$ 471.61 Effluent limitations representing the degree of effluent reduction attainable by the applica. tion of the best practicable control technology currently available (BPT). 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 for the process operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): (a) Rolling spent neat oils–Subpart FBPT. There shall be no discharge of process wastewater pollutants. (b) Rolling contact cooling water. (g) Forging spent lubricants-Subpart charge of process wastewater pollutF-BPT. There shall be no discharge of ants. process wastewater pollutants. (1) Heat treatment contact cooling (h) Forging contact cooling water. water-Subpart F--BPT. There shall be no allowance for the discharge of procSUBPART FYBPT ess wastewater pollutants. Maximum for (m) Surface treatment spent baths. Maximum for Pollutant or pollutant property any 1 day monthly aver- SUBPART F-BPT Maximum tor Maximum for monthly aver nium cooled with water any 1 day age Cyanide 0.580 mg/off-kg (pounds per million Lead 0.840 off-pounds) of titanium surZinc 2.92 face treated Ammonia 267 117 Fluoride 119 0.061 0.125 Oil and grease 40.0 0.088 0.042 TSS 82.0 0.304 0.127 pH (") (") 27.7 122 Fluoride Within the range of 7.5 to 10.0 at all times. 12.4 5.49 Oil and grease 4.16 250 (i) Forging equipment cleaning waste TSS 8.53 4.06 water. PH (") (") Within the range of 7.5 to 10.0 at all times. SUBPART F-BPT (n) Surface treatment rinse. Maximum for Maximum for any 1 day SUBPART F-BPT Maximum to mg/off-kg (pounds per million Pollutant or pollutant property Maximum for oft-pounds) of refractory any 1 day monthly aver age metals forged mg/off-kg (pounds per milion Cyanide 0.012 off-pounds) of titanium surLead 0.017 face treated Zinc 0.059 0.025 Ammonia 5.33 8.47 3.51 Fluoride 2.38 12.3 5.84 Oil and grease 0.800 0.480 42.7 178 TSS 1.64 3,890 1,710 pH (") 1.740 771 Oil and grease 584 351 Within the range of 7.5 to 10.0 at all times. TSS 1,200 570 (j) Forging press hydraulic fluid leak PH (') age. Within the range of 7.5 to 10.0 at all times. (0) Wet air pollution control scrubber blowdown. Maximum for Maximum for any 1 day SUBPART F-BPT Pollutant or pollutant property Maximum for Maximum for monthly averoft-pounds) of refractory any 1 day age metals forged mg/off-kg (pounds per milion Cyanide 0.293 oft-pounds) of titanium surLead 0.424 face treated or forged Zinc 1.48 0.616 Ammonia 135 59.2 0.621 Fluoride 60.1 0.899 0.428 Oil and grease 20.2 12.1 3.13 TSS 41.4 2853 126 pH (") 128 56.5 42.8 Oil and grease 25.7 Within the range of 7.5 to 10.0 at all times. TSS 87.8 41.8 (k) Tube reducing spent lubricants- pH Subpart F-BPT. There shall be no dis- Within the range of 7.5 to 10.0 at all times. 0.257 1.31 8 471.62 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 neat oils-Subpart FBAT. There shall be no discharge of process wastewater pollutants. (b) Rolling contact cooling water. |
