[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR471.53]

[Page 744-747]
 
                   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 E--Refractory Metals Forming Subcategory
 
Sec. 471.53  New source performance standards (NSPS).

    Any new source subject to this subpart must achieve the following 
new source performance standards (NSPS):
    (a) Rolling spent neat oils and graphite based lubricants--Subpart 
E--NSPS. There shall be no discharge of process wastewater pollutants.
    (b) Rolling spent emulsions.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals rolled
                                                    with emulsions
                                             ---------------
Copper......................................         0.549         0.262
Nickel......................................         0.236         0.159
Fluoride....................................        25.5          11.3
Molybdenum..................................         2.16          0.957
Oil and grease..............................         4.29          4.29
TSS.........................................         6.44          5.15
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (c) Drawing spent lubricants.--Subpart E--NSPS. There shall be no 
discharge of process wastewater pollutants.
    (d) Extrusion spent lubricants.--Subpart E--NSPS. There shall be no 
discharge of process wastewater pollutants.
    (e) Extrusion press hydraulic fluid leakage.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                              refractory metals extruded
                                             ---------------
Copper......................................         1.53          0.726
Nickel......................................         0.655         0.441
Fluoride....................................        70.8          31.4
Molybdenum..................................         5.99          2.66
Oil and grease..............................        11.9          11.9
TSS.........................................        17.9          14.3
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (f) Forging spent lubricants--Subpart E--NSPS. There shall be no 
discharge of process wastewater pollutants.
    (g) Forging contact cooling water.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               forged refractory metals
                                                   cooled with water
                                             ---------------
Copper......................................         0.041         0.020
Nickel......................................         0.018         0.012
Fluoride....................................         1.92          0.853
Molybdenum..................................         0.163         0.072
Oil and grease..............................         0.323         0.323
TSS.........................................         0.485         0.388
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (h) Equipment cleaning wastewater.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals formed
                                             ---------------
Copper......................................         0.174         0.083
Nickel......................................         0.075         0.051
Fluoride....................................         8.09          3.59
Molybdenum..................................         0.684         0.303
Oil and grease..............................         1.36          1.36
TSS.........................................         2.04          1.63
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (i) Metal powder production wastewater.

[[Page 745]]



                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals powder
                                                       produced
                                             ---------------
Copper......................................         0.360         0.172
Nickel......................................         0.155         0.104
Fluoride....................................        16.7           7.42
Molybdenum..................................         1.42          0.627
Oil and grease..............................         2.81          2.81
TSS.........................................         4.22          3.37
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (j) Metal powder production floor wash wastewater--Subpart E--NSPS. 
There shall be no discharge of process wastewater pollutants.
    (k) Metal powder pressing spent lubricants--Subpart E--NSPS. There 
shall be no discharge of process wastewater pollutants.
    (l) Surface treatment spent baths.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals surface
                                                        treated
                                             ---------------
Copper......................................         0.498         0.237
Nickel......................................         0.214         0.144
Fluoride....................................        23.2          10.3
Molybdenum..................................         1.96          0.868
Oil and grease..............................         3.89          3.89
TSS.........................................         5.84          4.67
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (m) Surface treatment rinse.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals surface
                                                        treated
                                             ---------------
Copper......................................        15.5           7.38
Nickel......................................         6.66          4.48
Fluoride....................................       720           320
Molybdenum..................................        69.9          27.0
Oil and grease..............................       121           121
TSS.........................................       182           145
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (n) Alkaline cleaning spent baths.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                              refractory metals alkaline
                                                        cleaned
                                             ---------------
Copper......................................         0.428         0.204
Nickel......................................          .184         0.124
Fluoride....................................        19.9           8.82
Molybdenum..................................         1.68          0.745
Oil and grease..............................         3.34          3.34
TSS.........................................         5.01          4.01
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (o) Alkaline cleaning rinse.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                              refractory metals alkaline
                                                        cleaned
                                             ---------------
Copper......................................        10.5           4.98
Nickel......................................         4.49          3.02
Fluoride....................................       486           216
Molybdenum..................................        41.1          18.2
Oil and grease..............................        81.6          81.6
TSS.........................................       123            97.9
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (p) Molten salt rinse.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals treated
                                                   with molten salt
                                             ---------------
Copper......................................         0.810         0.386
Nickel......................................         0.348         0.234
Fluoride....................................        37.7          16.7
Molybdenum..................................         3.19          1.41
Oil and grease..............................         6.33          6.33
TSS.........................................         9.5           7.6
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (q) Tumbling or burnishing wastewater.

[[Page 746]]



                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals tumbled
                                                     or burnished
                                             ---------------
Copper......................................         1.60          0.763
Nickel......................................         0.688         0.463
Fluoride....................................        74.4          33.0
Molybdenum..................................         6.29          2.79
Oil and grease..............................        12.5          12.5
TSS.........................................        18.8          15.0
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (r) Sawing or grinding spent neat oils--Subpart E--NSPS. There shall 
be no discharge of process wastewater pollutants.
    (s) Sawing or grinding spent emulsions.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                              refractory metals sawed or
                                                 ground with emulsions
                                             ---------------
Copper......................................         0.380         0.181
Nickel......................................         0.164         0.110
Fluoride....................................        17.7           7.84
Molybdenum..................................         1.5           0.663
Oil and grease..............................         2.97          2.97
TSS.........................................         4.46          3.57
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (t) Sawing or grinding contact cooling water.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                              refractory metals sawed or
                                                  ground with contact
                                                     cooling water
                                             ---------------
Copper......................................         3.11          1.48
Nickel......................................         1.34          0.899
Fluoride....................................       145            64.2
Molybdenum..................................        12.2           5.42
Oil and grease..............................        24.3          24.3
TSS.........................................        36.5          29.2
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (u) Sawing or grinding rinse.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                              sawed or ground refractory
                                                     metals rinsed
                                             ---------------
Copper......................................         0.018         0.009
Nickel......................................         0.008         0.005
Fluoride....................................         0.803         0.357
Molybdenum..................................         0.068         0.030
Oil and grease..............................         0.135         0.135
TSS.........................................         0.203         0.162
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (v) Wet air pollution control scrubber blowdown.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals sawed,
                                               ground, surface coated or
                                                    surface treated
                                             ---------------
Copper......................................         1.01          0.480
Nickel......................................         0.433         0.291
Fluoride....................................        46.8          20.8
Molybdenum..................................         3.96          1.76
Oil and grease..............................         7.87          7.87
TSS.........................................        11.8           9.45
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (w) Miscellaneous wastewater sources.

                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals formed
                                             ---------------
Copper......................................         0.442         0.211
Nickel......................................         0.190         0.128
Fluoride....................................        20.6           9.11
Molybdenum..................................         1.74          0.770
Oil and grease..............................         3.45          3.45
TSS.........................................         5.18          4.14
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (x) Dye penetrant testing wastewater.

[[Page 747]]



                             Subpart E--NSPS
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               refractory metals product
                                                        tested
                                             ---------------
Copper......................................         0.100         0.048
Nickel......................................         0.043         0.029
Fluoride....................................         4.62          2.05
Molybdenum..................................         0.391         0.173
Oil and grease..............................         0.776         0.776
TSS.........................................         1.17          0.931
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

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

[50 FR 34270, Aug. 23, 1985; 51 FR 2886, Jan. 22, 1986]