Wyoming Administrative Code › Agency 010 - Agriculture, Dept. of › Sub-Agency 0008 - Public Swimming Pools › Chapter 1 - PURPOSE, VARIANCES, DEFINITIONS, AND OPERATOR REQUIREMENT › Section 1-7 - Applicability and Terms Defined

Current through July 13, 2024
(a) The following
				terms are defined and apply in the interpretation and application of these
				Regulations.
(i) "Abrasion hazard" means a
				sharp or rough surface or edge which could scrape the skin by chance during
				normal use.
(ii) "Accessible" means
				easily exposed for inspection and replacement of materials or parts with or
				without the use of tools.
(iii)
				"Actual water level" means the specific level of water observed at any
				time.
(iv) "Administrative meeting"
				means an informal meeting conducted by the Wyoming Department of Agriculture,
				or local board of health for the purpose of facilitating a mutually agreed upon
				plan of compliance for the license holder.
(v) "Air gap" means the unobstructed vertical
				distance through the free atmosphere between the lowest opening from an inlet
				pipe and the flood-level rim of a receptacle or floor drain.
(vi) "Air induction system" means:
(A) A system whereby a volume of air (only)
				is induced into a hollow ducting in a spa floor, bench, or other location;
				and
(B) The air induction system is
				activated by a separate air power blower, or other means.
(vii) "Algae" means microscopic plant-like
				organisms that contain chlorophyll and include green, blue-green or black,
				brown and yellow-green (mustard) algae.
(viii) "Algaecide" means a natural or
				synthetic substance used for killing, destroying, or controlling
				algae.
(ix) "Alkalinity" means a
				measure of the amount of bicarbonate, carbonate, or hydroxide compounds present
				in a water solution.
(x) "ANSI"
				means the American National Standards Institute.
(xi) "ANSI/NSPI-11991" means the American
				National Standards Institute and National Spa and Pool Institute, Standards for
				Public Swimming Pools.
(xii)
				"ANSI/NSPI-2" means the American National Standards Institute and National Spa
				and Pool Institute, Standards for Public Spas.
(xiii) "Approved" means acceptable to the
				regulatory authority based on determination of conformity with principles,
				practices, and generally recognized standards that protect public
				health.
(xiv) "ARC" means the
				American Red Cross.
(xv) "ASHRAE"
				means the American Society of Heating, Refrigeration and Air-Conditioning
				Engineers, Inc.
(xvi) "ASME" means
				the American Society of Mechanical Engineers.
(xvii) "ASTM" means the American Society of
				Testing Materials.
(xviii) "AWWA"
				means the American Water Works Association.
(xix) "Backwash" means the process of
				cleaning the filter medium and/or elements by the reverse flow of water through
				the filter.
(xx) "Barrier" means a
				fence, wall, or combination thereof, which completely surrounds the pool or spa
				and obstructs access to the pool or spa.
(xxi) "Bather" means any person using a pool,
				spa or similar installation and adjoining deck area for the purpose of water
				sports, recreation, therapy or related activities.
(xxii) "Bathhouse" means a structure that
				contains dressing rooms, showers and toilet facilities for use with an adjacent
				public pool.
(xxiii) "Bather load"
				means the number of persons in the pool, spa or similar installation at any
				given moment or during any stated period of time.
(xxiv) "Beginners area" means water areas in
				pools which are three (3) feet or less in depth.
(xxv) "Booster pump system" means:
(A) A system whereby one or more hydrotherapy
				jets are activated by the use of a pump which is completely independent of the
				filtration and heating system of a spa; or
(B) A device used to provide hydraulic
				support for certain types of equipment such as cleaning systems, gas
				chlorinators and solar systems.
(xxvi) "Breakpoint chlorination" means the
				addition of a sufficient amount of chlorine to water to destroy the combined
				compounds present.
(xxvii)
				"Bromine" means a chemical element that exists as a liquid in its elemental
				form or as part of a chemical compound which is a biological agent used to
				disinfect pool or spa water.
(xxviii) "Brominator" means a device to apply
				or deliver a bromine disinfectant to water at a controlled rate.
(xxix) "Cartridge" means a depth, pleated, or
				surface type filter component with fixed dimensions and designed to remove
				suspended particles from water flowing through the filter.
