=F emaie bee teen cous For the Quince and Fig events it was necessary to establish a personnel decontamination station on Runit. The traffic through this decontamination station was very heavy and clothing requirements were such that it was nec- ‘ssary to move the laundry barge from Bikini to handle the laundry load. nts were es- than Parry. 2ssed through if the conreyuired for ry where the hr. In these nl ibis,SEERKGRiaetaitaneECRSe TeeNCTEAOEmeaera BI yen Oe 8 WEA NT Me 3 controlling the direction ‘ain check office and nd the job to sented a probiblished. Gen_e on the aing should be area was of since the primary problem was one of alpha contamination, a large part of ‘he clothing had to be disposed of because it was found too difficult to reduce the contamination to acceptable levels. Respirators and full face masks were cieaned for re-use but booties, surgeon caps, gloves, and coveralls had to be disposed of in many cases. 2.1.2—The equipment decontamination station on Parry Island processed a total of 800 items, including 56 vehicles and 9 helicopters. Numerous nieces of small equipment were cleaned up for the various projects and for HEN. Normal procedure called for all heavy equipment returning from shot islands to be monitored on removal from boats and directed to the decontami-. nation station if necessary. t the contaminants. 2.1.3-The Operations Section of the Rad-Safe Center was responsible ‘ir the conduct of all radiological surveys on the atoll, the majority of which sere made by H-19 helicopters. H-21 helicopters were not used for survey if it ; 4j Aenbh ube lave > a eli rection of the BERGEle ae ate sary to main- wend 47a, sross the street & ving. The 3. A total of wetok check ressed through Versene and citric acid were the common decon- ‘aminating agents employed, and a steam generator was used to provide hot -olutions for the necessary washing. When equipment was not needed immevately it was held in a "hot" parking lot for varying lengths of time before ‘econtamination in order to reduce contamination levels by radioactive decay r4rposes since the possibility of excessive crew dosage was always present “uc to the configuration of the aircraft. In contrast to the H~19, where the rilot's compartment was located above the engine, the H~-21 provided no shielding at all for the flight crew since the pilot's compartment was simply a plastic bubble on the nose of the plane. . Normal operations included a pre~entry survey at H+1 to H+4 hr, a de- tailed Survey of the entire atoll at H+6 to H+8 hr, and detailed surveys on tae mornings of D+1, D+2, and D+3 days. Additional surveys were made 15 required. The basic instrument used in the aerial surveys was the AN. PDR-39 survey meter modified to read up to 500 r/hr. The logarithmic onOpen sgment built by Jordan Electronics, Inc., that proved so successful moves ween Redwing could not be made to operate properly and so it was from the s When necessary, data were radioed back to the Rad-Safe Center and briefir, wees helicopter by means of the helicopter radio net. office. The helicosten alrer mike Plotting Gronons were maintained at the Rad-Safe Center and the J-3 of islands in the atoll were conducted when required. aft at the <. er survey technique called for the pilot either to land the a slow esired spot so that a ground reading could be obtained or to pass over the desired spot at an elevation of 25 feet. Readings - ll -