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(a) Identification. Water treatment system piping shall have permanent labels, numbered tags, or a color coding system that identifies valves, piping, and the direction of water flow.
(b) Readable chart. Labels, tags, or color coding shall correspond to a conspicuously posted, easily read chart that explains the system.
(6)Filters.
(a) General requirements.
1. The manufacturer’s data plate shall be visible on all filters.
2. Filter shells and appurtenances shall be maintained in operating condition. Pf
3. The backwash procedure shall follow the filter manufacturer’s written directions.
4. Backwash procedures shall be conspicuously posted in the filter area on an easily read chart.
5. Filter media shall be inspected annually and cleaned or replaced when necessary.
(b) Sand filters. The following types of sand filters shall be backwashed as recommended by the manufacturer:
1. Rapid-rate sand filters. Pf
2. High-rate sand filters. Pf
3. Vacuum sand filters. Pf
(c) Diatomaceous earth filters. Diatomaceous earth filters shall meet all of the following:
1. Pressure and vacuum type diatomaceous earth filters shall be backwashed as recommended by the manufacturer. Pf
2. Septum covers shall be removed, cleaned, or replaced when they no longer provide effective filtration or create a friction loss preventing maintenance of the required recirculation rate. Pf
3. Diatomaceous earth wastewater separation tanks, where installed, shall be cleaned according to manufacturer instructions.Pf
4. Positive displacement feeder suction intake shall meet all of the following:
a. Suspended at least 6 inches above any sludge layer in the solution tank.P
b. In labeled tanks for mixing and distribution of slurry.
c. Mixing and distribution tanks shall be covered with a screened vent.
d. Installed and maintained to prevent backflow of water into the tanks and to prevent the slurry from being siphoned out of the tanks into the pool recirculation system. P
5. Diatomaceous earth slurry feeders shall meet all of the following:
a. The lowest effective concentration of solution shall be used in a diatomaceous earth slurry feeder.
b. The concentration of solution may not exceed 5 percent by weight. Pf
c. The diatomite slurry feeder head and lines shall be flushed as recommended by the manufacturer to assure proper and continuous operation. Pf
d. Water from the discharge side of the recirculation pump may be used.
e. If connection is to a potable water supply line, the supply line shall be equipped with an approved backflow or backsiphonage prevention device. P
f. Diatomite slurry tank agitators shall run continuously. Pf
(d) Cartridge filters. Cartridge filters shall meet all of the following:
1. Removed and cleaned as recommended by the manufacturer. Pf
2. Replaced when plugged or damaged. Pf
3. A duplicate set of replacement cartridges shall be available on-site and used when removing a soiled cartridge from the filter for cleaning. Pf
(e) Activated filter media, filter ball media, and glass filter media. Activated filter media, filter ball media, and glass filter media shall be maintained and backwashed according to the manufacturer specifications. Pf
(f) Other media types. Other media types as approved by the department shall be maintained and backwashed according to the manufacturer specifications. Pf
History: CR 22-021: cr. Register June 2023 No. 810, eff. 9-24-23.
ATCP 76.12Labeling, storing, mixing, and handling chemicals, including gaseous chlorine. All labeling, storing, mixing, and handling of chemicals must be in compliance with applicable local, state, and federal regulations. Pf
(1)Labeling.
(a) Chemical container. Except as provided in par. (b), all chemicals used in the operation and maintenance of pools, and bulk storage tanks containing the chemicals, shall be conspicuously labeled with all the following information: Pf
1. Name of the product. Pf
2. Manufacturer’s name and address. Pf
3. Active ingredients. Pf
4. Directions for use. Pf
5. Hazardous ingredient warning. Pf
6. For chemicals used for the primary purpose of controlling microbial or algal growth, the United States environmental protection agency registration number. Pf
(b) Erosion feeders. For chemicals used with erosion feeders, only the name of the chemical need be provided on the label. P
(2)Chemical storage and chemical storage areas. Chemical storage and chemical storage areas shall meet all of the following:
(a) Original container. Chemicals shall be stored in the original or a properly labeled container. Pf
(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
(c) Separation. Oxidizers shall be stored separately from acids.P
(d) Access. Only authorized personnel shall have access to a chemical storage area. P
(e) Chlorine gas. Chemicals shall not be stored in a chlorine gas storage area. P
(f) Food. Food may not be stored in a chemical storage area. Pf
(g) Smoking. Smoking is prohibited in a chemical storage area.P
(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
(i) Doors. Doors to chemical storage areas shall be locked and marked to indicate entry is for authorized personnel only. Pf
(j) Emergency telephone numbers. A list of emergency telephone numbers shall be in the chemical storage area or be readily accessible. Pf
Note: For pools with liquid disinfectant and acid it is strongly encouraged to provide secondary containment in the chemical storage area.
(3)Mixing of chemicals. The mixing of chemicals shall meet all of the following:
(a) Added to water. A chemical solution shall be added to water, not by adding water to the chemical. P
(b) Separately added. Each chemical or chemical solution shall be separately added to the water. P
(c) Restriction of patrons. Patrons shall not be in the pool when chemicals are added directly into the pool basin. P
(4)Handling of chemicals.
(a) Smoking. Smoking by anyone handling chemicals or by anyone within the immediate vicinity of chemicals being mixed is prohibited. P
(b) Safety data sheet.
1. For each chemical used, a safety data sheet shall be readily accessible to staff and the department or its agent. Pf
Note: 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.
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
3. Staff shall be trained in the use of the safety data sheet and where they are located. Pf
History: CR 22-021: cr. Register June 2023 No. 810, eff. 9-24-23.
ATCP 76.13Chemical feeders and filter aid equipment.
(1)General. Chemical feeders and filter aid equipment shall be all of the following:
(a) Installed. Installed according to the manufacturer’s directions.
(b) Used. Chemical feeders shall only be used with the disinfectant or sanitizer recommended by the manufacturer and be all of the following: Pf
1. Automatic. Pf
2. Easily adjustable. Pf
3. Capable of providing the required chemical residuals. Pf
(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
1. The interlock device shall meet all of the following requirements:
a. If power to the recirculation pump is interrupted, the chemical feed stops. Pf
b. Except as provided in subd. 5., if flow in the recirculation system is interrupted, the chemical feeds stops. Pf
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:
a. Describes the location of chemical feed connections and system flow sensing interlocks in the recirculation system. P
b. Describes how the chemical feeder electrical interlock functions. P
c. Describes how the system flow sensing interlock functions, if applicable. P
d. Describes how monthly testing is performed. P
e. Describes what safety measures that must be employed during monthly testing. P
3. Once monthly, challenge testing of the chemical feeder system shall be conducted to assess the interlock pursuant to subd. 1. P
4. A log of the monthly test shall be kept and meet all of the following:
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.