(xxx) "Catch basin" means bodies of water
				located at the termination of a manufactured water slide attraction provided
				for the specific purpose of terminating the slide action and providing a means
				for exit to a deck or walkway area.
(xxxi) "Certified Operator" means someone who
				has successfully completed the Certified Pool Operator (CPO) course sanctioned
				by the National Swimming Pool Foundation, the Aquatic Facility Operator (AFO)
				course sanctioned by the National Recreation and Park Association, the NSPI
				Tech I course sanctioned by the National Spa and Pool Institute Certification
				Program or an equivalent course approved by the regulatory authority; and who
				has been re-certified or obtained Continuing Education Units (CEU's), as
				required by the sanctioning organization.
(xxxii) "Chemical feeder" means a mechanical
				device used for applying chemicals to pool, spa or similar installation
				water.
(xxxiii) "Chloramine" means
				a compound formed when chlorine combines with nitrogen or ammonia which may
				cause eye and skin irritation and may have a strong objectionable
				odor.
(xxxiv) "Chlorinator" means a
				device used to apply or to deliver a chlorine sanitizer to water at a
				controlled rate.
(xxxv) "Chlorine"
				means:
(A) A chemical element that exists as
				a gas in its elemental form or as a part of a chemical compound which is an
				oxidant.
(B) Chlorine is a biocidal
				agent used to disinfect pool, spa or similar installation water.
(xxxvi) "Chlorine demand
				compounds" means organic matter, chloramine and other such compounds that
				chlorine reacts with and which depletes chlorine.
(xxxvii) "Chlorine generator" means equipment
				that generates chlorine, hypochlorous acid, or hypochlorite on-site for
				disinfection and oxidation of water contaminants.
(xxxviii) "Circulation equipment" means the
				mechanical components which are a part of a circulation system on a pool or
				spa.
(A) The components have separate
				functions, but when connected to each other by piping, perform as a coordinated
				system for purposes of maintaining pool or spa water in a clear, sanitary and
				desirable condition.
(B)
				Circulation equipment may include, but is not limited to:
(I) Categories of pumps;
(II) Hair and lint strainers;
(III) Filters;
(IV) Valves;
(V) Gauges;
(VI) Meters;
(VII) Heaters;
(VIII) Surface skimmers;
(IX) Inlet/outlet fittings; or
(X) Chemical feeding devices.
(xxxix) "Circulation
				system" means the arrangement of mechanical equipment or components, connected
				by piping to and from a pool or spa in a closed circuit.
(B) The circulation system function is to
				direct water from the pool or spa, causing it to flow through the various
				system components for purposes of:
(I)
				Clarifying;
(II) Heating;
(III) Purifying; and
(IV) Returning the water back to the original
				body of water.
(xl) "Clarifier" means:
(A) A chemical which coagulates and
				neutralizes suspended particles in water.
(B) Clarifier can also mean coagulant or
				flocculent.
(C) A clarifier is:
(I) Inorganic salts of aluminum or iron;
				or
(II) Water-soluble organic
				polyelectrolyte polymers.
(xli) "Combined residual chlorine" means:
(A) The portion of the total residual
				chlorine existing in water in chemical combination with ammonia, nitrogen,
				and/or organic compounds, mostly comprised of chloramine.
(B) Combined residual chlorine plus free
				residual chlorine equals total residual chlorine and is calculated from the
				results of measuring the free and total residual chlorine with a test
				kit.
(xlii) "Confirmed
				disease outbreak" means a food or water borne disease outbreak in which
				laboratory analysis of appropriate specimens identifies a causative agent and
				epidemiological analysis implicates the food or water as the source of the
				illness.
(xliii) "Contact
				concentration" means the concentration of a chemical in a flow of water.
(A) Contact concentration depends on:
(I) The rate of addition;
(II) The flow rate of the water;
				and
(III) The efficiency of the
				mixing.
(B) Contact
				concentration is calculated using the equation:
(I) Amount of chemical (grams/hour)/water
				flow rate (gpm) x 4.41 = contact concentration (mg/L).
(xliv) "Contaminant" means any
				physical, chemical, biological or radiological substance or matter in
				water.
(xlv) "Coping" means the cap
				on a pool or spa wall which provides a finishing edge around the pool or spa.
(A) Coping may be:
(I) Formed;
(II) Cast in place or pre-cast; or
(III) Pre-fabricated from metal, ceramic or
				plastic materials.
