Code of Federal Regulations · Section

§ 421.185 — Pretreatment Standards For Existing Sources

40 C.F.R. § 421.185

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Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources. The mass of wastewater pollutants in primary and secondary germanium and gallium process wastewater introduced into a POTW must not exceed the following values:

(a) Still liquor.

PSES for the Primary and Secondary Germanium and Gallium Subcategory

(b) Chlorinator wet air pollution control.

PSES for the Primary and Secondary Germanium and Gallium Subcategory

(c) Germanium hydrolysis filtrate.

PSES for the Primary and Secondary Germanium and Gallium Subcategory

(d) Acid wash and rinse water.

PSES for the Primary and Secondary Germanium and Gallium Subcategory

(e) Gallium hydrolysis filtrate.

PSES for the Primary and Secondary Germanium and Gallium Subcategory

(f) Solvent extraction raffinate.

PSES for the Primary and Secondary Germanium and Gallium Subcategory

40 C.F.R. § 421.184 40 C.F.R. § 421.186

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