Minn. R. agency 144, ch. 4717, POOLS; LIFEGUARDS; AND EQUIPMENT, pt. 4717.3150
Current through Register Vol. 49, No. 24, December 9, 2024
Surface-type cartridge filters must be sized for a maximum filtration rate of 0.375 gallons per minute per square foot. An effluent pressure gauge and an air relief valve must be provided. A spare set of cartridges must be provided and available at all times.
Minn. R. agency 144, ch. 4717, POOLS; LIFEGUARDS; AND EQUIPMENT, pt. 4717.3150
Statutory Authority: MS s 144.05; 144.12; 144.123; 145A.02; 157.01