(xlvi) "Cove" means the radius between the
				pool or spa wall and the pool or spa floor.
(xlvii) "Covers" means material or structure
				which covers, protects, or shelters a pool or spa.
(xlviii) "CPSC" means United States Consumer
				Product Safety Commission.
(xlix)
				"Critical item."
(A) "Critical item or
				critical violation" means a provision of these Regulations, that, if in
				noncompliance, is more likely than other violations to contribute to water
				contamination, illness, or an environmental health or safety hazard.
(l) "Cross connection" means:
(A) The physical connection between the
				potable water system and a non-potable water source such as a pool or spa;
				or
(B) A physical connection
				between a pool or spa and the sanitary sewer or waste water disposal system.
(li) "Cyanuric acid"
				also called stabilizer, isocyanuric acid, conditioner or triazinetrione means a
				chemical which helps reduce the excess loss of chlorine in water due to the
				ultraviolet rays of the sun.
(lii)
				"Deck" means an area immediately adjacent to or attached to a pool, spa or
				similar installation which are specifically constructed or installed for
				sitting, standing or walking.
(liii) "Deep areas" means water depths in
				excess of five (5') feet.
(liv)
				"Department" means the Wyoming Department of Agriculture.
(lv) "Depth" means the vertical distance
				measured at three (3) feet from the pool, spa or similar installation wall from
				the bottom of the pool, spa or similar installation to the design water level.
(lvi) "Design water level" means
				the design water level defined in one of the following ways:
(A) Skimmer system:
(I) The design water level shall be at the
				midpoint of the operating range of the skimmer.
(B) Overflow system:
(I) The design waterline shall be the top of
				the overflow rim of the gutter system.
(lvii) "Diatomite" means the filtering medium
				of a diatomaceous earth filter composed of microscopic fossil skeletons of the
				diatom, a tiny freshwater aquatic plankton.
(lviii) "Director" means the director of the
				Wyoming Department of Agriculture or his duly authorized representative.
(lix) "Disinfectant" means any
				oxidant, including but not limited to, chlorine, chlorine dioxide, chloramines
				and ozone added to water in any part of the treatment or distribution process
				that is intended to kill or inactivate pathogenic microorganisms.
(lx) "Diving board" means a recreational
				mechanism for entering a pool, consisting of a semi-rigid board which derives
				its elasticity through the use of a fulcrum mounted below the board.
(lxi) "Diving equipment, competition" means
				competitive diving boards and fulcrum setting diving stands intended to provide
				adjustment for competitive diving.
(lxii) "DPD" means diethyl-phenylene diamine.
(B) DPD is a reagent and test method which
				specifically measures bromine or free available and total residual
				chlorine.
(C) DPD produces a series
				of colors from pale pink to dark red.
(lxiii) "Effective filter area" means the
				total surface area through which the designed flow rate will be maintained
				during filtration.
(lxiv)
				"Effluent" means the water that flows out of the filter, pump or other
				device.
(lxv) "Employee" means the
				license holder, person in charge, person having supervisory or management
				duties, person on the payroll, family member, volunteer, person performing work
				under contractual agreement, or other person working in a public swimming pool,
				spa or similar installation.
(lxvi) "EPA" means the U.S. Environmental
				Protection Agency.
(lxvii)
				"Equalizer line" means a pipe from below the water level in a swimming pool or
				spa to the body of the skimmer which is designed to automatically prevent air
				from being drawn into the pump when the water level drops below the skimmer
				inlet.
(lxviii) "Facility" means
				the pool, spa, or similar installation, restroom, dressing rooms, equipment
				rooms, deck enclosure, and other appurtenances directly serving the pool, spa
				or similar installation.
(lxix)
				"Feet of head" means the basis for indicating the resistance in a hydraulic
				system, equivalent to the height of a column of water that would cause the same
				resistance (100 feet of head equals 43.29 pounds per square inch). The total
				dynamic head is the sum of all resistances in a complete operating
				system.
(lxx) "Filter" means a
				device designed to remove undissolved particles from water by recirculating the
				water through a porous substance (a filter medium or element) such as:
(A) A medium filter which is a filter that
				utilizes a medium such as sand, gravel or other medium that under normal use
				will not have to be replaced frequently;
(B) A diatomaceous earth filter which is a
				filter that utilizes a thin coating of diatomaceous earth over a porous
				substructure as its filter medium;
(C) A cartridge filter which is a filter that
				utilizes a porous element that acts as a filter medium in a cartridge,
				or
(D) A vacuum filter which is a
				filter that operates under a vacuum from the suction pump.
