accomplishment of the mission should be clearly recognized. Consider- able latitude should be allowed the Radiological Safety Group in planning and conducting RadSafe projects in all similar operations. By the time the Task Force convoy had arrived at Eniwetok, 16 March 1948, the final draft of Task Group 7.6 Operational Plan was completed and ready for distribution. In order to amplify the purpot of policy as set forth in the operational plan itself, a series of letters on radiological safety was started at this time. As of 16 March, three of these RadSafe letters had been distributed to Task Group Commanders, covering subjects listed below (Copies attached as appendices "C", "D", and "E", respectively): RADSAFE NUMBER SUBJECT ONE Radiological Safety - General TWO Radiological Safety - Gas Masks THREE Radiological Safety -— Procedures for Handling Contaminated Material, Numerous discussions had been held during this phase among representatives from Oak Ridge, Los Alamos, Hanford and other labor- atories concerning the establishment of standards and procedures for the control of contaminated materials and personnel. As a result of these discussions an agreement on a workable plan was reached and RADSAFE THREE was published to disseminate this information to the Task Force,. Logistics. Prior to this phase of operations virtually all materiel was Section IX 49

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