Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Slag reclaim tailings.
NSPS for the Secondary Nickel Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of slag
input to reclaim process
--------------Chromium (total).............................. 5.653 2.313Copper........................................ 24.410 12.850Nickel........................................ 24.670 16.320Total suspended solids........................ 526.800 250.500pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(b) Acid reclaim leaching filtrate.
NSPS for the Secondary Nickel Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of acid
reclaim nickel produced
--------------Chromium (total).............................. 2.198 0.899Copper........................................ 9.491 4.995Nickel........................................ 9.590 6.344Total suspended solids........................ 204.800 97.400pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(c) Acid reclaim leaching belt filter backwash.
NSPS for the Secondary Nickel Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of acid
reclaim nickel produced
--------------Chromium (total).............................. 0.528 0.216Copper........................................ 2.278 1.199Nickel........................................ 2.302 1.523Total suspended solids........................ 49.160 23.380pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.