(1) The Commissioner of Public Health is authorized, when funds are made available by City Council for such purpose, to introduce fluorine into the City’s water supply with co-operation of the Water Department, in such quantities as may in his judgment be safe, but in no event to exceed one part of fluorine per one million parts of water, by weight.

(2) The Health Commissioner is directed to make application to the Department of Health of the Commonwealth of Pennsylvania for permission to introduce fluorine into the City’s water supply.