Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Raw Material Dust Control.
NSPS for the Primary Nickel and Cobalt Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
copper, nickel, and
cobalt in the crushed
raw material
--------------Copper........................................ 0.099 0.047Nickel........................................ 0.042 0.028Ammonia (as N)................................ 10.260 4.512Cobalt........................................ 0.011 0.005Total suspended solids........................ 1.155 0.924pH............................................ \1\ \1\------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(b) Nickel wash water.
NSPS for the Primary Nickel and Cobalt Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
nickel powder washed
--------------Copper........................................ 0.043 0.021Nickel........................................ 0.019 0.013Ammonia (as N)................................ 4.515 1.985Cobalt........................................ 0.005 0.002Total suspended solids........................ 0.508 0.406pH............................................ \1\ \1\------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(c) Nickel reduction decant.
NSPS for the Primary Nickel and Cobalt Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
nickel produced
--------------Copper........................................ 16.250 7.744Nickel........................................ 6.982 4.697Ammonia (as N)................................ 1,692.000 743.900Cobalt........................................ 1.777 0.889Total suspended solids........................ 190.400 152.300pH............................................ \1\ \1\------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(d) Cobalt reduction decant.
NSPS for the Primary Nickel and Cobalt Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
cobalt produced
--------------Copper........................................ 27.390 13.050Nickel........................................ 11.770 7.917Ammonia (as N)................................ 2,852.000 1,254.000Cobalt........................................ 2.996 1.498Total suspended solids........................ 321.000 256.800pH............................................ \1\ \1\------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times. Sec. 421.235 [Reserved]