40 C.F.R. § 415.675
New source performance standards (NSPS).
Cite as 40 C.F.R. § 415.675 (2026)
Any new source subject to this subpart must achieve the following new source performance standards (NSPS): Subpart BO—Zinc Chloride Pollutant or pollutant property NSPS effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Milligrams per liter (mg/l) TSS 28 17 Arsenic (T) 3.0 1.0. Zinc (T) 2.3 0.76 Lead (T) 0.18 0.048 pH ( 1 ) ( 1 ) 1 Within the range 6.0 to 10.0. [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]