7} INTERNAL DEPOSITION OF RADIONUCLIDES TOTAL vourne! Reta ACTIVITY Case No. | 24 HRS (mL) P/s/24 Tas ——o— Table 5.3.—Gross Beta Activiry in Urine of Rongelap People on 46th Day Post Detonation LO Age < 5 yrs ) | 12U 71200 OE 4 5 23 155 40 313 22300 9 10 455 301 * yO5 404 t 150 33 54 894 260 sO 69 —~—~~—. Mean : 1; = / 11 13 450 340 1, 583 1, 677 " 18 265 47 ' 39 67 | | | 280 650 «| 450 72 75 » » 986} Mean . 439 76 110} 440 | 355 980 14 | 22 { 201 549 780 " 2, 460 47 77 455 1, 670 ; 30 i 37 40 550 1, 450 i | 49 52 55 425 780 320 0 0 1, 080 \ 57 550 60 810 | ij / 550 ; 650° 1 235 (140 634 0 fi 385 Age 6-15 vrs 20 455 1, 700 ——— 24 26 35 36 7 D/W24 RY §10 i _ | 24 WES (HL) 7 H — t Toral. Voitse! Bera Activity Age > lyre 2 3 j Case No. 34 Oo & 3,032 + a 5 23600 62 63 66 6S arog 7 1900 1,100 i; 674 a so; 0 & ISO 758 79 sO S2 Mean 792 330 : 71 7 570 480 56 58 435 750 46 . 96U 3, 220) 750 2,170 980 635 | 855 300 =: 1,985 2, 260 TIS «62,010 290 i 495 706 230 1, 095 ' | 5 5£0 41,4507 0 52° ; b= 465 530 $ | 2,038 1,383 ( S81; 4, 208 i . GU 140 Values carrected for decay. So correlation was found between body weight of the people from Rongelap and the total activity per 24 honrs excreted in iheir urine, . Gross, beta activity measurements were also made on the samples sent to NYOO, AEC.* Their results essentially corroborate the find*Personal conmmanication from lor. 7. Warles, NYOQ, AEC. 9002716 . ‘ 7 ings by the CSNRDL, partiénlarly the ratio of the activities among the three groups seudied. The abselute values of the activity determined by NYOO-AEC, however, were lower than ~ the USNRDL values by a constant factor. 2, Radiochemical Analysis of the Urine: Estimate of Body Burden. Radiochemical analysis of the Ronvelap urine samples indicated that the alkaline earth and rare earth evoups together contributed 75 percent of the