[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: 40CFR471.55] [Page 747-750] 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. 471.55 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS). The mass of wastewater pollutants in the refractory metals forming process wastewater shall not exceed the values set forth below: (a) Rolling spent neat oils and graphite based lubricants--Subpart E--PSNS. There shall be no discharge of process wastewater pollutants. (b) Rolling spent emulsions. Subpart E--PSNS ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (c) Drawing spent lubricants--Subpart E--PSNS. 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. [[Page 748]] Subpart E--PSNS ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (f) Forging spent lubricants--Subpart E--PSNS. There shall be no discharge of process wastewater pollutants. (g) Forging contact cooling water. Subpart E--PSNS ------------------------------------------------------------------------ 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 0.320 Nickel...................................... 0.018 0.021 Fluoride.................................... 1.92 0.853 Molybdenum.................................. 0.163 0.072 ------------------------------------------------------------------------ (h) Equipment cleaning wastewater. Subpart E--PSNS ------------------------------------------------------------------------ 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--PSNS ------------------------------------------------------------------------ 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--PSNS. There shall be no discharge of process wastewater pollutants. (k) Metal powder pressing spent lubricants--Subpart E--PSNS. There shall be no discharge of process wastewater pollutants. (l) Surface treatment spent baths. Subpart E--PSNS ------------------------------------------------------------------------ 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--PSNS ------------------------------------------------------------------------ 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--PSNS ------------------------------------------------------------------------ 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--PSNS ------------------------------------------------------------------------ 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.................................... 48.6 216 Molybdenum.................................. 41.1 18.2 ------------------------------------------------------------------------ [[Page 749]] (p) Molten salt rinse. Subpart E--PSNS ------------------------------------------------------------------------ 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--PSNS ------------------------------------------------------------------------ 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--PSNS. There shall be no discharge or process wastewater pollutants. (s) Sawing or grinding spent emulsions. Subpart E--PSNS ------------------------------------------------------------------------ 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--PSNS ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (u) Sawing or grinding rinse. Subpart E--PSNS ------------------------------------------------------------------------ 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 blowdown. Subpart E--PSNS ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ (w) Miscellaneous wastewater source. Subpart E--PSNS ------------------------------------------------------------------------ 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...................................... 0.192 0.128 Fluoride.................................... 20.6 9.11 Molybdenum.................................. 1.74 0.770 ------------------------------------------------------------------------ (x) Dye penetrant testing wastewater. [[Page 750]] Subpart E--PSNS ------------------------------------------------------------------------ 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 spend solvents--Subpart E--PSNS. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2887, Jan. 22, 1986]