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 zinc process wastewater introduced into a POTW shall not exceed the following values:
(a) Subpart H--Zinc Reduction Furnace Wet Air Pollution Control.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of zinc
reduced
--------------Cadmium....................................... .334 .134Zinc.......................................... 1.702 .701------------------------------------------------------------------------
(b) Subpart H--Preleach of Zinc Concentrates.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
concentrate leached
--------------Cadmium....................................... .180 .072Zinc.......................................... .919 .378------------------------------------------------------------------------
(c) Subpart H--Leaching Wet Air Pollution Control.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of zinc
processed through
leaching
--------------Cadmium....................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------
(d) Subpart H--Electrolyte Bleed Wastewater.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
cathode zinc produced
--------------Cadmium....................................... .086 .035Zinc.......................................... .441 .182------------------------------------------------------------------------
(e) Subpart H--Cathode and Anode Wash Wastewater.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
cathode zinc produced
--------------Cadmium....................................... .150 .060Zinc.......................................... .766 .315------------------------------------------------------------------------
(f) Subpart H--Casting Wet Air Pollution Control.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of zinc
cast
--------------Cadmium....................................... .051 .021Zinc.......................................... .262 .108------------------------------------------------------------------------
(g) Subpart H--Casting Contact Cooling.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of zinc
cast
--------------Cadmium....................................... .036 .014Zinc.......................................... .185 .076------------------------------------------------------------------------
(h) Subpart H--Cadmium Plant Wastewater.
PSES------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
cadmium produced
--------------Cadmium....................................... 1.234 .494Zinc.......................................... 6.295 2.592------------------------------------------------------------------------