. 2® resultant intensities, particularly on ENTU, were higher than anticipated, The barge shota, on the cther hand, appeared to remain in a fine aercsal-type clewt (without a base eurge phencaens) persisting fer leng poriods cf time, Clese-in on the shot atoll, the barge shots preduced contamination couparable t~ BRAVO, Long range aspects indicated high aerial intensities out to at least 50 miles and appreciable (ut net dangercus) intensities out to 600 miles fer periods of 24 t3 48 hours after the detenation. This latter feature of the barge shot raised a crucial prebles wiich should be considered en £ future operations, namely the necessity of evaluatingthe "shine dose" fran + this type burst in particular, and high yield shots im general. (See para 4.4). 3. Tre development of the CASTLE Radsafe Plan revelved primarily arcunc two basic criteria, i.e. the so-called Rule Ocoee and the Tactical Cese. a. Rule Dose: This desage allowance is the legal Limit er Maximm Permissible Exposure (MPE) ef 0.3r per week (gamm. ly) set sy the AEC upen the advice of a committee of radiation experts, It is the industrial safe- guard based an & continuous week by week, year by year exposure at this rate. Since this 1s the legal lint, deviation from this standard may tend te place ;/ the Task Force Commander open to question. As 8 consequence, the Limit creates radiation ecatrel, problems in each instance of work performed in contaminated areas and becomes progressively more a problem as the yield, the mumber ef atemic events and the rapidity with waich they are detonated ine crease. b. Tactical Dese: This desage allowance is that ameunt accepted by DOD autherities in the radiation field fer use in tactical or emerger:7 situations as required. It is based upen the consideration that it will be