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I >< If these conditions are not corrected, the Reno State Board will do so. This will stop our wastage and also com­ply with State Board of Health. Note we found air conditioning refrigerating unite in some private homes and business houses, a total of 32 units, connected directly to sewer in building, cross connection, which waste 15 to 20 gale, per minute. All the garages and service stations should be given notice where we found 5/8" x 3/4* wash hose running. They should place a self- closing valve on end of hose. Now, the 2376 desert coolers without pumpss Many of these had a 3/4* hose or pipe from pan of cooler connected to sewer of building and many going into top of vent pipes on top of building, cross connection again. Imagine the sewer gas that will be drawn into rooms. The Kelso-Turner District alone has 212 coolers with­out pumps or float valves with a 3/4“ripe drain from face of cooler going to too of 3* and 4? vent pipe with a 1/2* water supply, a cross connection again and sewer gas. For your information, here are some very practical - 2 - figures: A A A A 1A6" 1/8* 1/4* 1/2* opening n will run 30 * 160 376 1380 gal, H per hour if at 40# 40# 40# 40# pressure « « H ft M # M n «