[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: 40CFR471.53] [Page 742-745] 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 E_Refractory Metals Forming Subcategory Sec. 471.53 New source performance standards (NSPS). Any new source subject to this subpart must achieve the following new source performance standards (NSPS): (a) Rolling spent neat oils and graphite based lubricants--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. (b) Rolling spent emulsions. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions --------------------------- Copper...................................... 0.549 0.262 Nickel...................................... 0.236 0.159 Fluoride.................................... 25.5 11.3 Molybdenum.................................. 2.16 0.957 Oil and grease.............................. 4.29 4.29 TSS......................................... 6.44 5.15 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (c) Drawing spent lubricants--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. (d) Extrusion spent lubricants--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. (e) Extrusion press hydraulic fluid leakage. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals extruded --------------------------- Copper...................................... 1.53 0.726 Nickel...................................... 0.655 0.441 Fluoride.................................... 70.8 31.4 Molybdenum.................................. 5.99 2.66 Oil and grease.............................. 11.9 11.9 TSS......................................... 17.9 14.3 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (f) Forging spent lubricants--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. (g) Forging contact cooling water. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of forged refractory metals cooled with water --------------------------- Copper...................................... 0.041 0.020 Nickel...................................... 0.018 0.012 Fluoride.................................... 1.92 0.853 Molybdenum.................................. 0.163 0.072 Oil and grease.............................. 0.323 0.323 TSS......................................... 0.485 0.388 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (h) Equipment cleaning wastewater. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals formed --------------------------- Copper...................................... 0.174 0.083 Nickel...................................... 0.075 0.051 Fluoride.................................... 8.09 3.59 Molybdenum.................................. 0.684 0.303 Oil and grease.............................. 1.36 1.36 TSS......................................... 2.04 1.63 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (i) Metal powder production wastewater. [[Page 743]] Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals powder produced --------------------------- Copper...................................... 0.360 0.172 Nickel...................................... 0.155 0.104 Fluoride.................................... 16.7 7.42 Molybdenum.................................. 1.42 0.627 Oil and grease.............................. 2.81 2.81 TSS......................................... 4.22 3.37 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (j) Metal powder production floor wash wastewater--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. (k) Metal powder pressing spent lubricants--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. (l) Surface treatment spent baths. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals surface treated --------------------------- Copper...................................... 0.498 0.237 Nickel...................................... 0.214 0.144 Fluoride.................................... 23.2 10.3 Molybdenum.................................. 1.96 0.868 Oil and grease.............................. 3.89 3.89 TSS......................................... 5.84 4.67 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (m) Surface treatment rinse. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals surface treated --------------------------- Copper...................................... 15.5 7.38 Nickel...................................... 6.66 4.48 Fluoride.................................... 720 320 Molybdenum.................................. 69.9 27.0 Oil and grease.............................. 121 121 TSS......................................... 182 145 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (n) Alkaline cleaning spent baths. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned --------------------------- Copper...................................... 0.428 0.204 Nickel...................................... .184 0.124 Fluoride.................................... 19.9 8.82 Molybdenum.................................. 1.68 0.745 Oil and grease.............................. 3.34 3.34 TSS......................................... 5.01 4.01 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (o) Alkaline cleaning rinse. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned --------------------------- Copper...................................... 10.5 4.98 Nickel...................................... 4.49 3.02 Fluoride.................................... 486 216 Molybdenum.................................. 41.1 18.2 Oil and grease.............................. 81.6 81.6 TSS......................................... 123 97.9 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (p) Molten salt rinse. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals treated with molten salt --------------------------- Copper...................................... 0.810 0.386 Nickel...................................... 0.348 0.234 Fluoride.................................... 37.7 16.7 Molybdenum.................................. 3.19 1.41 Oil and grease.............................. 6.33 6.33 TSS......................................... 9.5 7.6 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (q) Tumbling or burnishing wastewater. [[Page 744]] Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals tumbled or burnished --------------------------- Copper...................................... 1.60 0.763 Nickel...................................... 0.688 0.463 Fluoride.................................... 74.4 33.0 Molybdenum.................................. 6.29 2.79 Oil and grease.............................. 12.5 12.5 TSS......................................... 18.8 15.0 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (r) Sawing or grinding spent neat oils--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. (s) Sawing or grinding spent emulsions. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with emulsions --------------------------- Copper...................................... 0.380 0.181 Nickel...................................... 0.164 0.110 Fluoride.................................... 17.7 7.84 Molybdenum.................................. 1.5 0.663 Oil and grease.............................. 2.97 2.97 TSS......................................... 4.46 3.57 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (t) Sawing or grinding contact cooling water. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with contact cooling water --------------------------- Copper...................................... 3.11 1.48 Nickel...................................... 1.34 0.899 Fluoride.................................... 145 64.2 Molybdenum.................................. 12.2 5.42 Oil and grease.............................. 24.3 24.3 TSS......................................... 36.5 29.2 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (u) Sawing or grinding rinse. Subpart E--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 refractory metals rinsed --------------------------- Copper...................................... 0.018 0.009 Nickel...................................... 0.008 0.005 Fluoride.................................... 0.803 0.357 Molybdenum.................................. 0.068 0.030 Oil and grease.............................. 0.135 0.135 TSS......................................... 0.203 0.162 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (v) Wet air pollution control scrubber blowdown. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals sawed, ground, surface coated or surface treated --------------------------- Copper...................................... 1.01 0.480 Nickel...................................... 0.433 0.291 Fluoride.................................... 46.8 20.8 Molybdenum.................................. 3.96 1.76 Oil and grease.............................. 7.87 7.87 TSS......................................... 11.8 9.45 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (w) Miscellaneous wastewater sources. Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals formed --------------------------- Copper...................................... 0.442 0.211 Nickel...................................... 0.190 0.128 Fluoride.................................... 20.6 9.11 Molybdenum.................................. 1.74 0.770 Oil and grease.............................. 3.45 3.45 TSS......................................... 5.18 4.14 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (x) Dye penetrant testing wastewater. [[Page 745]] Subpart E--NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals product tested --------------------------- Copper...................................... 0.100 0.048 Nickel...................................... 0.043 0.029 Fluoride.................................... 4.62 2.05 Molybdenum.................................. 0.391 0.173 Oil and grease.............................. 0.776 0.776 TSS......................................... 1.17 0.931 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (y) Degreasing spent solvents--Subpart E--NSPS. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2886, Jan. 22, 1986]