Page 41 - GPHS Environmental Public Health Standards (Foundation of Public Health) v1
P. 41

Halogen Level Requirements









        ➢ 0.2 – 5.0 mg/L (ppm) free chlorine


        ➢ Measured at a far point from the injection point


















     ➢ Test kits for analyzing chorine in potable water,

          such as the one illustrated here, must be

          readily available onboard.
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