A single and soil sample Bokdrolul showed approximately 85;, -;CS 15% ‘°Co. No edible Since plants were the maximum the exposure CHARLIE on any of these rate reductions found were for not islands. this group was 50 ~!?/hr, projected. (NAM) by Figure in the northwest Bikini with of the island. nuclides A single rate Radioactive scrap reading radioactive at sea. Less radioactive Although soil sample showed the of about levels slightly found taken higher near than 50% 1S7CS, on side aree of of gamma emitting 33% ‘)OCo, and of time those the northwest in a background concentration as a function on Ntrr,,located 17% ~~ssb, for this composition 15. was found obtained scrap of 500 ~R/hr reduction in Figure radiation are of the atoll, to be composed is given viously corner 200 ~R/hr exposure maximum 14, the external one “hot spot” approximately there found exposure rate As indicated The from at several on any piece reading in excess radioactive material locations on the of scrap was of was 100 ~R/hr buried island. All 500 ~R/hr. (gamna) was on land with The !x:ried the non- debris. this is the third utilized largest as a source are at present and one which of food materials edible no island land plants by the or coconut had be~?n pre- Rikinian:;, crabs on the island. A sample of fresh by the Laboratory Tritium levels water frcm Nam, for Radiation in all other taken in 1964 Ecology, water and supplied contained samples from to S!ARI-!L 15 pCi of ~A/ml. various islands were less than 0.4 pCi/ml. A sample contained 137CS from a Portulaca 1.5 pCi “of 3H/ml in the plant material plant (high water of extracted content) water. was 210 pCi/g The taken in June concentration and of ~OCo was 3.8 1969 of ~Ci/g wet weight. I I 25