Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards: (a) Displacement Supernatant. NSPS for the Secondary Indium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of indium metal produced Cadmium 2.105 0.929 Lead 2.600 1.238 Zinc 9.037 3.776 Indium 2.724 1.114 Total suspended solids 253.800 120.700 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (b) Spent Electrolyte. NSPS for the Secondary Indium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode indium produced Cadmium 12.170 5.370 Lead 15.040 7.160 Zinc 52.270 21.840 Indium 15.750 6.444 Total suspended solids 1,468.000 698.100 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times.