[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR471.52] [Page 741-744] 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. 471.52 Effluent limitations representating the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): (a) Rolling spent neat oils and graphite based lubricants--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. (b) Rolling spent emulsions. Subpart E-BAT ------------------------------------------------------------------------ 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 0.157 Fluoride.................................... 25.5 11.3 Molybdenum.................................. 2.16 0.957 ------------------------------------------------------------------------ (c) Drawing spent lubricants--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. (d) Extrusion spent lubricants--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. (e) Extrusion press hydraulic fluid leakage. Subpart E--BAT ------------------------------------------------------------------------ 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...................................... 1.5 0.730 Nickel...................................... 0.650 0.440 Fluoride.................................... 71.000 31.0 Molybdenum.................................. 5.99 2.66 ------------------------------------------------------------------------ (f) Forging spent lubricants--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. (g) Forging contact cooling water. [[Page 742]] Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (h) Equipment cleaning wastewater. Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (i) Metal powder production wastewater. Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (j) Metal powder production floor wash wastewater--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. (k) Metal powder pressing spent lubricants--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. (l) Surface treatment spent baths. Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (m) Surface treatment rinse. Subpart E--BAT ------------------------------------------------------------------------ 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.................................. 60.9 27.0 ------------------------------------------------------------------------ (n) Alkaline cleaning spent baths. Subpart E--BAT ------------------------------------------------------------------------ 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...................................... 0.184 0.124 Fluoride.................................... 19.9 8.82 Molybdenum.................................. 1.68 0.745 ------------------------------------------------------------------------ (o) Alkaline cleaning rinse. Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (p) Molten salt rinse. [[Page 743]] Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (q) Tumbling or burnishing wastewater. Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (r) Sawing or grinding spent neat oils--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. (s) Sawing or grinding spent emulsions. Subpart E--BAT ------------------------------------------------------------------------ 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.................................. 1.50 0.663 ------------------------------------------------------------------------ (t) Sawing or grinding contact cooling water. Subpart E--BAT ------------------------------------------------------------------------ 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.................................... 145.0 64.2 Molybdenum.................................. 12.2 5.42 ------------------------------------------------------------------------ (u) Sawing or grinding rinse. Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (v) Wet air pollution control scrubber blowdown. Subpart E--BAT ------------------------------------------------------------------------ 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, 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 ------------------------------------------------------------------------ (w) Miscellaneous wastewater sources. Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (x) Dye penetrant testing wastewater. [[Page 744]] Subpart E--BAT ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (y) Degreasing spent solvents--Subpart E--BAT. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2886, Jan. 22, 1986]