23. The person in charge of a distribution system that supplies chlorinated water must, during each sampling collected pursuant to section 11, measure the concentration of free residual disinfectant in a water sample collected for that purpose and enter the result in the analysis request form that complies with the model provided by the Minister. Where the water supplied is chloraminated water, the person in charge must measure the concentrations of free and total residual disinfectant.
O.C. 647-2001, s. 23; O.C. 467-2005, s. 21; O.C. 70-2012, s. 31.