(lxxi) "Filter medium" means a
				finely graded material, such as sand, diatomaceous earth, polyester fabric or
				anthracite, used to trap solid particles from the influent water and return
				clear water to the pool, spa or similar installation.
(lxxii) "Flotation tank" means a tank
				designed for body immersion in skin-temperature salt water.
(lxxiii) "Flow rate" means the same as the
				definition of "rate of flow."
(lxxiv) "Flow-through pool" means an
				artificial or partially-artificial pool that depends on the natural flow of
				water through it to maintain adequate water quality.
(lxxv) "Flume" means a recreational water
				slide designed to provide a descending ride into a plunge-pool at the base of
				the slide.
(lxxvi) "Free available
				chlorine" means the portion of the total residual chlorine remaining in
				chlorinated water that is not combined with ammonia or nitrogen compounds and
				will react chemically with undesirable or pathogenic organisms.
(lxxvii) "General-use public pool" means any
				pool other than limited-use public pools.
(A)
				Public pools operated in conjunction with a companion facility but not limited
				to use of the residents, patrons or members of the companion facility are
				general-use pools.
(lxxviii) "Handrail" means a device which may
				be gripped by a user for the purpose of resting or steadying themselves.
(A) A handrail may be located, but is not
				limited to:
(I) Within or without the pool or
				spa; or
(II) As part of a set of
				steps or deck-installed equipment.
(lxxix) "Hardness" means the amount of
				calcium and magnesium salts dissolved in water.
(A) Hardness is measured by a test kit and
				expressed as parts per million (ppm) of equivalent calcium carbonate.
(lxxx) "Health Officer" means the
				person appointed by the director of the Department of Health pursuant to
				W.S.
				9-2-101(f) and
				9-2-103.
(lxxxi) "Heat exchanger" means a device with
				coils, tubes or plates that absorb heat from any fluid, liquid or air, and
				transfers that heat to another fluid without intermixing the fluids.
(lxxxii) "Heat pump" means a refrigeration
				compressor, usually electrically driven, that is operated in reverse.
(A) A heat pump obtains heat by exposing the
				evaporator side (cooling side) to warm water, air or ground; and
(B) The evaporator coil absorbs the heat from
				this source and transfers it to the condenser coil where it discharges the heat
				to the pool, spa or similar installation to be heated.
(lxxxiii) "Hydrotherapy spa" means a unit
				that may have a therapeutic use but which is not drained, cleaned or refilled
				for each individual.
(A) A hydrotherapy spa
				may include but is not limited to:
(V)
				Hydrotherapy jet circulation;
(VI)
				Hot water;
(VII) Cold
				water;
(VIII) Mineral
				baths;
(IX) Air induction bubbles;
				or
(X) Any combination
				thereof.
(B) A
				hydrotherapy spa includes, but is not limited to:
(I) A therapeutic pool;
(II) A hydrotherapy pool;
(III) A whirlpool;
(IV) A hot spa; or
(V) A hot tub.
(lxxxiv) "Hot tub" means a spa
				constructed of wood with sides and bottoms formed separately and joined
				together by pressure from surrounding hoops, bands or rods, distinct from spa
				units formed of plastic, concrete, metal or other materials.
(lxxxv) "IESNA" means the Illuminating
				Engineering Society of North America.
(lxxxvi) "Influent" means water entering a
				filter or other device.
(lxxxvii)
				"Jump board" means a recreational mechanism used for entering a pool that has a
				coil spring or comparable device located beneath the board which is activated
				by the force exerted in jumping on the board.
(lxxxviii) "Labeled" means:
(B) Equipment or material to which has been
				attached a label, symbol, or other identifying mark of an organization that is
				acceptable to the regulatory authority and concerned with product evaluation
				that maintains periodic inspection of production labeled equipment of
				materials; and
(C) By whose
				labeling the manufacturer indicates compliance with appropriate standards or
				performance in a specified manner.
(lxxxix) "Ladder" means:
(A) A deck ladder used in ascending from
				ground level outside a pool, spa or similar installation to the level of a
				deck; or
(B) An in-pool or in-spa
				ladder located in a pool, spa or similar installation to provide ingress and
				egress from the deck.
