Section 18 AAC 30.590 - DefinitionsIn this chapter
(1) "automatic sensor control" means a mechanical device that regulates the amount of disinfectant that needs to be added to the water based on the measurement of the disinfectant residual level;(2) "balancing tank" means a watertight tank that can be incorporated into the gutters of a pool's overflow system and is designed to contain pool water displaced by bathers;(3) "bather periods" means the sum of all minutes spent by each bather in a spa, divided by 20 minutes;(4) "continuous disinfection" means that disinfectant is mechanically dispensed or provided to a pool or spa by a continuous disinfection system;(5) "continuous disinfection system" means a system consisting of a chemical tank, chemical feeder, and device to regulate the flow of disinfectant into a spa or pool water return line;(6) "deck" means the walkway area surrounding a swimming pool and intended for use by bathers;(7) "department" means the Alaska Department of Environmental Conservation;(8) "diatomaceous earth" means that filtering material made of the siliceous cells of finely pulverized diatoms;(9) "fill and draw pool" means a swimming pool where the principal means of cleaning is the complete draining of the pool and subsequent replacement of water from a fill source;(10) "flotation tank" means a watertight tank designed to accommodate a bather in a solution of water and either sodium chloride or epsom salt;(11) "flow-through pool" means a swimming pool in which the water from a fill source constantly enters the pool to replace an equal amount of water constantly being drained from the pool;(12) "lifeguard chair" means an elevated chair located to provide a clear, unobstructed view of the pool bottom in the area under surveillance;(13) "natatorium" means a complex consisting of a pool and decks;(14) "pool" means a public swimming pool;(15) "public swimming pool" means a swimming pool with a depth of two feet or more at any point, operated by an owner, agent, lessee, operator, licensee, or concessionaire, and intended for public use for swimming, diving, or recreational bathing with or without a fee;(16) "sanitary facility" means a flush toilet, urinal, handsink, or shower;(17) "spa" means a contained pool or water with a depth of no more than 3.28 feet, other than a residential spa or hot tub, that is designed for recreational or therapeutic use and is operated by an owner, lessee, operator, or concessionaire, with or without a fee; a spa may be an individual unit or may be a unit integrated into a pool; the term "spa" includes a hot tub and a whirlpool;(18) "turnover" means the amount of time required for a volume of water equal to the volume of the pool to circulate through the filtration and disinfection systems.Eff. 6/4/83, Register 86; am 12/23/93, Register 128As of Register 131, October 1994, the text of 18 AAC 30.590(3) changed slightly due to minor technical corrections made by the regulations attorney.