Copy No. a\ ‘'*? of 22 Series__A USE OF THE NEVADA PROVING GROUNDS Report to the General Manager by the Director of Military Application THE PROBLEM 1. To consider continued use of the Nevada Provirg Grcunds Tor atomic testing activities in the light of comments from the General Advisory Committee and the Advisory Committee on Biology and Medicine. SUMMARY 2. The operating criteria for the Nevada Proving Grounds considered by the Commission at Meeting 962 on February 17, 1954 (AEC 141/22), has been revised in light of comments from fhe General Advisory Committee and the Advisory Committee on Btolcsy and Medicine. The recommended criterla are similar to those previously considered in AEC 141/22 except that the new criteria (1) include a statement to the effect that prior to detonating a 50 KT weapon from a 500 foot tower the safety factor calculated for such @ shot should be confirmed by detonating a shot o lesser magnitude from-a 500 foot tower, (2) exclude the statement that the number of apparently marginal shots per year should be limited to a minimum, and (3) do not plece any arbitrary limit to the number of shots that may be fired in a given year, STAFF JUDGMENTS 3. The Division of Biology and Medicine and the Division of information Services concur in the recommendation of this paper ty ATOMIC ENERGY COMMISSION