ATCP 76.12(1)(a)6.6. For chemicals used for the primary purpose of controlling microbial or algal growth, the United States environmental protection agency registration number. Pf ATCP 76.12(1)(b)(b) Erosion feeders. For chemicals used with erosion feeders, only the name of the chemical need be provided on the label. P ATCP 76.12(2)(2) Chemical storage and chemical storage areas. Chemical storage and chemical storage areas shall meet all of the following: ATCP 76.12(2)(a)(a) Original container. Chemicals shall be stored in the original or a properly labeled container. Pf ATCP 76.12(2)(b)(b) Location. Chemicals shall be covered and kept in a clean, dry, well ventilated, and locked area away from flammables, incompatible chemicals, and heat sources. P ATCP 76.12(2)(c)(c) Separation. Oxidizers shall be stored separately from acids.P ATCP 76.12(2)(d)(d) Access. Only authorized personnel shall have access to a chemical storage area. P ATCP 76.12(2)(e)(e) Chlorine gas. Chemicals shall not be stored in a chlorine gas storage area. P ATCP 76.12(2)(h)(h) Ventilation. Ventilation in chemical storage areas shall comply pursuant to ch. SPS 364, as enforced by the Wisconsin department of safety and professional services. Pf ATCP 76.12(2)(i)(i) Doors. Doors to chemical storage areas shall be locked and marked to indicate entry is for authorized personnel only. Pf ATCP 76.12(2)(j)(j) Emergency telephone numbers. A list of emergency telephone numbers shall be in the chemical storage area or be readily accessible. Pf ATCP 76.12 NoteNote: For pools with liquid disinfectant and acid it is strongly encouraged to provide secondary containment in the chemical storage area.
ATCP 76.12(3)(3) Mixing of chemicals. The mixing of chemicals shall meet all of the following: ATCP 76.12(3)(a)(a) Added to water. A chemical solution shall be added to water, not by adding water to the chemical. P ATCP 76.12(3)(b)(b) Separately added. Each chemical or chemical solution shall be separately added to the water. P ATCP 76.12(3)(c)(c) Restriction of patrons. Patrons shall not be in the pool when chemicals are added directly into the pool basin. P ATCP 76.12(4)(a)(a) Smoking. Smoking by anyone handling chemicals or by anyone within the immediate vicinity of chemicals being mixed is prohibited. P ATCP 76.12(4)(b)1.1. For each chemical used, a safety data sheet shall be readily accessible to staff and the department or its agent. Pf ATCP 76.12 NoteNote: For example, the operator may keep the safety data sheet in a binder or on a computer as long as the operator or designated representative has immediate access to the information without leaving the pool area.
ATCP 76.12(4)(b)2.2. A paper back-up of the safety data sheet shall be available for rapid access in the case of a power outage or other emergency.Pf ATCP 76.12(4)(b)3.3. Staff shall be trained in the use of the safety data sheet and where they are located. Pf ATCP 76.12 HistoryHistory: CR 22-021: cr. Register June 2023 No. 810, eff. 9-24-23. ATCP 76.13ATCP 76.13 Chemical feeders and filter aid equipment. ATCP 76.13(1)(1) General. Chemical feeders and filter aid equipment shall be all of the following: ATCP 76.13(1)(a)(a) Installed. Installed according to the manufacturer’s directions. ATCP 76.13(1)(b)(b) Used. Chemical feeders shall only be used with the disinfectant or sanitizer recommended by the manufacturer and be all of the following: Pf ATCP 76.13(1)(c)(c) Interlocked. All recirculation systems shall be equipped with a chemical feed interlock pursuant to s. SPS 390.17 (2) (c) and (d), as enforced by the Wisconsin department of safety and professional services. P ATCP 76.13(1)(c)1.a.a. If power to the recirculation pump is interrupted, the chemical feed stops. Pf ATCP 76.13(1)(c)1.b.b. Except as provided in subd. 5., if flow in the recirculation system is interrupted, the chemical feeds stops. Pf ATCP 76.13(1)(c)2.2. The operator or their designee shall demonstrate knowledge to the department or its agent on the pool’s interlock system in all the following areas: ATCP 76.13(1)(c)2.a.a. Describes the location of chemical feed connections and system flow sensing interlocks in the recirculation system. P ATCP 76.13(1)(c)2.e.e. Describes what safety measures that must be employed during monthly testing. P ATCP 76.13(1)(c)3.3. Once monthly, challenge testing of the chemical feeder system shall be conducted to assess the interlock pursuant to subd. 1. P ATCP 76.13(1)(c)4.4. A log of the monthly test shall be kept and meet all of the following: ATCP 76.13(1)(c)4.a.a. Documented with the date, results, and the name of the person performing the test. P ATCP 76.13(1)(c)5.5. The system flow sensing interlock requirement does not apply to pools constructed before February 2009, unless the pool has been involved in a chemical release incident in which the installation of a flow sensing interlock would have prevented the chemical release. ATCP 76.13(2)(a)(a) Maintenance hazards. All maintenance that presents a danger to the patrons, including changing chlorine gas tanks and testing interlocks, shall be performed when the pool is not in use or is closed to public use. P ATCP 76.13(2)(b)(b) Maintenance signage. When access to a pool or pool area cannot be restricted, signage shall be in place