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Mr, Wsu Reinhardt *2* April 30, 1953 excessive amounts of chlorine at times of reduced flow. Prom the Railroad's side, it was necessary, during the past week, to prepare a chlorine solution, which was held in a 55 gallon drum located at an elevation above the pipe lines from which the chlorine solution flowed into the line by gravity. The rate of flow being manually controlled by an employee on the basis of his observation of the degree of concentration of chlorine at a point below the reservoir by means of a tester, which visually indicates the parts of chlorine per million gallons of water. In view of the above, I am attaching hereto my Requisition for one Dual Drive Heavy Duty Midget GhLor-0-Feeder for your approval. I have contacted Proportioneers, Inc., 711 Gibbons Street, Los Angeles (Phone Capital 25159), who are distributors for this Chlor-0- Feeder, and am convinced that this piece of equipment will provide an efficient and satisfactory means of Introducing chlorine at any point in the system where chlorination might become necessary. This piece of equipment is equipped both with an electric motor and a small gasoline engine, and the rate of flow of chlorine solution can be automatically regulated to provide the proper concentration of chlorine In the water main at most any location where chlorination might be required. The cost of this chlorinator is approximately As a matter of information, I understand that the Railroad Company is now securing a similar type of chlorinator for the middle spring, since the old Wallace & Tiernan chlorinator, previously located at this spring, has not been in operation for a considerable