Cleaning or Etching Bath Pollutant or pollutant property BAT effluent limitations Maximum for Maximum for any 1 day monthly are age mg/off-kg (lb/million off-ibs) of Chromium 0.036 0.015 mg/off-kg (lb/million off-los) of Chromium 0.079 0.032 0.022 0.109 0.573 Chromium monitoring parameter) 8 467.15 Pretreatment standards for existing sources. Except as provided in 40 CFR 403.7 and 403.13, any existing source subject 0.10 0.052 |