indicating that the pool is closed, and the area shall be monitored to ensure the pool is not in use. This would include a pool area that contains more than one pool, but not all of the pools are closed. This applies to hotels with pools built before February 1, 2017, with access to the pool area through the guest room. P ATCP 76.13(3)(3) Repairs. Only personnel trained and licensed in handling gas chlorine by a certifying agency such as the federal occupational health and safety administration may repair gas chlorinators. Pf ATCP 76.13(4)(4) Evacuation during chemical feed incident. If the interlock is activated stopping flow from the chemical feeders, or the water recirculation pump is stopped manually or unexpectedly for any reason and duration, including power outages, all patrons shall be evacuated from the pool until manual evaluation of the cause for interlock activation or recirculation pump interruption is completed by the responsible supervisor or pool operator. P ATCP 76.13 HistoryHistory: CR 22-021: cr. Register June 2023 No. 810, eff. 9-24-23; correction in (1) (c) (intro.), 2. (intro.) made under s. 35.17, Stats., Register June 2023. ATCP 76.14ATCP 76.14 Disinfectant or sanitizer feeding and residuals. ATCP 76.14(1)(1) General. Each pool in use shall be automatically and continuously disinfected by means of disinfectant or sanitizer and feeding equipment that is in compliance with this section and s. ATCP 76.13. P ATCP 76.14(2)(a)(a) Disinfectant or sanitizer-producing chlorine and bromine and other chemicals. Disinfectant or sanitizer-producing chlorine or bromine and any supplemental or alternative chemical used shall meet all the following requirements: ATCP 76.14(2)(a)1.1. Registered with the United States environmental protection agency as a disinfectant or sanitizer, except algaecides shall be registered as algaecide. Pf ATCP 76.14(2)(a)3.3. Has an effective residual that can be measured easily and accurately by an approved field test procedure. Pf ATCP 76.14(2)(a)4.4. Is compatible for use with other chemicals normally used in the water treatment or is clearly identified as having a use limitation. Pf ATCP 76.14(2)(a)5.5. Does not impart toxic properties to the patrons in the water when used according to the manufacturer’s directions. P ATCP 76.14(2)(a)6.6. Does not create an undue safety hazard when handled, stored, or used according to the manufacturer’s directions. P ATCP 76.14(2)(b)(b) Bromine. Bromine may not be used in a waterslide, pool slide, plunge pool, or wave pool without the department’s approval. ATCP 76.14(2)(c)(c) Cyanuric acid. Cyanuric acid-containing disinfectant or sanitizer may not be used at an indoor pool, therapy pool, or whirlpool, beginning September 24, 2025. ATCP 76.14(3)(3) Gas chlorination cylinders. Gas chlorination cylinders shall be all the following: ATCP 76.14(3)(a)(a) Upright. A cylinder shall be in an upright position and other container types shall be placed per manufacturer’s instructions. Pf ATCP 76.14(3)(b)(b) Chained. A cylinder shall be chained or strapped to a rigid support. Pf ATCP 76.14(3)(c)(c) Moving cylinders. Cylinders may not be moved unless the protection cap is secured over the valve. Pf ATCP 76.14(3)(d)(d) Tagged. An empty cylinder shall be tagged to indicate they are empty. Pf ATCP 76.14(3)(e)(e) Valve. The cylinder valve shall be closed when in storage or empty. Pf ATCP 76.14(4)(4) Chemical feeding. Disinfectant or sanitizer and filter aid feeding shall be conducted as follows: ATCP 76.14(4)(a)1.1. Liquid chemicals shall be fed into water circulation piping or a surge tank or vacuum filter by means of a positive displacement feeder either at full strength or diluted. ATCP 76.14(4)(a)2.2. A 2-tank system shall be used, if calcium hypochlorite or another chemical that forms a residue is used. One tank shall be used for mixing the solution and settling the precipitate. The clear liquid shall be decanted or siphoned into the second tank for distribution. Pf ATCP 76.14(4)(b)(b) Flow-through feeders. The chemical used, the manner of usage, and the quantity used in a flow-through feeder shall be as recommended by the feeder manufacturer. Pf ATCP 76.14(4)(c)(c) Dry feeders. Feeders used for feeding dry chemicals into water circulation piping, a surge tank, or vacuum filter shall be maintained for proper operation. Pf ATCP 76.14(5)(a)(a) Minimum disinfectant or sanitizer residuals. Minimum disinfectant or sanitizer residuals shall meet the requirements pursuant to s. ATCP 76.14 Table A. P ATCP 76.14(5)(c)(c) pH control. The water’s pH shall be maintained within a range of 7.2 to 7.8. P ATCP 76.14(5)(d)(d) Alkalinity. The total alkalinity of pool water shall be maintained between 60 and 180 ppm as calcium carbonate unless it can be shown by the operator that another level of total alkalinity produces chemically balanced water based on calculations approved by the department. Pf
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administrativecode
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Department of Agriculture, Trade and Consumer Protection (ATCP)
Chs. ATCP 55-89; Food, Lodging, and Recreation Safety
administrativecode/ATCP 76.13
administrativecode/ATCP 76.13
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