[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR471.73] [Page 768-770] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 471_NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY--Table of Contents Subpart G_Uranium Forming Subcategory Sec. 471.73 New source performance standards (NSPS). Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The mass of pollutants in the uranium forming process wastewater shall not exceed the following values: (a) Extrusion spent lubricants--Subpart G--NSPS. There shall be no discharge of process wastewater pollutants. (b) Extrusion tool contact cooling water. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium extruded --------------------------- Cadmium..................................... 0.007 0.003 Chromium.................................... 0.013 0.005 Copper...................................... 0.044 0.021 Lead........................................ 0.010 0.005 Nickel...................................... 0.019 0.013 Fluoride.................................... 2.05 0.908 Molybdenum.................................. 0.173 0.077 Oil and grease.............................. 0.344 0.344 TSS......................................... 0.516 0.413 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (c) Heat treatment contact cooling water. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated --------------------------- Cadmium..................................... 0.006 0.003 Chromium.................................... 0.012 0.005 Copper...................................... 0.040 0.019 Lead........................................ 0.009 0.004 Nickel...................................... 0.017 0.012 Fluoride.................................... 1.86 0.827 Molybdenum.................................. 0.158 0.070 Oil and grease.............................. 0.313 0.313 TSS......................................... 0.470 0.376 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [[Page 769]] (d) Forging spent lubricants--Subpart G--NSPS. There shall be no discharge of process wastewater pollutants. (e) Surface treatment spent baths. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium surface treated --------------------------- Cadmium..................................... 0.006 0.002 Chromium.................................... 0.010 0.004 Copper...................................... 0.035 0.017 Lead........................................ 0.008 0.004 Nickel...................................... 0.015 0.010 Fluoride.................................... 1.62 0.718 Molybdenum.................................. 0.137 0.061 Oil and grease.............................. 0.272 0.272 TSS......................................... 0.408 0.327 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (f) Surface treatment rinse. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium surface treated --------------------------- Cadmium..................................... 0.068 0.027 Chromium.................................... 0.125 0.051 Copper...................................... 0.432 0.206 Lead........................................ 0.095 0.044 Nickel...................................... 0.186 0.125 Fluoride.................................... 20.1 8.90 Molybdenum.................................. 1.70 0.752 Oil and grease.............................. 3.37 3.37 TSS......................................... 5.06 4.05 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (g) Wet air pollution control scrubber blowdown. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium surface treated --------------------------- Cadmium..................................... 0.0007 0.0003 Chromium.................................... 0.001 0.0005 Copper...................................... 0.005 0.002 Lead........................................ 0.001 0.0005 Nickel...................................... 0.002 0.001 Fluoride.................................... 0.208 0.092 Molybdenum.................................. 0.018 0.008 Oil and grease.............................. 0.035 0.035 TSS......................................... 0.053 0.042 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (h) Sawing or grinding spent emulsions. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with emulsions --------------------------- Cadmium..................................... 0.001 0.0005 Chromium.................................... 0.002 0.0009 Copper...................................... 0.007 0.004 Lead........................................ 0.002 0.0008 Nickel...................................... 0.003 0.002 Fluoride.................................... 0.338 0.150 Molybdenum.................................. 0.029 0.013 Oil and grease.............................. 0.057 0.057 TSS......................................... 0.085 0.068 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (i) Sawing or grinding contact cooling water. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with contact cooling water --------------------------- Cadmium..................................... 0.033 0.013 Chromium.................................... 0.061 0.025 Copper...................................... 0.211 0.101 Lead........................................ 0.046 0.022 Nickel...................................... 0.091 0.061 Fluoride.................................... 9.82 4.36 Molybdenum.................................. 0.830 0.368 Oil and grease.............................. 1.65 1.65 TSS......................................... 2.48 1.98 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (j) Sawing or grinding rinse. [[Page 770]] Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of sawed or ground uranium rinsed --------------------------- Cadmium..................................... 0.001 0.0004 Chromium.................................... 0.002 0.0007 Copper...................................... 0.006 0.003 Lead........................................ 0.002 0.0006 Nickel...................................... 0.003 0.002 Fluoride.................................... 0.277 0.123 Molybdenum.................................. 0.024 0.011 Oil and grease.............................. 0.047 0.047 TSS......................................... 0.070 0.056 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (k) Area cleaning rinse. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium formed --------------------------- Cadmium..................................... 0.009 0.004 Chromium.................................... 0.016 0.007 Copper...................................... 0.055 0.026 Lead........................................ 0.012 0.006 Nickel...................................... 0.024 0.016 Fluoride.................................... 2.56 1.14 Molybdenum.................................. 0.216 0.096 Oil and grease.............................. 0.429 0.429 TSS......................................... 0.644 0.515 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (l) Drum washwater. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium formed --------------------------- Cadmium..................................... 0.009 0.004 Chromium.................................... 0.017 0.007 Copper...................................... 0.057 0.027 Lead........................................ 0.013 0.006 Nickel...................................... 0.025 0.017 Fluoride.................................... 2.64 1.17 Molybdenum.................................. 0.223 0.099 Oil and grease.............................. 0.443 0.443 TSS......................................... 0.665 0.532 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (m) Laundry washwater. Subpart G--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/employee--day --------------------------- Cadmium..................................... 5.24 2.10 Chromium.................................... 9.70 3.93 Copper...................................... 33.6 16.0 Lead........................................ 7.34 3.41 Nickel...................................... 14.4 9.70 Fluoride.................................... 1,560 692 Molybdenum.................................. 132 58.4 Oil and grease.............................. 262 262 TSS......................................... 393 315 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (n) Degreasing spent solvents--Subpart G--NSPS. There shall be no discharge of process waster pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]