18 AAC 30.540. Disinfection

(a) Disinfectant must be added to the pool water return line downstream of other equipment and as far from the pool as possible.

(b) If gas chlorine is used for disinfection, the gas chlorinator and cylinder must be operated from a separate heat-controlled, outside room located at or above ground level, with a door that opens only from the outside. The chlorine room must be clearly marked and vented by a fan which draws from floor level and discharges at a point at least seven feet high and opposite the doorway. The discharge point must not contaminate other air vents, and must not present a hazard to users of the pool natatorium. In addition,

(1) a chlorine room must be nearly airtight, except for ventilation, and must be built of corrosion-resistant materials;

(2) a chlorine room must have a shatterproof, airtight inspection window;

(3) the minimum air exchange rate must be one chlorine room volume per minute;

(4) electrical switches for lights and fan must be outside the chlorine room door;

(5) platform scales, a self-contained breathing apparatus (air pack), and a chlorine cylinder repair kit must be provided; the air pack must be stored outside the chlorine room and be available for emergency use; at least one pool attendant or lifeguard familiar with the air pack operation must be on site whenever the pool is open for public use;

(6) new and unused gaskets must be used each time a chlorine cylinder is changed;

(7) chlorine cylinders must be stored upright and secured by chains, and must have protective hoods in place when not in use; and

(8) a chlorine leak detector such as bottled commercial strength (26 degree Baume) ammonia must be in the chlorinator room.

History: Eff. 6/4/83, Register 86; am 12/23/93, Register 128

Authority: AS 44.46.020

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