> <a 10, Measuring Beta Activities Cir, Andrews 11, Gamma Radiation Dr. Scoville 12. Protective Devices Ly, Seigel 13. Gas Masks and Hoods Maj, Cook and lr. Seigel UW. Safety Precautions Lt, Col, Houghton In addition to the scheduled lectures a daily afternoon period . ae fe “te oe may te hyn & otAr TT. was established for the calibration of the various instruments to be utilized in monitoring operations by use of radium sources of known values. Physical conditioning was deemed advisable, particularly in the case of monitors who would be involved in somewhat strenuous activities Oa A SEEIRs ooped 14 ws ULES.HEI) eo . ss ° ae be. -~° . =” £ “| . Yay x © wea rc “ t - in the forthcoming operations. scheduled each afternoon, On 7 March 1948 the Task Group arrived with the rest of the Task Force convoy at Pearl Harbor and departed the following day for Exiwetok Atoll, “y Ss x ‘ A period of physical conditioning was During this period a photographic unit took both still and motion pictures of the various activities of the Task Group aboard ship, ah Maj. G. M. McDonnel, HC, USA, a member of Task Group 7.6 was designated 4 Ae as Liaison Officer with the photographic unit to assist in coordinating arft their work with the scheduled operations of the Task Group. A canplex communication system involving the use of many types of te, 1 S pe f sy “a 1 aN a Ne . ve . oe a ~- both Army and Navy equipment was employed in the radiological safety net. Captain James E, Helgestad, USA coordinated this work fer Task - 39 = rare BRA tHe Ts fn Rie wate Phy ee UN ea eae ee oe pa a nf tedomar atin Nl tae . ate fee