a7 “' 73s unm . ctuman an Miisx and . . . Besertduivarant Assessmenrz ~~ aby ADstract In May 1979, human milx samples were obtained from four lactating adult . 137 . . stg . : Marstailese famales, whose Cs body burden had been defined Sv wholewbcdv counting and analysis of urine samples. The samples, ranging in velume frem 10 /- ml to 30 ml, were analyzed by gamma spectroscopy and atomic absorption to detarmine che odresence of ye ; 137 daily ingestion rate of , oye was human milk. to 137 Cs and potassium. 137 Cs . Results were used to estimace the . ; for Marshallese infants whose primarv food supply . . : 137 ng Concentration factors relating adult female Cs body burdens 137, . oe . ay . Cs activity concentrations in human milk were determined. : A range of Cs body Surdens and dose ccommircments resulting from ingestion of numan milx and/or coconut products (numan milk subsitutes) from 1 September 1977 to 3l Auguse 1978 were calculated for a hypochecical infant residene on Bikini Atoll during this final year residence interval of the former Bikini population. Authors: 2.2. Miltenberger, £.T. Lessard, J. Steimers, and N.A. Greenhouse. a

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