[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR471.13]

[Page 692-694]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 471--NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY--Table of Contents
 
             Subpart A--Lead-Tin-Bismuth Forming Subcategory
 
Sec. 471.13  New source performance standards (NSPS).

    Any new source subject to this subpart must achieve the following 
new source performance standards. The mass of pollutants in the lead-
tin-bismuth forming operations' process wastewater shall not exceed the 
following values:
    (a) Rolling spent emulsions.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                lead-tin-bismuth rolled
                                                    with emulsions
                                             ---------------
Antimony....................................         0.067         0.030
Lead........................................         0.010         0.005
Oil and grease..............................         0.468         0.281
TSS.........................................         0.960         0.457
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (b) Rolling spent soap solutions.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                lead-tin-bismuth rolled
                                                  with soap solutions
                                             ---------------
Antimony....................................         0.120         0.055
Lead........................................         0.018         0.009
Oil and grease..............................         0.860         0.520
TSS.........................................         1.80          0.840
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (c) Drawing spent neat oils--Subpart A--NSPS. There shall be no 
discharge of process wastewater pollutants.
    (d) Drawing spent emulsions.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                lead-tin-bismuth drawn
                                                    with emulsions
                                             ---------------
Antimony....................................         0.076         0.034
Lead........................................         0.011         0.005
Oil and grease..............................         0.526         0.316
TSS.........................................         1.087         0.513
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (e) Drawing spent soap solutions.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                lead-tin-bismuth drawn
                                                  with soap solutions
                                             ---------------
Antimony....................................         0.022         0.010
Lead........................................         0.003         0.002
Oil and grease..............................         0.149         0.090
TSS.........................................         0.306         0.146
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (f) Extrusion press and solution heat treatment contact cooling 
water.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                 lead-tin-bismuth heat
                                                        treated
                                             ---------------
Antimony....................................         0.414         0.185
Lead........................................         0.061         0.030
Oil and grease..............................         2.80          1.72
TSS.........................................         5.91          2.81
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (g) Extrusion press hydraulic fluid leakage.

[[Page 693]]



                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               lead-tin-bismuth extruded
                                             ---------------
Antimony....................................         0.158         0.071
Lead........................................         0.023         0.011
Oil and grease..............................         1.10          0.660
TSS.........................................         2.26          1.07
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (h) Continuous strip casting contact cooling water.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               lead-tin-bismuth cast by
                                                 the continuous strip
                                                        method
                                             ---------------
Antimony....................................        0.003         0.001
Lead........................................        0.0004        0.0002
Oil and grease..............................        0.020         0.012
TSS.........................................        0.041         0.020
pH..........................................  ............    (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (i) Semi-continuous ingot casting contact cooling water.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                lead-tin-bismuth ingot
                                                   cast by the semi-
                                                   continuous method
                                             ---------------
Antimony....................................         0.009        0.004
Lead........................................         0.001        0.0006
Oil and grease..............................         0.059        0.036
TSS.........................................         0.121        0.058
pH..........................................  ............    (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (j) Shot casting contact cooling water.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                              lead-tin-bismuth shot cast
                                             ---------------
Antimony....................................         0.107         0.048
Lead........................................         0.016         0.008
Oil and grease..............................         0.746         0.448
TSS.........................................         1.53          0.728
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (k) Shot-forming wet air pollution control scrubber blowdown.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                 lead-tin-bismuth shot
                                                        formed
                                             ---------------
Antimony....................................         0.169         0.076
Lead........................................         0.025         0.012
Oil and grease..............................         1.18          0.706
TSS.........................................         2.41          1.15
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (l) Alkaline cleaning spent baths.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               lead-tin-bismuth alkaline
                                                        cleaned
                                             ---------------
Antimony....................................         0.345         0.154
Lead........................................         0.051         0.024
Oil and grease..............................         2.40          1.44
TSS.........................................         4.92          2.34
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (m) Alkaline cleaning rinse.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               lead-tin-bismuth alkaline
                                                        cleaned
                                             ---------------
Antimony....................................         0.678         0.302
Lead........................................         0.099         0.047
Oil and grease..............................         4.72          2.84
TSS.........................................         9.68          4.60
pH..........................................  ............     (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


[[Page 694]]

    (n) Swaging spent emulsions.

                             Subpart A--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                lead-tin-bismuth swaged
                                                     with emulsion
                                             ---------------
Antimony....................................        0.005         0.002
Lead........................................        0.0008        0.0004
Oil and grease..............................        0.036         0.022
TSS.........................................        0.073         0.035
pH..........................................  ............    (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (o) Degreasing spent solvents--Subpart A--NSPS. There shall be no 
discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]