VII which indicated an average 80 milliroentgens each hour until 0330 hours the following morning when a rain increased the fallout to 100-110 millircentgens the hour, levels, Following the rain, the fallout reduced to safe Immediate personnel were in protected positions so that no special clothing for safety precautions was necessary. However, the swinming area and lagoon were placed off limits until those waters reached a safe radioactive level, 16 Radiation Safety and Monitoring As an additional duty the Commander, 1926th Test Squadron (Sampling), found that he was faced with the task of training for radiation safety and monitoring. Initially, it was thought that the selected men could attend regular Air Force schools, Investigation disclosed that such classes would not coincide with the periods in which the 926th men could attend, Time was lacking to organize and conduct special classes in the zone of interior for airborne monitors, weather island monitors, and monitors for Task Group 7.4 operational areas, Consequently, officials established a school at the proving grounds. Insufficient instructors, almost no visual or training aids and instruments, and the lack of classrooms on Eniwetok made conducting such a school difficult,” The Decontamination and Sampling Element of the 926th Test Squadron conducted the school in two phases during April 1956, Subsequently, all personnel were issued film badges for measuring personal radiation dosages. 150 SWEH -2-003h u