Chlorination shall be accomplished in such manner that the amount of excess or residual chlorine in all parts of the pool at all times when the pool is in use shall not be less than four- tenths of a part per million or more than three parts per million. The pH of the water shall be set between 7.6 and 8. Where a gas chlorinator is used, it shall be installed in an enclosure other than a dwelling or attached garage and vented to the outside by louvers or forced ventilation, subject to the approval of the Inspector of Buildings.
(Ord. 1959-45. Passed 9-2-59.)