= on 2 November 1952, Task Unit 7 loaned personnel to CINCPAC to insure that all necessary radiological safety precautions were “" taken. The evacuation was carried out in a successful manner and no radiological hazardd were encountered. b. HORIZON Radiological Safety Radex had shown the possibility of the HORIZON being subjected to some fallout, The data this vessel was to collect was essential ard the vessel had to be "on station", logical safety responsible agency was IG 132.3. The radio- TU-7's interest in the operation lay in the furnishing of radiological safety personnel and equipment to accomplish the radiological safety activities. This craft which had been 72 miles north northeast of zero reported contact with the fallout area, Within 20 minutes after the fallout commenced, average readings indicated 15 m/hr with localized maximums of 35 m/hr. Wash down procedures and other necessary radiological safety measures reduced the hezard to the point where it was no longer a health hazard aboard the craft. ‘The HORIZON was considered as "marking" the edge of the fallout pattern in its direction. -¢, Kwajalein Liaison and Control The officer performing this function acted as radiological safety officer of TU-7 for TG 132.1 personnel at Kwaj- coPIED/DOE LANL ROY # - 68 - 2|