9April (Tuesdav) - Ronpelap I. AM - Nelson obtained a sediment sample from the lagoon off the boat landing at Ronpelap 1. We also caught an octopus near the LCU. also obtained for samples. A pig and chicken were Packed gear in preparation for trip to Bikini Atoll. 1700 - LCU departed Rongelap Atoll. LO April (Wednesdav) - Bikini I. 0800 - LCU arrived on Pikini I. 1000 ~ Ash began filtering water from the cistern behind the first house by the boat landing. 1090-1230 ~ Nelson and Ash took surface soil samples and y~survey readings around the work camp area on the south end of the island, tan) Disp.nary to V § , a? 6 z S51 wate RT Cate go Cae AO) wy PM - LCU went to Enyu T. to meet C-54 chartered from Kwaj to pick up “at Greenhouse,who had appendicitis,and the majority of the medical team who had been scheduled to leave the next dav anvway. Ash and Nelson made a few y readings along the lagoon side of the runway while the plane was being loaded. returned to Bikini I. LCU then Ji April (Thursdav) ~ Bikini I. AM - Nelson and Ash took surface soil samples and gamma readings along lagoon road from the north end of the island to the hoat landings. Samples and readings were taken ten paces inland from the road about every 0.2 mile. Soil samples numbered as follows: #1. #2. #3. #4. #5. #6. North end of island to 2nd Base line north. 2nd BLN to Ist BLN. 1st BLN to Center base line. Center BL to Ist Base line south. 1st BLS to 2nd BLS. 2nd BLS to work camp. We also took 5 lagoon-to-ocean transects, making y readings and collecting surface soil samples and coconut fronds. #1. #2. #3. #4. #5. These transects are as follows: 2nd Base line south. Ist BLS Center BL 1st Base line north 2nd BLN For transects #1, 2 and 3 the soil and fronds were collected at the 2nd tree south of the road, while for transects #4 and #5 the samples were taken at the 2nd tree north of the road,