[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR471.12] [Page 690-692] 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 A--Lead-Tin-Bismuth Forming Subcategory Sec. 471.12 Effluent limitations representing 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 emulsions. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth rolled with emulsion --------------- Antimony.................................... 0.067 0.030 Lead........................................ 0.010 0.005 ------------------------------------------------------------------------ (b) Rolling spent soap solutions. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth rolled with soap solutions --------------- Antimony.................................... 0.120 0.055 Lead........................................ 0.018 0.009 ------------------------------------------------------------------------ (c) Drawing spent neat oils--Subpart A--BAT. There shall be no discharge of process wastewater pollutants. (d) Drawing spent emulsions. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth drawn with emulsions --------------- Antimony.................................... 0.080 0.034 Lead........................................ 0.011 0.005 ------------------------------------------------------------------------ (e) Drawing spent soap solutions. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth drawn with soap solutions --------------- Antimony.................................... 0.022 0.010 Lead........................................ 0.003 0.002 ------------------------------------------------------------------------ (f) Extrusion press and solution heat treatment contact colling water. [[Page 691]] Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds/per million off-pounds) of lead-tin-bismuth heat treated --------------- Antimony.................................... 0.414 0.185 Lead........................................ 0.061 0.030 ------------------------------------------------------------------------ (g) Extrusion press hydraulic fluid leakage. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds/per million off-pounds) of lead-tin-bismuth extruded --------------- Antimony.................................... 0.158 0.071 Lead........................................ 0.023 0.011 ------------------------------------------------------------------------ (h) Continuous strip casting contact cooling water. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth cast by the continuous strip method --------------- Antimony.................................... 0.003 0.001 Lead........................................ 0.0004 0.0002 ------------------------------------------------------------------------ (i) Semi-continuous ingot casting contact cooling water. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth cast by the continuous strip method --------------- Antimony.................................... 0.009 0.004 Lead........................................ 0.001 0.0006 ------------------------------------------------------------------------ (j) Shot casting contact cooling water. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth shot cast --------------- Antimony.................................... 0.107 0.048 Lead........................................ 0.016 0.008 ------------------------------------------------------------------------ (k) Shot-forming wet air pollution control scrubber blowdown. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth shot formed --------------- Antimony.................................... 0.169 0.076 Lead........................................ 0.025 0.012 ------------------------------------------------------------------------ (l) Alkaline cleaning spent baths. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth alkaline cleaned --------------- Antimony.................................... 0.345 0.154 Lead........................................ 0.051 0.024 ------------------------------------------------------------------------ (m) Alkaline cleaning rinse. Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth alkaline cleaned --------------- Antimony.................................... 0.678 0.302 Lead........................................ 0.099 0.047 ------------------------------------------------------------------------ (n) Swaging spent emulsions. [[Page 692]] Subpart A--BAT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth swaged with emulsion --------------- Antimony.................................... 0.005 0.002 Lead........................................ 0.0008 0.0004 ------------------------------------------------------------------------ (o) Degreasing spent solvents--Subpart A--BAT. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]