Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Subpart C--Scrap Drying Wet Air Pollution Control.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average.------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum scrap dried
--------------Lead.......................................... .000 .000Zinc.......................................... .000 .000Aluminum...................................... .000 .000Ammonia (as N)................................ .000 .000Total suspended solids........................ .000 .000Oil and grease................................ .000 .000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times
(b) Subpart C--Scrap Screening and Milling.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum scrap screened
and milled
--------------Lead.......................................... .000 .000Zinc.......................................... .000 .000Aluminum...................................... .000 .000Ammonia (as N)................................ .000 .000Total suspended solids........................ .000 .000Oil and grease................................ .000 .000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
(c) Subpart C--Dross Washing.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of dross
washed
--------------Lead.......................................... .000 .000Zinc.......................................... .000 .000Aluminum...................................... .000 .000Ammonia (as N)................................ .000 .000Total suspended solids........................ .000 .000Oil and grease................................ .000 .000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
(d) Subpart C--Demagging Wet Air Pollution Control.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (lb/million lbs)
of aluminum demagged
--------------Lead.......................................... 0.216 0.100Zinc.......................................... 0.786 0.324Aluminum...................................... 4.711 2.090Ammonia (as N)................................ 102.800 45.180Total suspended solids........................ 11.570 9.252Oil and grease................................ 7.710 7.710pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
(e) Subpart C--Delacquering Wet Air Pollution Control.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum delacquered
--------------Lead.......................................... 0.093 0.043Zinc.......................................... 0.340 0.140Aluminum...................................... 2.035 0.903Ammonia (as N)................................ 44.389 19.514Total phenolics (4-AAP method) \1\............ 0.004 ...........Total suspended solids........................ 4.995 3.996Oil and grease................................ 3.330 3.330pH............................................ (\2\) (\2\)------------------------------------------------------------------------\1\ At the source.\2\ Within the range of 7.0 to 10.0 at all times.
(f) Subpart C--Direct Chill Casting Contact Cooling.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum cast
--------------Lead.......................................... .372 .173Zinc.......................................... 1.356 .558Aluminum...................................... 8.120 3.602Ammonia (as N)................................ 177.200 77.880Total suspended solids........................ 19.940 15.950Oil and grease................................ 13.290 13.290pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
(g) Subpart C--Ingot Conveyor Casting Contact Cooling (When Chlorine Demagging Wet Air Pollution Control is Not Practiced On-Site).
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (lb/million lbs)
of aluminum cast
--------------Lead.......................................... 0.019 0.009Zinc.......................................... 0.068 0.028Aluminum...................................... 0.409 0.182Ammonia (as N)................................ 8.931 3.926Total suspended solids........................ 1.005 0.804Oil and grease................................ 0.670 0.670pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
(h) Subpart C--Ingot Conveyor Casting Contact Cooling (When Chlorine Demagging Wet Air Pollution Control is Practiced On Site).
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum cast
--------------Lead.......................................... .000 .000Zinc.......................................... .000 .000Aluminum...................................... .000 .000Ammonia (as N)................................ .000 .000Total suspended solids........................ .000 .000Oil and grease................................ .000 .000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\Within the range of 7.0 to 10.0 at all times.
(i) Subpart C--Stationary Casting Contact Cooling.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum cast
--------------Lead.......................................... .000 .000Zinc.......................................... .000 .000Aluminum...................................... .000 .000Ammonia (as N)................................ .000 .000Total suspended solids........................ .000 .000Oil and grease................................ .000 .000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\Within the range of 7.0 to 10.0 at all times.
(j) Subpart C--Shot Casting Contact Cooling.
NSPS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum cast
--------------Lead.......................................... .000 .000Zinc.......................................... .000 .000Aluminum...................................... .000 .000Ammonia (as N)................................ .000 .000Total suspended solids........................ .000 .000Oil and grease................................ .000 .000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times. [49 FR 8796, Mar. 8, 1984, as amended at 49 FR 29794, July 24, 1984; 52 FR 25559, July 7, 1987]