(xc) "Law" means applicable local, state, and
				federal statutes, rules, regulations, and ordinances.
(xci) "License" means the document issued by
				the regulatory authority that authorizes a person to operate a public swimming
				pool, spa or similar installation.
(xcii) "License holder" means the entity
				that:
(A) Is legally responsible for the
				operation of the public swimming pool, spa or similar installation such as the
				owner, the owner's agent, or other person; and
(B) Possesses a valid license to operate a
				public swimming pool, spa or similar installation.
(xciii) "Lifeguard" means an individual
				qualified in water safety, lifesaving, and first aid who holds the appropriate
				certificates approved by the regulatory authority.
(xciv) "Limited-use public pool" means any
				pool located at and operated in connection with a companion facility but not
				limited to, such as:
(A) A residential
				housing facility having four or more living units;
(B) Travelers' accommodations;
(C) Mobile home parks;
(D) Recreation parks;
(E) Boarding schools;
(F) Organizational camps;
(G) Bed and breakfasts;
(H) Dude ranches; or
(I) A club or association where use of the
				pool is limited to residents, patrons or members of the companion facility.
(xcv) "Listed" means:
(A) Equipment or materials included in a list
				published by an organization acceptable to the regulatory authority and
				concerned with product evaluation, that maintains inspection of production of
				listed equipment or materials; and
(B) Whose listing states either that the
				equipment or material meets appropriate designated standards or has been tested
				and found suitable for use in a specified manner.
(xcvi) "Multiport control valve" means a
				multi-port valve having a number of control positions for various filter
				operations that combines in one unit the function of two (2) or more single
				valves.
(xcvii) "NRPA" means the
				National Recreation and Park Association.
(xcviii) "NSPF" means the National Swimming
				Pool Foundation.
(xcix) "NEC" means
				the National Electrical Code.
(c)
				"NEMA" means the National Electric Manufacturers Association.
(ci) "NFPA" means the National Fire
				Protection Association.
(cii)
				"Non-swimming area" means any portion of a pool or similar installation where
				the water depth, offset ledges or similar irregularities would prevent normal
				swimming activities.
(ciii) "NSFI"
				means the National Sanitation Foundation International.
(cvi) "Operating water level range" means the
				operating water level defined in one of the following, according to the type of
				pool construction:
(A) Skimmer system - two
				(2) inches above to two (2) inches below the midpoint of the operating range of
				the skimmer throat, or manufacturer's maximum stated operating range;
				or
(B) Overflow gutter system - the
				manufacturer's maximum stated operating range above the design of water level.
(cvii) "Organic matter"
				means perspiration, urine, fecal matter, saliva, suntan oil, cosmetics,
				lotions, dead skin, and similar debris introduced into water by bathers and the
				environment.
(cviii) "ORP" means
				the oxidation reduction potential level produced by strong oxidizing,
				sanitizing, or similar agents in a water solution.
(A) The oxidation level is measured in
				millivolts by an ORP meter.
(cix) "Overflow system" means overflows,
				gutters, surface skimmers, and surface collection systems of various design and
				manufacture used for removal of pool or spa water.
(cx) "Parts per million (ppm)" means a unit
				of measurement in chemical testing which indicates the parts by weight in
				relation to one (1) million parts by weight of water.
(A) Parts per million as applied to pool and
				spa water chemistry is identical to the term milligrams per liter (mg/l).
(cxi) "Person" means an
				individual, partnership, corporation, association, other legal entity,
				government, or governmental subdivision or agency.
(cxii) "Person in charge" means the
				individual present at a public swimming pool, spa or similar installation who
				is responsible for the operation at the time of inspection.
(cxiii) "Personal care items" means items or
				substances that may be poisonous, toxic, or a source of contamination and are
				used to maintain or enhance a person's health, hygiene, or appearance.
(A) "Personal care items" include items such
				as medicines; first aid supplies; and other items such as cosmetics, and
				toiletries such as toothpaste and mouthwash.
(cxiv) "pH" means the symbol for the negative
				logarithm of the hydrogen ion concentration, which is a measure of the degree
				of acidity or alkalinity of a solution. Values between zero (0) and seven (7)
				indicate acidity and values between seven (7) and fourteen (14) indicate
				alkalinity. The value for pure distilled water is seven (7), which is
				considered neutral.
