Transcription of Chlorine Residual Testing Fact Sheet
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Chlorine Residual Testing fact Sheet , CDC SWS Project, Residual Testing fact SheetThe presence of free Chlorine Residual in drinking water indicates that: 1) a sufficient amount ofchlorine was added to the water to inactivate most of the bacteria and viruses that cause diarrhealdisease; and, 2) the water is protected from recontamination during transport to the home, andduring storage of water in the household. Because the presence of free Residual Chlorine indrinking water indicates the likely absence of disease-causing organisms, it is used as onemeasure of the potability of drinking fact Sheet describes:1. The processes that occur when Chlorine is added to water, and the definitions involvedwith these processes;2. Why and how the Safe Water System program recommends Testing of free Chlorine ; and,3.
Chlorine Residual Testing Fact Sheet, CDC SWS Project, safewater@cdc.gov 5 Methods to Test Free Chlorine in the Field in Developing Countries There are four main methods to test free and total chlorine residual in drinking water in the field
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