[Code of Federal Regulations]
[Title 40, Volume 28]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR471.62]

[Page 753-755]
 
                   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 F_Titanium Forming Subcategory
 
Sec. 471.62  Effluent limitations representing the degree of effluent 

reduction attainable by the application of the best available technology 
economically achievable (BAT).

    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 available technology economically achievable 
(BAT):
    (a) Rolling spent neat oils--Subpart F--BAT. There shall be no 
discharge of process wastewater pollutants.
    (b) Rolling contact cooling water.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                 titanium rolled with
                                                 contact cooling water
                                             ---------------
Cyanide.....................................         0.142         0.059
Lead........................................         0.205         0.098
Zinc........................................         0.713         0.298
Ammonia.....................................        65.1          28.6
Fluoride....................................        29.1          12.90
------------------------------------------------------------------------

    (c) Drawing spent neat oils--Subpart F--BAT. There shall be no 
discharge of process wastewater pollutants.
    (d) Extrusion spent neat oils--Subpart F--BAT. There shall be no 
discharge of process wastewater pollutants.
    (e) Extrusion spent lubricants.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                   titanium extruded
                                             ---------------
Cyanide.....................................         0.021         0.009
Lead........................................         0.030         0.015
Zinc........................................         0.105         0.044
Ammonia.....................................         9.59          4.22
Fluoride....................................         4.28          1.90
------------------------------------------------------------------------

    (f) Extrusion press hydraulic fluid leakage.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                   titanium extruded
                                             ---------------
Cyanide.....................................         0.052         0.022
Lead........................................         0.075         0.036
Zinc........................................         0.260         0.109
Ammonia.....................................        23.7          10.5
Fluoride....................................        10.6           4.70
------------------------------------------------------------------------

    (g) Forging spent lubricants--Subpart F--BAT. There shall be no 
discharge of process wastewater pollutants.
    (h) Forging contact cooling water.

[[Page 754]]



                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                forged titanium cooled
                                                      with water
                                             ---------------
Cyanide.....................................         0.029         0.012
Lead........................................         0.042         0.020
Zinc........................................         0.146         0.061
Ammonia.....................................        13.3           5.86
Fluoride....................................         5.95          2.64
------------------------------------------------------------------------

    (i) Forging equipment cleaning wastewater.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                titanium forged cyanide
                                             ---------------
Cyanide.....................................         0.012         0.005
Lead........................................         0.017         0.008
Zinc........................................         0.059         0.025
Ammonia.....................................         5.33          2.35
Fluoride....................................         2.38          1.06
------------------------------------------------------------------------

    (j) Forging press hydraulic fluid leakage.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                    titanium forged
                                             ---------------
Cyanide.....................................         0.293         0.121
Lead........................................         0.424         0.202
Zinc........................................         1.48          0.616
Ammonia.....................................       135            59.2
Fluoride....................................        60.1          26.7
------------------------------------------------------------------------

    (k) Tube reducing spent lubricants--Subpart F--BAT. There shall be 
no discharge of process wastewater pollutants.
    (l) Heat treatment contact cooling water--Subpart F--BAT. There 
shall be no discharge allowance for process wastewater pollutants.
    (m) Surface treatment spent baths.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               titanium surface treated
                                             ---------------
Cyanide.....................................         0.061         0.025
Lead........................................         0.088         0.042
Zinc........................................         0.304         0.127
Ammonia.....................................        27.7          12.2
Fluoride....................................        12.4           5.49
------------------------------------------------------------------------

    (n) Surface treatment rinse.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               titanium surface treated
                                             ---------------
Cyanide.....................................         0.847         0.351
Lead........................................         1.23          0.584
Zinc........................................         4.27          1.78
Ammonia.....................................       389           171
Fluoride....................................       174            77.1
------------------------------------------------------------------------

    (o) Wet air pollutant control scrubber blowdown.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               titanium surface treated
                                                       or forged
                                             ---------------
Cyanide.....................................         0.062         0.026
Lead........................................         0.090         0.043
Zinc........................................         0.313         0.131
Ammonia.....................................        28.5          12.6
Fluoride....................................        12.8           5.68
------------------------------------------------------------------------

    (p) Alkaline cleaning spent baths.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               titanium alkaline cleaned
                                             ---------------
Cyanide.....................................         0.070         0.029
Lead........................................         0.101         0.048
Zinc........................................         0.351         0.147
Ammonia.....................................        32            14.1
Fluoride....................................        14.3           6.34
------------------------------------------------------------------------

    (q) Akaline cleaning rinse.

[[Page 755]]



                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               titanium alkaline cleaned
                                             ---------------
Cyanide.....................................         0.080         0.033
Lead........................................         0.116         0.055
Zinc........................................         0.403         0.169
Ammonia.....................................        36.8          16.2
Fluoride....................................        16.4           7.29
------------------------------------------------------------------------

    (r) Molten salt rinse.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                 titanium treated with
                                                      molten salt
                                             ---------------
Cyanide.....................................         0.277         0.115
Lead........................................         0.401         0.191
Zinc........................................         1.40          0.583
Ammonia.....................................       128            56
Fluoride....................................        56.8          25.2
------------------------------------------------------------------------

    (s) Tumbling wastewater.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                   titanium tumbled
                                             ---------------
Cyanide.....................................         0.022         0.010
Lead........................................         0.033         0.016
Zinc........................................         0.116         0.048
Ammonia.....................................        11.0           4.60
Fluoride....................................         4.70          2.09
------------------------------------------------------------------------

    (t) Sawing or grinding spent neat oils--Subpart F--BAT. There shall 
be no discharge of process wastewater pollutants.
    (u) Sawing or grinding spent emulsions.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               titanium sawed or ground
                                                    with emulsions
                                             ---------------
Cyanide.....................................         0.053         0.022
Lead........................................         0.077         0.037
Zinc........................................         0.267         0.112
Ammonia.....................................        24.4          10.7
Fluoride....................................        10.9           4.83
------------------------------------------------------------------------

    (v) Sawing or grinding contact cooling water.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) to
                                               titanium sawed or ground
                                              with contact cooling water
                                             ---------------
Cyanide.....................................         0.138         0.057
Lead........................................         0.200         0.095
Zinc........................................         0.695         0.291
Ammonia.....................................        63.5          27.9
Fluoride....................................        28.3          12.6
------------------------------------------------------------------------

    (w) Dye penetrant testing wastewater.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                               titanium tested with dye
                                                   penetrant methods
                                             ---------------
Cyanide.....................................         0.325         0.135
Lead........................................         0.471         0.224
Zinc........................................         1.64          0.683
Ammonia.....................................       149            65.7
Fluoride....................................        66.7          29.6
------------------------------------------------------------------------

    (x) Miscellaneous wastewater sources.

                             Subpart F--BAT
------------------------------------------------------------------------
                                                             Maximum for
       Pollutant or pollutant property         Maximum for     monthly
                                                any 1 day      average
------------------------------------------------------------------------
                                                 mg/off-kg (pounds per
                                                million off-pounds) of
                                                    titanium formed
                                             ---------------
Cyanide.....................................         0.010         0.004
Lead........................................         0.014         0.007
Zinc........................................         0.048         0.020
Ammonia.....................................         4.32          1.90
Fluoride....................................         1.93          0.856
------------------------------------------------------------------------

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

[50 FR 34270, Aug. 23, 1985; 51 FR 2887, Jan. 22, 1986]