(cxv) "Physical
				facilities" means the structure and interior surfaces of a public swimming
				pool, spa or similar installation including accessories such as soap and towel
				dispensers and attachments such as light fixtures and heating or air
				conditioning system vents.
(cxvi)
				"Plaster" means:
(A) A mixture of white
				cement and aggregate used as a type of interior finish, which is white or
				lightly tinted; and
(B) Is applied
				to a concrete pool, spa or similar installation.
(cxvii) "Plumbing fixture" means a receptacle
				or device that:
(A) Is permanently or
				temporarily connected to the water distribution system of the premises and
				demands a supply of water from the system; or
(B) Discharges used water, waste materials,
				or sewage directly or indirectly to the drainage system of the premises.
(cxviii) "Plumbing
				system" means the water supply and distribution pipes; plumbing fixtures and
				traps; soil, waste, and vent pipes; sanitary and storm sewers and building
				drains, including their respective connections, devices, and appurtenances
				within the premises; and water-treating equipment.
(cxix) "Plummet" means a line perpendicular
				to the water surface and extending vertically to a point located at the front
				of the diving board and at the center line directly in front of the diving
				board.
(cxx) "Plunge pool" means
				the pool located at the lower end of a flume.
(cxxi) "Poisonous or toxic materials" means
				substances that are not intended for ingestion and are included in the
				following four (4) categories:
(A) Cleaners
				and sanitizers, which include cleaning and sanitizing agents and agents such as
				caustics, acids, drying agents, polishes, and other chemicals;
(B) Pesticides except sanitizers, which
				include substances such as insecticides and rodenticides;
(C) Substances necessary for the operation
				and maintenance of the establishment such as non-food grade lubricants and
				personal care items that may be deleterious to health; and
(D) Substances that are not necessary for the
				operation and maintenance of the establishment and are on the premises for
				retail sale, such as petroleum products and paints.
(cxxii) "Pool" means an artificial structure
				containing water used for swimming, bathing, diving, surfing, wading or a
				similar use and is operated by an owner, lessee, operator, licensee, or
				concessionaire regardless of whether a fee is charged for use.
(cxxiii) "Precipitate" means a solid material
				which is forced out of a solution by some chemical reaction and which settles
				out or remains as a haze in suspension causing turbidity.
(cxxiv) "Premises" means:
(A) The physical facility, its contents, and
				the contiguous land or property under the control of the license holder;
				or
(B) The physical facility, its
				contents, and the land or property not described under Subparagraph (A) of this
				definition, if its facilities and contents are under the control of the license
				holder and may impact the facility personnel, facilities, or operations, if the
				facility is only one component of a larger operation such as a health care
				facility, hotel, motel, school, recreational camp, or prison.
(cxxv) "Private-use pool" means
				any constructed pool, permanent or portable, which is intended for
				noncommercial use as a swimming pool by not over three owner families and their
				guests, and which:
(A) Is over twenty-four
				inches (24") in depth; and
(B) Has
				a surface area exceeding two-hundred fifty (250) square feet; or
(C) A volume over three-thousand two-hundred
				fifty (3,250) gallons.
(cxxvi) "PSI" means pounds per square
				inch.
(cxxvii) "Public pool" means
				a pool that is open to the public or a segment of the public.
(cxxviii) "Public water system" has the
				meaning stated in 40 CFR
				141 National Primary Drinking Water
				Regulations, as amended.
(cxxix)
				"Pump" means a mechanical device, usually powered by an electric motor, which
				causes hydraulic flow and pressure for the purpose of filtration, heating, and
				circulation of pool, spa and similar installation water.
(cxxx) "Rate of flow" means the quantity of
				water flowing past a designated point within a specified time, such as the
				number of gallons flowing in during one minute.
(cxxxi) "Rated pressure" means pressure that
				is equal to or less than the designed pressure and appears on the date plate of
				the equipment.
(cxxxii) "Recessed
				treads" mean a series of vertically spaced cavities in the pool, spa or similar
				installation wall creating tread areas for stepholes.
(cxxxiii) "Recreational water" means a
				facility or area together with associated buildings, appurtenances and
				equipment, in conjunction with artificial or natural ponds, springs, lakes,
				streams, or other bodies of water that is designated for public bathing,
				recreational and swimming use.
