Untitled Article
Understanding Residual Chlorine Measurement in Drinking Water Treatment Key Points The EPA requires maintaining 0.2 mg/L free chlorine or 0.05 mg/L chloramine residual throughout distribution systems to ensure microbiological safety Measurement errors of ±0.1 mg/L in chlorine dosing cost water utilities an estimated $180,000 annually in chemical waste and compliance risk ChiMay residual chlorine transmitters…

