Equipment shall be provided for the disinfection of all pool water by the use of chlorine compounds, and shall have sufficient capacity to maintain a minimum free chlorine residual of 0.5 parts per million. The disinfectant shall be introduced into the recirculation system ahead of the filters. Gaseous chlorination systems shall not be used for disinfecting pool water. A test kit with permanent color standards shall be provided at all pools and be used at frequent intervals to check the adequacy of chlorine treatment.
(Ord. 179-62, passed 7-17-62)