(cxxxiv) "Regulatory authority" means the
				local, state, or federal enforcement body or authorized representative having
				jurisdiction over the public swimming pool, spa or similar
				installation.
(cxxxv) "Removable"
				means capable of being disassembled with the use of only simple tools such as a
				screwdriver, pliers or wrench.
(cxxxvi) "Return inlet" means the aperture or
				fitting through which the water under positive pressure returns into a pool,
				spa or similar installation.
(cxxxvii) "Return piping" means piping which
				is referred to as effluent.
(cxxxviii) "Ring buoy" means a ring-shaped
				floating buoy capable of supporting a bather and having an outside diameter of
				twenty (20) inches.
(cxxxix)
				"Risk" means the likelihood that an adverse health effect will occur within a
				population as a result of a hazard in the water of a public swimming pool, spa
				or similar installation.
(cxl)
				"Rope and float line" means a continuous line not less than one- half
				(½) inch in diameter, which is supported by buoys and attaches to
				opposite sides or ends of a pool to separate the deep and shallow ends or mark
				exercise or racing lanes.
(cxli)
				"Scale" means the precipitate that forms on surfaces in contact with water when
				the calcium hardness, pH, or total alkalinity levels are too high.
(cxlii) "Self-closing or self-latching" means
				a device which causes a gate to automatically fully close and latch without
				human or electrical power.
(cxliii)
				"Separation tank" means a tank used in conjunction with a filter to facilitate
				the separation of filtrate material for disposal.
(cxliv) "Sewage" means liquid waste
				containing animal or vegetable matter in suspension or solution and may include
				liquids containing chemicals in solution.
(cxlv) "Shallow areas" means pool water areas
				which are less than five (5) feet deep.
(cxlvi) "Shock treatment" means the practice
				of adding significant amounts of an oxidizing chemical to water to destroy
				ammonia, nitrogenous and organic contaminants in the water.
(cxlvii) "Skimmer weir" means the part of a
				skimmer which adjusts automatically to small changes in water level to assure a
				continuous flow of water to the skimmer.
(cxlviii) "Slide" means a slide used in
				conjunction with a pool twelve feet (12) or (3.66m) or less in height above the
				pool water surface.
(cxlix) "Slip
				resistant" means a surface which has been treated or constructed to
				significantly reduce the chance of a bather slipping.
(cl) "Sodium hypochlorite (NaOCl)" means a
				clear liquid form of an inorganic chlorine compound obtainable in
				concentrations of five (5) to one-hundred sixty (160) per zero (0) available
				chlorine.
(cli) "Spa pool" means a
				bathing facility such as, but not limited to, a hot tub or whirlpool designed
				for recreational or therapeutic use and not designed to be drained, cleaned,
				and refilled for each use.
(A) Spas are
				designed to provide a means of agitation, and includes, but is not limited to:
(I) Hydrojet circulation;
(II) Hot water;
(III) Cold water;
(IV) Mineral baths;
(V) Air induction systems; or
(VI) Any combination thereof.
(clii) "Stabilizer"
				means a chemical which helps reduce the excess loss of residual chlorine in
				water due to the ultraviolet rays of the sun.
(cliii) "Steps" mean:
(A) A riser or tread or a series of risers or
				treads extending down from the deck and terminating at the pool or spa
				floor.
(B) Steps may include
				recessed steps that have the risers located outside of user areas.
(cliv) "Suction piping" means
				piping which is referred to as influent.
(clv) "Suction outlet" means the aperture or
				fitting through which the water under negative pressure is drawn from the pool,
				spa or similar installation.
(clvi) "Superclorination" means:
(A) The practice of adding a sufficient
				amount of a chlorinating compound to water to destroy chlorine demand compounds
				and any combined chlorine which is present.
(II) The level of chlorine added is generally
				ten (10) times the level of combined residual chlorine in the water.
(clvii) "Surface
				skimmer system" means a device installed in the wall of an in-ground pool, spa
				or similar installation which permits the continuous removal of floating debris
				and surface water to the filters.
(A) A
				surface skimmer system may have the same meaning as a "through-wall system".
(clviii) "Swimming
				pool" means a body of water, other than a natural swimming area, maintained
				exclusively for swimming, recreative bathing or wading, and includes
				appurtenances used in connection with the swimming pool.
