This document provides an approach that a drinking water system may use to simulate free chlorine decay (and/or disinfection by-product formation (DBP)) in the distribution system.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Free Chlorine Distribution System Influent Hold Study Protocol (PDF)(8 pp, 587 K, June 2019, 815-B-19-013)