§ 421.186 - Pretreatment standards for new sources.  


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  • § 421.186 Pretreatment standards for new sources.

    Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary and secondary germanium and gallium process wastewater introduced into a POTW shall not exceed the following values:

    (a) Still Liquor.

    PSNS for the Primary and Secondary Germanium and Gallium Subcategory

    Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
    mg/kg (pounds per/million pounds of germanium chlorinated
    Arsenic 131.70 58.59
    Lead 26.46 12.60
    Zinc 91.98 38.43
    Fluoride 2,205.00 1,254.00

    (b) Chlorinator Wet Air Pollution Control.

    PSNS for the Primary and Secondary Germanium and Gallium Subcategory

    Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
    mg/kg (pounds per/million pounds of germanium chlorinated
    Arsenic 27.530 12.250
    Lead 5.531 2.634
    Zinc 19.230 8.034
    Fluoride 461.000 262.100

    (c) Germanium Hydrolysis Filtrate.

    PSNS for the Primary and Secondary Germanium and Gallium Subcategory

    Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
    mg/kg (pounds per/million pounds of germanium hydrolyzed
    Arsenic 39.440 17.550
    Lead 7.925 3.774
    Zinc 27.550 11.510
    Fluoride 660.500 375.500

    (d) Acid Wash and Rinse Water.

    PSNS for the Primary and Secondary Germanium and Gallium Subcategory

    Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
    mg/kg (pounds per/million pounds of germanium washed
    Arsenic 325.50 144.80
    Lead 65.40 31.14
    Zinc 227.40 94.99
    Fluoride 5,450.00 3,099.00

    (e) Gallium Hydrolysis Filtrate.

    PSNS for the Primary and Secondary Germanium and Gallium Subcategory

    Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
    mg/kg (pounds per million pounds) of gallium hydrolyzed
    Arsenic 70.450 31.350
    Lead 14.160 6.742
    Zinc 49.220 20.560
    Fluoride 1,180.000 670.800

    (f) Solvent Extraction Raffinate.

    PSNS for the Primary and Secondary Germanium and Gallium Subcategory

    Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
    mg/kg (pounds per million pounds) of gallium produced by solvent extraction
    Arsenic 39.330 17.500
    Lead 7.904 3.764
    Zinc 27.480 11.480
    Fluoride 658.700 374.500