Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources (PSES):
Subpart BA--Silver Nitrate------------------------------------------------------------------------
PSES limitations
---------------------------
Average of
Pollution or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Milligram per liter (mg/l)
---------------Silver...................................... 1.0 0.5------------------------------------------------------------------------
Subpart BB_Sodium Bisulfite Production Subcategory