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A. Disinfecting Agents. Effective water disinfection shall be provided and maintained in all pools. This shall be accomplished by chlorination or other approved methods which will effectively maintain in the pool water an adequate, readily measurable residual amount of the disinfectant introduced into the water. The use of chlorinated cyanurate for disinfection and stabilization is permitted but chlorine-ammonia disinfection is not permitted. The addition of undissolved or gaseous disinfectant directly into the pool is prohibited.
B. Gaseous Disinfectants. When gaseous chlorine is used, the following additional features shall be provided: in addition to the requirements of subsection A of this section, the use of gaseous chlorine is subject to all of the requirements set forth in Appendix D of the ordinance codified in this section, on file and available for public inspection with the county health department, and the following:
1. The chlorine and chlorinating equipment shall be located in a separate well-ventilated enclosure on or above the ground. The door of the chlorine enclosure shall open to the outside and shall not open directly toward the pool. If chlorination equipment is placed in a room, an exhaust fan or gravity ventilation system shall be provided. Mechanical exhausters shall take suction six inches or less above the floor and discharge to a safe outside location. Gravity ventilation shall be constructed so as to discharge to the outside from floor level. Fresh air intakes shall be located no closer than three feet above the ventilation discharge. In all cases, the chlorine room exhausts shall be directed away from the pool to an area which is normally unoccupied. Chlorine room fans must run continuously and be capable of completely changing the air in the room ten times per hour.
2. Chlorine cylinders shall be securely anchored to prevent their falling. Keys shall be maintained on the chlorine cylinder so the supply can be shut off quickly in the case of an emergency.
3. A sign must be placed on the outside of the door which reads "DANGER, CHLORINE ROOM."
4. The device shall be a solution-feed type, capable of delivering chlorine at its maximum rate without releasing chlorine gas to the atmosphere.
5. The chlorinators shall be designed to prevent the backflow of water into the chlorine solution container.
C. Liquid Disinfectants. Hypochlorite solutions shall be fed by an acceptable type of hypochlorinator.
D. Dry Disinfections. Granular, tablet, stick and other forms of dry disinfectant shall be fed by an adjustable automatic feeding device.
(Ord. 1990-81 § 8, 1990: Ord. 1984-42 (part), 1984: prior code § 23.60.010(Q))