[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR467.54] [Page 646-647] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 467_ALUMINUM FORMING POINT SOURCE CATEGORY--Table of Contents Subpart E_Drawing With Neat Oils Subcategory Sec. 467.54 New source performance standards. Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core and ancillary operations shall not exceed the values set forth below: Subpart E 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 neat oils --------------- Chromium.................................... 0.019 0.008 Cyanide..................................... 0.010 0.004 Zinc........................................ 0.051 0.021 Aluminum.................................... 0.304 0.135 Oil and grease.............................. 0.498 0.498 Suspended solids............................ 0.747 0.598 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10 at all times. Subpart E 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 0.0003 Cyanide..................................... 0.0004 0.0002 Zinc........................................ 0.002 0.0008 Aluminum.................................... 0.012 0.006 Oil and grease.............................. 0.02 0.02 Suspended solids............................ 0.03 0.024 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ 1 Within the range of 7.0 to 10 at all times. Subpart E 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 0.029 Cyanide....................................... 0.039 0.016 Zinc.......................................... 0.198 0.082 Aluminum...................................... 1.185 0.526 Oil and grease................................ 1.939 1.939 Suspended solids.............................. 2.909 2.327 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ 1 Within the range of 7.0 to 10 at all times. Subpart E 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 0.306 Cyanide..................................... 0.408 0.163 Zinc........................................ 2.08 0.856 Aluminum.................................... 12.45 5.52 Oil and grease.............................. 20.37 20.37 Suspended solids............................ 30.56 24.45 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ 1 Within the range of 7.0 to 10 at all times. [[Page 647]] Subpart E 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 0.027 Cyanide..................................... 0.036 0.015 Zinc........................................ 0.183 0.075 Aluminum.................................... 1.094 0.485 Oil and grease.............................. 1.79 1.79 Suspended solids............................ 2.69 2.15 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10 at all times. Subpart E 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 0.209 Cyanide..................................... 0.278 0.111 Zinc........................................ 1.42 0.584 Aluminum.................................... 8.50 3.77 Oil and grease.............................. 13.91 13.91 Suspended solids............................ 20.87 16.70 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ 1 Within the range of 7.0 to 10 at all times. Subpart E 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.................................... 0.715 0.290 Cyanide..................................... 0.387 0.155 Zinc........................................ 1.97 0.812 Aluminum.................................... 11.81 5.24 Oil and grease.............................. 19.33 19.33 Suspended solids............................ 29.00 23.20 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ 1 Within the range of 7.0 to 10 at all times. [48 FR 49149, Oct. 24, 1983; 49 FR 11633 and 11635, Mar. 27, 1984]