the Multiple Waste Subcategory by submitting to 
the local

[[Page 377]]

control authority an initial certification statement as described in 
Sec. 437.41(a);
    (3) The discharger will submit to its local control authority a 
periodic certification statement as described in Sec. 437.41(b) once a 
year; and
    (4) The discharger will maintain at the office of the facility and 
make available for inspection the on-site compliance paperwork as 
described in Sec. 437.41(c).
    (b) Combined waste receipts from subparts A, B and C of this part. 
(1) As provided in Sec. 437.46(a), and no later than [Insert date--
three years after publication], any existing source subject to this 
paragraph must achieve the following pretreatment standards:

                      Pretreatment Standards (PSES)
------------------------------------------------------------------------
                                                               Maximum
            Regulated  parameter                 Maximum    monthly avg.
                                                daily \1\        \1\
------------------------------------------------------------------------
                            Metal Parameters
------------------------------------------------------------------------
Antimony....................................       0.249        0.206
Arsenic.....................................       0.162        0.104
Cadmium.....................................       0.474        0.0962
Chromium....................................       0.947        0.487
Cobalt......................................       0.192        0.124
Copper......................................       0.405        0.301
Lead........................................       0.222        0.172
Mercury.....................................       0.00234      0.000739
Nickel......................................       3.95         1.45
Silver......................................       0.120        0.0351
Tin.........................................       0.409        0.120
Titanium....................................       0.0947       0.0618
Vanadium....................................       0.218        0.0662
Zinc........................................       2.87         0.641
------------------------------------------------------------------------
                           Organic Parameters
------------------------------------------------------------------------
Bis(2-ethylhexyl) phthalate.................       0.267        0.158
Carbazole...................................       0.392        0.233
o-Cresol....................................       1.92         0.561
p-Cresol....................................       0.698        0.205
n-Decane....................................       5.79         3.31
Fluoranthene................................       0.787        0.393
n-Octadecane................................       1.22         0.925
2,4,6-Trichlorophenol.......................       0.155        0.106
------------------------------------------------------------------------
\1\ mg/L (ppm).

    (2) The following in-plant limitations apply to metal-bearing 
wastewater containing cyanide:

                          In-Plant Limitations
------------------------------------------------------------------------
                                                               Maximum
             Regulated  parameter                 Maximum      monthly
                                                 daily \1\     avg. \1\
------------------------------------------------------------------------
Cyanide.......................................          500         178
------------------------------------------------------------------------
\1\ mg/L (ppm).

    (c) Combined waste receipts from subparts A and B of this part. (1) 
As provided in Sec. 437.46(a), and no later than December 22, 2003, any 
existing source subject to this paragraph must achieve the following 
pretreatment standards:

                      Pretreatment Standards (PSES)
------------------------------------------------------------------------
                                                               Maximum
            Regulated  parameter                 Maximum    monthly avg.
                                                daily \1\        \1\
------------------------------------------------------------------------
                            Metal Parameters
------------------------------------------------------------------------
Antimony....................................       0.249        0.206
Arsenic.....................................       0.162        0.104
Cadmium.....................................       0.474        0.0962
Chromium....................................       0.947        0.487
Cobalt......................................       0.192        0.124
Copper......................................       0.405        0.301
Lead........................................       0.222        0.172
Mercury.....................................       0.00234      0.000739
Nickel......................................       3.95         1.45
Silver......................................       0.120        0.0351
Tin.........................................       0.409        0.120
Titanium....................................       0.0947       0.0618
Vanadium....................................       0.218        0.0662
Zinc........................................       2.87         0.641
------------------------------------------------------------------------
                           Organic Parameters
------------------------------------------------------------------------
Bis(2-ethylhexyl) phthalate.................       0.267        0.158
Carbazole...................................       0.392        0.233
n-Decane....................................       5.79         3.31
Fluoranthene................................       0.787        0.393
n-Octadecane................................       1.22         0.925
------------------------------------------------------------------------
\1\ mg/L (ppm).

    (2) The following in-plant limitations apply to metal-bearing 
wastewater containing cyanide:

                          In-Plant Limitations
------------------------------------------------------------------------
                                                               Maximum
             Regulated  parameter                 Maximum      monthly
                                                 daily \1\     avg. \1\
------------------------------------------------------------------------
Cyanide.......................................          500         178
------------------------------------------------------------------------
\1\ mg/L (ppm).

    (d) Combined waste receipts from subparts A and C of this part. (1) 
As provided in Sec. 437.46(a), and no later than December 22, 2003, any 
existing source subject to this paragraph must achieve the following 
pretreatment standards:

                      Pretreatment Standards (PSES)
------------------------------------------------------------------------
                                                               Maximum
            Regulated  parameter                 Maximum    monthly avg.
                                                daily \1\        \1\
------------------------------------------------------------------------
                            Metal Parameters
------------------------------------------------------------------------
Antimony....................................       0.249        0.206
Arsenic.....................................       0.162        0.104
Cadmium.....................................       0.474        0.0962
Chromium....................................      15.5          3.07
Cobalt......................................       0.192        0.124
Copper......................................       4.14         1.06
Lead........................................       1.32         0.283
Mercury.....................................       0.00234      0.000739

[[Page 378]]


Nickel......................................       3.95         1.45
Silver......................................       0.120        0.0351
Tin.........................................       0.409        0.120
Titanium....................................       0.0947       0.0618
Vanadium....................................       0.218        0.0662
Zinc........................................       2.87         0.641
------------------------------------------------------------------------
                           Organic Parameters
------------------------------------------------------------------------
o-Cresol....................................       1.92         0.561
p-Cresol....................................       0.698        0.205
2,4,6-Trichlorophenol.......................       0.155        0.106
------------------------------------------------------------------------
\1\ mg/L (ppm).

    (2) The following in-plant limitations apply to metal-bearing 
wastewater containing cyanide:

                          In-Plant Limitations
------------------------------------------------------------------------
                                                               Maximum
             Regulated  parameter                 Maximum      monthly
                                                 daily \1\     avg. \1\
------------------------------------------------------------------------
Cyanide.......................................          500         178
------------------------------------------------------------------------
\1\ mg/L (ppm).

    (e) Combined waste receipts from subparts B and C of this part. As 
provided in Sec. 437.46(a), and no later than December 22, 2003, any 
existing source subject to this paragraph must achieve the following 
pretreatment standards:

                      Pretreatment Standards (PSES)
------------------------------------------------------------------------
                                                               Maximum
            Regulated  parameter                 Maximum    monthly avg.
                                                daily \1\        \1\
------------------------------------------------------------------------
                            Metal Parameters
------------------------------------------------------------------------
Chromium....................................        0.947         0.487
Cobalt......................................       56.4          18.8
Copper......................................        0.405         0.301
Lead........................................        0.222         0.172
Tin.........................................        0.249         0.146
Zinc........................................        6.95          4.46
------------------------------------------------------------------------
                           Organic Parameters
------------------------------------------------------------------------
Bis (2-ethylhexyl) phthalate................        0.267         0.158
Carbazole...................................        0.392         0.233
o-Cresol....................................        1.92          0.561
p-Cresol....................................        0.698         0.205
n-Decane....................................        5.79          3.31
Fluoranthene................................        0.787         0.393
n-Octadecane................................        1.22          0.925
2,4,6-Trichlorophenol.......................        0.155         0.106
------------------------------------------------------------------------
\1\ mg/L (ppm).


[65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71025, Dec. 22, 2003]