” material. PRIVACY ACT MATERIAL REMCVED This equipment was manufactured according to the model de- signed by SMe, University of Rochester, with adaptions to make it satisfactory for use under conditions of the forthcoming tests. In addition, as a result of conversation with the Corps of Engineers and Chemical Corvs representatives, it was considered advisable to include collective protectors in the larger Sorps of Engineers’ dug-outs. —_ Se. of the Chemical Corps, Edgewood Arsenal, was given re. sponsibility for:thiggeollective protector program, and it was considered desirable that he also take over the cascade impactor project at Eniwetok. In the meantime 9B and others at Edgewood proceeded with the manufacture and calibration of the cascade impactors. Aerial Crater Survey. On 27 October 1947 the Bureau of Aeronautics requested approval of a project to measure the contamination of the crater by means of aerial survey. This was initially turned down as being impractical, but after . discussions among CommanjercY@ills, Buder, Colone] Sp, Captain Sa, and Qe it was agreed that such a survey could be made and would be desirable in the interests of radiological safety. This experiment was therefore “tmeorporated in the projects assigned to the Radiological Safety Group. Arrangements were made to obtain a C-47 on ZERO day amd a helicopter on later days fer-use on this project. This project was of special interest to Lt. Comir. qgRGme, MC,USN, of the Bureau of Medicine and Surgery, who had been largely instrumental in the plenning of this experiment and who would play the principle role in executing it. Section IX 25 PRIVACY ACT MATERIAL REMOVED ae

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