Nineteen coconut sampies were collected from thirteen different iocations on che island. Green coconuts were used for almost all samples anc the meat and milk were analyzed separately. Gevectable in any of the samples, Only !°7Cs and 2°Sr were Tritium analyses were performec on the milk rrom selected coconuts but ail results were below the lower limit of detection (0.4 pCi/ml). Tadie 1. Mean 13’Cs5 and 98Sr Concentration in Food From Bikini Isiand (pCi/g wet weight) 1969 1967* 1963 sample L37Cs Range 13 7Cs 90 Sr Coconut meat 120 4 - 480 200 + 2.6 0.31 Coconut milk 130 48 - 270 Pandanus 130 26 - 400 Arrowroot ! 0.6 28 0.4 - 1.] 2.4 *Data from reference number 2. Prepared by grinding, rinsing three times with salt water and once with fresh water. (Marshallese method of preparation) ENEU ISLAND The second largest island in the atoll, and the site of the base camp for the cleanup operation, Eneu, was found to be considerably lower than Bikini in external background (Figure 3}. Although an exposure rate of 50 uR/hr was obtained at one depressed location during the early Stages. filling of this “borrow pit area reduced the level to approximately 10 uR/hr. than 10 to 20 uR/hr. The exposure rate generally ranged from iess Of particular interest was an aircraft decontamination pad adjacent to the parking apron of the airstrip which bisects the island. Surveys of this area showed background levels to be less than 20 pR/hr for all exterior surfaces. The interior of the drain measured approximately 50 uk/hr. Thirteen cable spools, giving a combined contact reading of 200 ,:R/hr, represented the only radioactive scrap located on the island. were removed and disposed of at sea. que 5.00903! These