(a) [Reserved]
(b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and using the diaphragm cell process, which introduces pollutants into a publicly owned treatment works, must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources (PSES):
Subpart F--Chlor-Alkali-Diaphragm Cells------------------------------------------------------------------------
PSES effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Milligrams per liter (mq/
1)
---------------
Copper (T).................................. 2.1 0.80Lead (T).................................... 2.9 1.1Nickel (T).................................. 1.6 0.64------------------------------------------------------------------------ In cases when POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Copper (T), Lead(T) and Nickel (T) are the same as specified in Sec. 415.62(b).