alifornia OFFICIAL USE ONLY e awrence Radiation Labourator y : ‘ : At ue wNGYEM Obir ORNLA cob © AGT OFC AL USE ONLY UCRL-12273 James tha Stoygess Lot the ae Tatigre San eat eee 1 ch irut the Kalitta dose REE: rate treeasur ePment SB Were Goel ubtainecd at that tite ane toe University of California fivecmore, California Ralph A awrence Raciation {.aboratory, Whole- Body Gamm in particular, it appears that this estimate does nut include the dose from the cloud but only fromm fallout. Tare if we The exact method af endent estimate iarude below Internal deposition of :odine isotop es. aalDose aan whule body dose was estrrnated! to be 175 RK. making this estimate ig not given, 80 an indep (2) Che sources of exposure to the thyrei d which must be considered are (1) Whole-body gamma dose. ate 3 feet above the ground was measured as 3/5 MmA/hour 7 days afier tie 12 fron ASsuming t dee ay the HEo+ 24 hour dose rate was then abst $4 Ry hour "S56 ? ESTIMATE OF RADIATION DOSE TO THYHOIDS OF THE RONGELAP CHILDREN FOLLOWING THE BRAV O EVENT 410707