Pretreatment standards for new sources.

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. The mass of wastewater pollutants in primary columbium-tantalum process wastewater introduced into a POTW shall not exceed the following values: (a) Subpart K—Concentrate Digestion Wet Air Pollution Control. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of concentrate digested Lead .174 .081 Zinc .635 .261 Ammonia (as N) 82.910 36.450 Fluoride 21.770 12.440 (b) Subpart K—Solvent Extraction Raffinate. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of concentrate digested Lead 2.592 1.203 Zinc 9.442 3.888 Ammonia (as N) 1,233.000 542.5000 Fluoride 324.000 185.100 (c) Subpart K—Solvent Extraction Wet Air Pollution Control. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of concentrate digested Lead .069 .032 Zinc .251 .103 Ammonia (as N) 32.790 14.420 Fluoride 8.610 4.920 (d) Subpart K—Precipitation and Filtration. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of concentrate digested Lead 3.833 1.780 Zinc 13.960 5.750 Ammonia (as N) 1,825.000 802.200 Fluoride 479.100 273.800 (e) Subpart K—Precipitation and Filtration Wet Air Pollution Control. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of concentrate digested Lead 1.778 .826 Zinc 6.478 2.668 Ammonia (as N) 846.600 372.200 Fluoride 222.300 127.000 (f) Subpart K—Tantalum Salt Drying. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tantalum salt dried Lead 16.950 7.871 Zinc 61.750 25.430 Ammonia (as N) 8,070.000 3,548.000 Fluoride 2,119.000 1,211.000 (g) Subpart K—Oxides Calcining Wet Air Pollution Control. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of columbium-tantalum oxide dried Lead 1.076 .500 Zinc 3.919 1.614 Ammonia (as N) 512.200 225.200 Fluoride 134.500 76.840 (h) Subpart K—Reduction of Tantalum Salt to Metal. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tantalum salt reduced Lead 46.500 21.590 Zinc 169.400 69.750 Ammonia (as N) 22,140.000 9,732.000 Fluoride 5,813.000 3,322.000 (i) Subpart K—Reduction of Tantalum Salt to Metal Wet Air Pollution Control. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tantalum salt reduced Lead .572 .266 Zinc 2.084 .858 Ammonia (as N) 272.400 119.700 Fluoride 71.510 40.860 (j) Subpart K—Tantalum Powder Wash. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tantalum powder washed Lead 5.721 2.656 Zinc 20.840 8.582 Ammonia (as N) 2,724.000 1,198.000 Fluoride 715.200 408.700 (k) Subpart K—Consolidation and Casting Contact Cooling. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of columbium or tantalum cast or consolidated Lead .000 .000 Zinc .000 .000 Ammonia (as N) .000 .000 Fluoride .000 .000 [49 FR 8817, Mar. 8, 1984, as amended at 50 FR 12253, Mar. 28, 1985]