[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR471.71] [Page 766-768] 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. 471.71 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations for the process operations representing the degree of effluent reduction attainable by the application of the best praticable control technology currently available (BPT): (a) Extrusion spent lubricants--Subpart G--BPT. There shall be no discharge process wastewater pollutants. (b) Extrusion tool contact cooling water. Subpart G--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of uranium extruded --------------- Cadium...................................... 0.117 0.052 Chromium.................................... 0.152 0.062 Copper...................................... 0.654 0.344 Lead........................................ 0.145 0.069 Nickel...................................... 0.661 0.437 Fluoride.................................... 20.5 9.08 Molybdenum.................................. 2.28 1.18 Oil and grease.............................. 6.88 4.13 TSS......................................... 14.1 6.71 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (c) Heat treatment contact cooling water. Subpart G--BPT ------------------------------------------------------------------------ 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 --------------- Cadium...................................... 0.646 0.285 Chromium.................................... 0.836 0.342 Copper...................................... 3.61 1.90 Lead........................................ 0.798 0.380 Nickel...................................... 3.65 2.42 Fluoride.................................... 113 50.2 Molybdenum.................................. 12.6 6.5 Oil and grease.............................. 38 22.8 TSS......................................... 77.9 37.1 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [[Page 767]] (d) Forging spent lubricants--Subpart G--BPT. There shall be no discharge of process wastewater pollutants. (e) Surface treatment spent baths. Subpart G--BPT ------------------------------------------------------------------------ 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..................................... 0.010 0.004 Chromium.................................... 0.012 0.005 Copper...................................... 0.052 0.027 Lead........................................ 0.012 0.006 Nickel...................................... 0.052 0.035 Fluoride.................................... 1.62 0.718 Molybdenum.................................. 0.180 0.093 Oil and grease.............................. 0.544 0.327 TSS......................................... 1.12 0.531 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (f) Surface treatment rinse. Subpart G--BPT ------------------------------------------------------------------------ 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..................................... 0.115 0.050 Chromium.................................... 0.149 0.061 Copper...................................... 0.641 0.337 Lead........................................ 0.142 0.068 Nickel...................................... 0.647 0.428 Fluoride.................................... 20.1 8.90 Molybdenum.................................. 2.23 1.16 Oil and grease.............................. 6.74 4.05 TSS......................................... 13.8 6.57 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--BPT ------------------------------------------------------------------------ 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..................................... 0.00 0.0006 Chromium.................................... 0.002 0.0007 Copper...................................... 0.007 0.004 Lead........................................ 0.002 0.0007 Nickel...................................... 0.007 0.005 Fluoride.................................... 0.208 0.092 Molybdenum.................................. 0.023 0.012 Oil and grease.............................. 0.070 0.042 TSS......................................... 0.143 0.068 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (h) Sawing or grinding spent emulsions. Subpart G--BPT ------------------------------------------------------------------------ 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..................................... 0.002 0.0009 Chromium.................................... 0.003 0.001 Copper...................................... 0.011 0.006 Lead........................................ 0.003 0.001 Nickel...................................... 0.011 0.007 Fluoride.................................... 0.338 0.150 Molybdenum.................................. 0.038 0.020 Oil and grease.............................. 0.114 0.068 TSS......................................... 0.233 0.111 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--BPT ------------------------------------------------------------------------ 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 ater --------------- Cadmium..................................... 0.561 0.248 Chromium.................................... 0.726 0.297 Copper...................................... 3.14 1.65 Lead........................................ 0.693 0.330 Nickel...................................... 3.17 2.1 Fluoride.................................... 98.2 43.6 Molybdenum.................................. 10.9 5.65 Oil and grease.............................. 33.0 19.8 TSS......................................... 67.7 32.2 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (j) Sawing or grinding rinse. [[Page 768]] Subpart G--BPT ------------------------------------------------------------------------ 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 rinses --------------- Cadmium..................................... 0.002 0.0007 Chromium.................................... 0.002 0.0009 Copper...................................... 0.009 0.005 Lead........................................ 0.002 0.001 Nickel...................................... 0.009 0.006 Fluoride.................................... 0.277 0.123 Molybdenum.................................. 0.031 0.016 Oil and grease.............................. 0.093 0.056 TSS......................................... 0.191 0.091 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (k) Area cleaning rinse. Subpart G--BPT ------------------------------------------------------------------------ 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..................................... 0.015 0.007 Chromium.................................... 0.019 0.008 Copper...................................... 0.082 0.043 Lead........................................ 0.018 0.009 Nickel...................................... 0.083 0.055 Fluoride.................................... 2.56 1.14 Molybdenum.................................. 0.284 0.147 Oil and grease.............................. 0.858 0.515 TSS......................................... 1.76 0.837 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (l) Drum washwater. Subpart G--BPT ------------------------------------------------------------------------ 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..................................... 0.015 0.007 Chromium.................................... 0.020 0.008 Copper...................................... 0.084 0.045 Lead........................................ 0.019 0.009 Nickel...................................... 0.085 0.057 Fluoride.................................... 2.64 1.17 Molybdenum.................................. 0.293 0.152 Oil and grease.............................. 0.886 0.532 TSS......................................... 1.82 0.864 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (m) Laundry washwater. Subpart G--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/employee--day --------------- Cadmium..................................... 17.8 7.86 Chromium.................................... 23.1 9.43 Copper...................................... 99.6 52.4 Lead........................................ 22.0 10.5 Nickel...................................... 101 66.6 Fluoride.................................... 3,120 1,390 Molybdenum.................................. 347 179 Oil and grease.............................. 1,050 629 TSS......................................... 2,150 1,020 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (n) Degreasing spent solvents--Subpart G--BPT. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]