2Snescnccemensee eere eena ND RE ate Re - em UNCLASSIFIED me a cE EUSS vy 5-6 : & Fo ialREINScrremmermmnenearenar UNCLASSIFIED asSeno ne cae eae mepmanget es This documentation {s intended both as a report on the accomplishments of Task Unit 7 (Radiological Safety) operating under Task Group 132.1, Joint Task Force 132, during Operation Ivy in the fall of 1952, and as a possible guide or source of information to personnel who may be detailed or ordered to organize or work with a similar organization in possible future operations of this nature. This work cannot be rightly attributed to any one individual but has resulted from the whole-hearted cooperation and efforts of all the personnel in the unit. OE ebAb ecient PREFACE