Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and by August 23, 1988, achieve the pretreatment standards for existing sources (PSES). The mass of wastewater pollutants in lead-tin-bismuth forming process wastewater introduced into a POTW shall not exceed the following values: (a) Rolling spent emulsions. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth rolled with emulsions Antimony 0.067 0.030 Lead 0.010 0.005 (b) Rolling spent soap solutions. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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—PSES. There shall be no discharge of process wastewater pollutants. (d) Drawing spent emulsions. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth drawn with emulsions Antimony 0.076 0.034 Lead 0.011 0.005 (e) Drawing spent soaps solutions. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth drawn with soap olutions Antimony 0.022 0.010 Lead 0.003 0.002 (f) Extrusion press and solution heat treatment contact cooling water. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth heat treated Antimony 0.414 0.185 Lead 0.061 0.029 (g) Extrusion press hydraulic fluid leakage. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth cast by the semi-continuous strip method Antimony 0.009 0.004 Lead 0.001 0.0006 (j) Shot casting contact cooling water. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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. Subpart A—PSES Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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—PSES. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]