yais of 137¢g, Four persogscvisited’ onne: £ from: Ro ei a * addition WOT TOUGORTEL ne o ad}!in 4 pooled urjnevia samples from both atolls were analysed radiochemically for Ge gee add JOVANA | DlovA lasdil in , eet ilogloseh nf $0 and ‘Sr. Doo 13 meas Ce a: Subsequent Brookhaven National Laboratory expeditions by members of A boob OVAHE oti J batesetob ene pscrtee © lean? gta » the Medical Department nd, Safety and Environmental Protection Division utilized © ~A8 ts amcetiy alfete botisdedud 1 no roiteatmeguay ; " ‘a whole body. counting and radiochemical analysis of urine and blood samples to OGE Goat TEA be ootoad barn beqsie magi aaw agiyaa hetenie identify|and quantify the radionuclides that were present in the body. Vp ‘ous Bauoiy to taee vel dofdw elfowA tier ban , dhe , sults of these radiological measurements sre given in terms of body burden in arog od drary yvilnidtae pqarlesqafl no tuoffat sek vasfin « ee PS fae, rbiol oa anw tio tea teatxo ody ny tim and those which are accepted for use with the SI for the time being, t ot . Tables 1 and 2. Throughout this paper the units of quantities ere SI derived COTES : The re- “4 Thus both» qer qed Yo atngbtaay Oe ag ,a2OP (6 dove ay: the Curie and the Becquere} may be used es units for the quantity activity. reM HO bse ee Sige JLlota ennrgal rd phate des The aforementioned body burden cables illustrate adult mean values for Poem] Rongel ap and Utirik. thle toy ' : age. of a? .s961q Hoot male etnetiaer Masa dere An adule, as classified here, was a person over 16 years MegTE Go, ou sure ad? aot Vo] ROVE ‘309 VIEWS oO <r o8 genat vl oe imam raged] adit vio box ineyto . nee : The observed arm The mean body mass in this age interval was 60 kilograms. pine ft ! , body mass versus age digtribution is shown in Figure 1 for Rongelap Fesideuts, vor, POR TRL TRIO Yo@esoyue etl haw ce The same body mass versus ai age distribution was observed ac Utirik. ' Pa tut anys rag aad ea Bos ansat sriyt Because of the paucity of measurements at Utirik, information on C0, 65 TE Beet y SFA TROE OMe cn, and 736 was in some instances derived from the ratio of adult mean body ! burdens between Rongelap and Utirik. whe ‘ \ A mean ratio of 2.6 was observed in body burdens for 65 Zn, 90 Sr, and 1376, after they reached their maxiaum values. standard deviation of this ratio wae 15%. “oop 4 ay me if or. In the following analysis, personal body burden histories and residence ines booed i tervals, in conjunction with contemporary dosimetric models, are used to esti-~ ¥ mate internal dose. Dosimetric distributions were constructed from the results ay and a summary of the derived activity ingestion rates and dose equivalent : was sefes a f provided for various subgroups of the population. Additionally, exposure rete history curves were constructed for each atoll for the period following tlic Rie Seer a oie OP ge EE epee, heron. eters