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 metallurgical acid plant blowdown introduced into a POTW shall not exceed the following values: Subpart I—Metallurgical Acid Plant—PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of 100 pct sulfuric acid capacity Arsenic 3.550 1.584 Cadmium 0.511 0.204 Copper 3.269 1.558 Lead 0.715 0.332 Zinc 2.605 1.073 Fluoride 1 89.390 50.820 Molybdenum 1 [Reserved] [Reserved]. 1 For Molybdenum acid plants only. [50 FR 38343, Sept. 20, 1985, as amended at 55 FR 31697, Aug. 3, 1990]