New source performance standards (NSPS).

(a) Any new source subject to this subpart and using the mercury cell process must achieve the following new source performance standards (NSPS): Subpart F—Chlor-Alkali-Mercury Cells Pollutant or pollutant property NSPS limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kq/kkg (or pounds per 1,000 lb) of product TSS 0.64 0.32 Mercury (T) 0.00023 0.00010 Total Residual Chlorine 0.0032 0.0019 pH ( 1 ) ( 1 ) 1 Within the range 6.0 to 9.0. (b) Any new source subject to this subpart and using the diaphragm cell process must achieve the following new source performance standards (NSPS): Subpart F—Chlor-Alkali-Diaphragm Cells Pollutant or pollutant property NSPS limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kq/kkg (or pounds per 1,000 lb) of product TSS 1.1 0.51 Lead (T) 0.0047 0.0019 Total Residual Chlorine 0.013 0.0079 pH ( 1 ) ( 1 ) 1 Within the range 6.0 to 9.0.