Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core shall not exceed the values set forth below:
Subpart F
Core ------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (lb/million off-
lbs) of aluminum drawn
with emulsions or soaps
---------------------------Chromium.................................... 0.173 0.070Cyanide..................................... 0.094 0.038Zinc........................................ 0.476 0.196Aluminum.................................... 2.85 1.27Oil and grease.............................. 4.67 4.67Suspended solids............................ 7.00 5.60pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
Subpart F
Continuous Rod Casting Spent Lubricant ------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (lb/million off-
lbs) of aluminum rod cast
---------------------------Chromium.................................... 0.0008 0.0003Cyanide..................................... 0.0004 0.0002Zinc........................................ 0.0020 0.0008Aluminum.................................... 0.012 0.0053Oil and grease.............................. 0.020 0.020Suspended solids............................ 0.030 0.024pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
Subpart F
Continuous Rod Casting Contact Cooling Water ------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (lb/million off-
lbs) of aluminum rod cast
---------------------------
Chromium.................................... 0.072 0.029Cyanide..................................... 0.039 0.016Zinc........................................ 0.198 0.081Aluminum.................................... 1.184 0.526Oil and grease.............................. 1.940 1.940Suspended solids............................ 2.91 2.33pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
Subpart F
Solution Heat Treatment Contact Cooling Water ------------------------------------------------------------------------
NSPS
--------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (lb/million off-
lbs) of aluminum quenched
--------------------------
Chromium..................................... 0.754 0.31Cyanide...................................... 0.408 0.16Zinc......................................... 2.08 0.86Aluminum..................................... 12.450 5.52Oil and grease............................... 20.37 20.37Suspended solids............................. 20.56 24.45pH........................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
Subpart F
Cleaning or Etching Bath ------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (lb/million off-
lbs) of aluminum cleaned
or etched
---------------------------
Chromium.................................... 0.066 0.027Cyanide..................................... 0.036 0.015Zinc........................................ 0.183 0.075Aluminum.................................... 1.094 0.49Oil and grease.............................. 1.79 1.79Suspended solids............................ 2.69 2.15pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
Subpart F
Cleaning or Etching Rinse ------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (lb/million off-
lbs) of aluminum cleaned
or etched
---------------------------
Chromium.................................... 0.515 0.21Cyanide..................................... 0.278 0.11Zinc........................................ 1.42 0.59Aluminum.................................... 8.50 3.77Oil and grease.............................. 13.91 13.91Suspended solids............................ 20.87 16.70pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times.
Subpart F
Cleaning or Etching Scrubber Liquor ------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (lb/million off-
lbs) of aluminum cleaned
or etched
---------------------------Chromium.................................... 0.72 0.290Cyanide..................................... 0.387 0.155Zinc........................................ 1.97 0.812Aluminum.................................... 1.18 5.24Oil and grease.............................. 19.33 19.33Suspended solids............................ 29.00 23.20pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.0 to 10.0 at all times. [48 FR 49149, Oct. 24, 1983; 49 FR 11633 and 11636, Mar. 27, 1984]