tides. ‘The lover gama dose rates observed below the high tide mark would support this hypothesis. The water from vells and exposed profiles represents the fresh water Leng underlying the islands and the ebove data show that they are contanine ateds These deta are of special interest since these lenses my be intercedlate systecs for trensferring various nuelides from the soil to plents. . Tho cistern water ani other poteble water supplies of lescer inportence show varying degrees of contamination depending on such things as the cleenliness of the reservoir, the watershed areas and the presence or ebserce of chiclding trees. The higher levels of activity found in the ttong of cisterns are to be expected end these data ara included only for eomarative purposes. baypsa 1s “ pimecciecTIT