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<br />39 <br /> <br /> <br />000799 <br /> <br />Organization: The Director of the <br />Engineering Research Institute is responsible to the Dean of <br />Engineering, Staff consists of most members of the Engineer- <br />ing faculty, who devote a portion of their time to research, <br />plus trained technicians, <br /> <br />Activities: An important area of research <br />within the Institute is in Sanitary Engineering. This research <br />can be divided into four categories: (l) water supply, (2) water <br />pollution control, (3) hydrology and (4) water resources, <br />Within these four areas of research, projects are sponsored by <br />the National Institute of Health, the National Animal Disease <br />Laboratory (U, S, D, A,), the State of Iowa, and private industry, <br /> <br />Fac ilities include nearly 4, 000 square feet <br />of laboratory space for teaching and research, <br /> <br />Recent research has included the following <br />subjects: Predicting runoff from rainfall records for several <br />Iowa watersheds; Flood potentiality of the Des Moines River <br />basin above Des Moines, Iowa; Hydraulics of circular settling <br />tanks determined by model-prototype comparisons; Tank <br />detention time efficiency in the chlorination of small water <br />supplies; Iron removal from natural and synthetic water using <br />diatomite filters; Iron removal vs. depth in a sand filter; <br />Effect of rate disturbances on the qualities of filtered water; <br />Design of municipal diatomite filters for iron removal; <br />Selection of optimum filtration rates for sand,filters; Proper- <br />ties and treatment of pond water supplies; Filtration and <br />chlorination of small water supplies, <br /> <br />Cooperative Extension Service in Agricul- <br />tural and Home Economics <br /> <br />Authority: Federal and state laws authorize <br />the off-campus educational programs of the Iowa State <br />University Cooperative Extension Service. Agricultural <br />production, management and natural resource development, <br />marketing, home economics, 4-H and youth, and community <br />development and public affairs are the broad areas of program <br />emphasis authorized, Staff members of Cooperative Extension <br />are both on the faculty of Iowa State University--the land-grant <br />university--and representatives of the U. S, Department of . <br />