Where devices for feeding gaseous chlorine are installed, they shall meet with the requirements of the city and state health requirements.
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28 1/2-36)
Each gaseous chlorinator shall meet the following minimum requirements:
(1) 
Injector-operation type.
(2) 
Vacuum or semivacuum operation type. (Pressure feed machine will not be accepted).
(3) 
The chlorine feed shall be in water solution.
(4) 
Machines shall be equipped with pressure and vacuum relief vent.
(5) 
Arrangements shall be made for reading the rate of chlorine feed in pounds per twenty-four (24) hours.
(6) 
Chlorinators shall be constructed to automatically shut off the gas in case of vacuum failure.
(7) 
Each chlorinator shall be provided with a water pressure gauge.
(8) 
A pressure gauge shall be provided to register chlorine cylinder pressure.
(9) 
The water supply line shall be provided with a control valve and a strainer.
(10) 
Backflow protection shall be provided when the water supply is connected to the potable water service.
(11) 
Where the water supply pressure is less than that necessary to operate the chlorinator at its maximum rated capacity, a booster pump shall be provided.
(12) 
The supply of gaseous chlorine shall be stored as prescribed by the city health officer.
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28 1/2-37)