(clix) "Temperature measuring device" means a
				thermometer, thermocouple, thermistor, or other device that indicates the
				temperature of food, air, or water.
(clx) "Test kit" means a device for
				monitoring or measuring a specific chemical level in a pool, spa or similar
				installation water.
(clxi) "This
				act" means W.S. W.S.
				W.S.
				35-28-101 through
				35-28-110.
(clxii) "Time clock" means a mechanical
				device that automatically controls the periods which a pump, filter,
				chlorinator, heater, blower and other electrical devices are in the on
				position.
(clxiii) "Total
				alkalinity" means:
(A) The ability or
				capacity of water to resist change in pH.
(B) Total alkalinity is also known as the
				buffering capacity of water, and consists mainly of carbonates, bicarbonates
				and hydroxides.
(C) Total
				alkalinity is measured with a test kit and expressed as parts per million
				(ppm).
(clxiv) "Total
				available chlorine" means the sum of both the free available and combined
				chlorine.
(clxv) "Total dissolved
				solids" means a measure of the total amount of dissolved matter in water
				including but not limited to:
(A)
				Calcium;
(B) Magnesium;
(C) Carbonates;
(D) Bicarbonates; or
(E) Metallic compounds
(clxvi) "Turbidity" means a cloudy condition
				of water due to the presence of extremely fine particulate materials in
				suspension which interfere with the passage of light.
(clxvii) "Turnover rate" means the period of
				time, usually in hours, required to circulate a volume of water equal to the
				pool, spa or similar installation capacity.
(clxviii) "UFC" means the Uniform Fire Code.
(clxix) "Underwater light" means:
(A) A fixture designed to illuminate a pool,
				spa or similar installation from beneath the water surface.
(B) A underwater light includes the
				following:
(I) A wet niche light.
(1.) A watertight and water-cooled light unit
				placed in a submerged, wet niche in the pool, spa or similar installation wall;
				or
(II) A dry niche
				light.
(1.) A light unit placed behind a
				watertight window in the pool, spa or similar installation wall.
(clxx) "UL"
				means Underwriters Laboratory.
(clxxi) "Vacuum" means:
(A) The reduction of atmospheric pressure
				within a pipe, tank, pump or other vessel.
(B) Vacuum is measured in inches of mercury.
(I) One (1") inch of mercury is equivalent to
				one point thirteen (1.13') feet of head.
(II) The practical maximum vacuum is thirty
				(30) inches of mercury or 33.9 feet of head.
(clxxii) "Valve" means:
(A) Any device in a pipe that will partially
				or totally obstruct the flow of water as in a ball, gate or globe valve, or
				permit flow in one direction only, as in a check or foot valve.
(B) Valve types include:
(I) Bleeder valve, a device which allows air
				to be vented from a closed system;
(II) Multi-port valve, a device which allows
				the multi-directional control of the passage or flow of water through a system;
				or
(III) Push-pull valve, a device
				which allows the dual directional control or flow of water through a system.
(clxxiii)
				"Variance" means a written document issued by the Wyoming Department of
				Agriculture that authorizes a modification or waiver of one or more
				requirements of these Regulations if, in the opinion of the regulatory
				authority, a health or safety hazard or nuisance will not result from the
				modification or waiver.
(clxxiv)
				"Velocity" means the speed at which a liquid flows between two specified
				points, expressed in feet per second.
(clxxv) "Wading pool" means a pool that
				contains water two (2) feet, (6m) or less in depth.
(clxxvi) "Walls" mean the interior pool, spa
				or similar installation wall surfaces consisting of surfaces from plumb to a
				slope of eleven (11) degrees from plumb.
(clxxvii) "Waste water disposal system" means
				a plumbing system used to dispose of backwash or other water from a pool, spa
				or similar installation or from dressing rooms and other facilities associated
				with a pool, spa or similar installation.
(clxxviii) "Waterline" means, when associated
				with:
(A) A skimmer system:
(I) The waterline at the midpoint of the
				operating range of the skimmers when there are no users in the pool, spa or
				similar installation; or
(B) An overflow system:
(I) The waterline at the top of the overflow
				rim.
(clxxix) "Wave pool" means a pool with
				artificial waves designed to be used for body or board surfing.
(clxxx) "Zero depth pool" means a pool in
				which the pool floor intersects the water surface along at least one side of
				the pool.