ysis of 137¢s, Pour persone ‘visited ponnefromRongelap: and:ie. addition, ooled ur ne san les from RP? ‘ rine san pre Laereois and 90, foe _ for ‘both atolls were sualyzed radiochemicall POVARA oPlais tntsitt tn , PPE 137 Vf. Woooan Subsequent Brookhaven National Laboratory expeditions by members of fe ee fpr 8 on tate OVAHE cell Jbadeasctab enw PaPtSe eltand edt ai 1 _ the Medical Department. a Safety and Environmental Protection Division utilized : srg saree UGO CE ea ocltiv elfotr betrdern: po roi dentmadnes n fi whole body. counting and radiochemical analysis of urine and blood:samples to Ghivan ) Sai witha beboiomd bar beqade aegis aaw notysy herenie. jdentify¢endquantify the radionuclides that were present in the-body.. The re~: Bert i Croc bausiy Ye dasa yel dotdw ellovA Adag3Uo ban vio: wo sults. of these radiological measurements are given in terms of body burden in vile rm cs Tables i apd 2 drafty yilsasitnt ,qretesaof no anolfet act c.astim v- , Throughout this paper the units of quantities are ST derived Bia al tHOTA goede somo! of anwo oad vey THOIKD add ny tye 3 and those which are accepted for use with the SI for the time being, bees pre by er Hh god To atnabteay 8A aaa B7EL ‘ov we os Thus both. LE dora ye the Curie and the Becquerel may be used as units for the quantity: activity. DN. se , BK NG LU thuteen Susy Elosé ensinni(id ybite fee Theaayaforementioned body burden tables illustrate adult -mean.‘values for He AY gid Rongelap and Utirik. us bora ‘ -99H1q HOOF Ale etnekize: Vhosa Aerim An adult, as classified here, was 8% person over 16 years iuSam reooye 6 on cory aft ety gone VieVS ass. “IS9Y Vel ot The mean body mags in this age interval was 60 kilograms. The observ of age. . HAR Berar ds co Inemsraqesd assis ve boXttnoyta ,mes f. _ body |mass versus age distribution is shown in Figure 1 for Rongelap revidentes Bryon t > D ROLIRAARMIO Tatesouus ett how ace: The samebody mass versus ,aBe distribution was observed: at Utirik. TTR. VEsk RAT Se wid te As saga! maitoy _ Because of the paucity of measurements at Utirik,: information on 6000, 65 55 cn, and EV Pe oe wee 1g PIATRA EY Bitcot on 7 “Fe was in some instances derived frow the ratio of adult mean body. ‘ burdens between Rongelap and Uririk. burdens for eg ‘ to% de ray A mean ratio of 2.6 was observed in body | 65 “Zn, 90 Sr, and 137 Ca after they reached their naxinun values, The oe rtitl standard deviation of this ratio was 15%. tay! S78 ea, In the following analysis, personal body burden histories and residence inva ' boas tore fon 4 . 1 tervals, in conjunction with contemporary dosimetric models, are used to esti= 3 mate internal dose. ¥ Dosimetric distributions were constructed from the results «3 and a summary of the derived activity ingestion rates and dose equivalents Was abet provided for various subgroups of the population. Additionally, exposure rete history curves were constructed for each atoll for the period following the ae SE weet t aoe sine Ut mnOr eae fer.