Standards of performance for new sources.

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 Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of antimony contained in sodium antimonate product Antimony 30.150 13.440 Arsenic 21.720 9.687 Mercury 2.344 0.937 Total suspended solids 234.400 187.500 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (b) Fouled Anolyte. NSPS for the Primary Antimony Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of antimony metal produced by electrowinning Antimony 30.150 13.440 Arsenic 21.720 9.687 Mercury 2.344 0.937 Total suspended solids 234.400 187.500 pH ( 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 Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of antimony metal produced by electrowinning Antimony 60.310 26.870 Arsenic 43.430 19.370 Mercury 4.687 1.875 Total suspended solids 468.700 375.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times.