Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Sodium Antimonate Autoclave Wastewater.
NSPS for the Primary Antimony Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
antimony contained in
sodium antimonate
product
--------------Antimony...................................... 30.150 13.440Arsenic....................................... 21.720 9.687Mercury....................................... 2.344 0.937Total suspended solids........................ 234.400 187.500pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(b) Fouled Anolyte.
NSPS for the Primary Antimony Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
antimony metal produced
by electrowinning
--------------Antimony...................................... 30.150 13.440Arsenic....................................... 21.720 9.687Mercury....................................... 2.344 0.937Total suspended solids........................ 234.400 187.500pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(c) Cathode Antimony Wash Water.
NSPS for the Primary Antimony Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
antimony metal produced
by electrowinning
--------------Antimony...................................... 60.310 26.870Arsenic....................................... 43.430 19.370Mercury....................................... 4.687 1.875Total suspended solids........................ 468.700 375.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times. Sec. 421.145 [Reserved]