Table 12 BRAVO Fallout Beta Activity Related to BRAVO Fallout Exposure Rate Day 26 Post-Detonation Nuc lide % of Bikini Ash (uR h7!) Nuclide4 Beta Activity 89gr 1.3 9ly 8.0 103Ru 106Ry 106Ry, 5.0 0.70 0.70 4.5x1074 0.0x109 2.7x1075 132; 140g, 1.0 5.0 4.2x1074 1.4x1074 90sr 90y .013 .013 9577 9SNb 14074 lal, l44cq 144p, 143py 147g 45¢a 0.35 0.95 1.0 4.5 6.0 8.4 1.7 1.7 #16. a ot 239py (a 3.3x1078 2.2x109 5.0x1076 1.4x101 2.2x1072 2.2x1072 8.6x1074 3.9x1074 1.1x10! &.7x109 3.6x1076 5.3x107% 3.8x107 3.3x1074 6.0x107! 1 .6x10° 1.7x10 7..8x109 8 .6x109 1.2109 1.2x109 1.7x109 8 .6x109 2.3x1073 1.0x1074 4.7x1076 9.0x1076 27at | : ofae oD 0.20" 237y (uR h-4+)Bikini Ash 0.0x109 3.5x10711 6.2 2.7 1297, oeete Te 131y (mCi km72) Nuclide> (mCi km*) Bikini Ash 1.0x10! 1.4x101 2.9x109 2.9x109 2.8x10! Jer 2. 1.6x10! pHsi0-12 were ee B61OTH Segid> $0006 ec + FS seger0710. 2 ee 35g Saiz i a ~~ ii. mig at ea et ak 3 a - e aa os 3.5x1071 3.5x10 6.9x1074 8 .6x10~2 eS Aweal Activity at Falitout Cessation: Being ‘Be th above esti- mate of the mean unweathered exposure rate on day, 24,~we-estimated the mean meee tee yt ae Me _ = itarea to be 1.0 x 104 Bq we. (2.4 x 102 mCi km~2). unweathered activity-per We made this estimate by multiplying 47 mR h™! by $000 and then multiplying this product by the activity per un it area per unit Bikini ash ex posure rate (see Table 12, column 4). ge - 31 - .- te ep.