Or, L. ER, Dona idson «2-~ June 30, 1958 * In 1956 aeria! surveys and water samples obtained {fumediately after Redwing provided in a few days the informtion upon which the contamination in the Rastricted Area was estimated. This year, assuming tha stationa are about fifty afles apert, three to three and « half stations per day can be taken and a longer ~“ time will be required to obtain the necessary informtion. We assume that between you, Kiement and Task Group 7.1 « code will be worked out for identification of sample, location and radiation level such as was done in 1956. ec: Le. Col. &. I. Sebnittke, BL A, Klement, oBx G. Dunning, DEM

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