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O P I N I O N BY THE PUBLIC SERVICE COMMISSION OF NEVADA With reference to charges for water service to refrigerating machines. I & S Docket No. Iifc2 CASE No. 1221 Dated Heard: October 9, 1952 and April 27, 1953 Decided: June 5# 1953 It is the opinion of the Commission that a new tariff as used and which is now under suspension, under Rate No. 21 of the Company, was unreasonable and excessive in that there was no segrega­tion as between ice making and air cooling operations- one requiring large quantities of water and the other, air cooling, requiring the necessary make-up and necessary bleeding not to exceed probably five gallons per hour per ton of machine capacity during daily commercial period of sixteen hours and a daily domestic period of eight hours, a monthly period of thirty days, and a seasonal period of five months, from May to September, both inclusive. The Commission assumes the truth of the use of ten gallons which it considers to be excessive and not necessary for the proper operation of the cooling equipment. The statement that much water is needed to bleed the minerals from the tanks to prevent corrosion is probably without foundation inasmuch as the water in Las Vegas which is used for cooling and ice making purposes is pure water and not even lightly mineralized. (Water Resources Bulletin No. 5) The Commission is also of the opinion that the rates as set forth in Rate No. 21, which is now under suspension, on cooling water 1