25 RADIOCHEMICAL ANALYSES Table 27—Radiostrontium in Land Hermit Crabs (Cenobita sp.) Collected at Rongelap Atoll July 23-24, 1956 (AEL) Radioactivity as of Counting Date, September 10, 1956 SPECIMEN NUMBER TISSUE ToTaL TsLaND B ACTIVITY d/m/g wet I-49___ 22-2 Liver... ewan ene Eabelle..........-..----- Srv Calcium d/m/g wet g/g wet "SUNSHINE Units” 243 4242 0.003804 6250231 1.6 +0.3 Muscle._...--..2--..-----.]--2.. do. ..--.--------------- 434 62422 0. 00320 889043110 0.0 Do......--.----.----.---- Skeleton _...-_..--..-.-.--|----- do....-..--------.----- 5, 410 0. 206 5310419 0. 24-0. 02 T-50. 222 -ee Liver - -.22.0-...--22------ ene do__.. 2-22. --------. 633 474+14 0. 00718 31104946 3.6 41.8 --| Muscle.....-...2--..------}--.-- do_..-.--------.--.--.- 273 2446 0.00223 4910-+1170 2.4 +0. 76 Do.....---..---.--------- Skeleton _...-_.---.----u--f----e a 4,100 1910+3 0. 202 2960+7 0. 582-0. 16 Do, --.----22-- oe eee eee Skeleton. _..-...-..---...|--.-- do. T-62 ne ne eeeeee eee] eee G0... wee Rongelap- ..---..---..---. 5,600 3,900 2130+-130 1310-+-6 0. 189 0.177 44404.158 3360414 0. 32-40. 04 0. 483-0. 14 Do Do ---| T-51_.22--. oo eee ee Mustle.._..-.-.----.------]----- do... 2-22 --- een 444 2400-9 90+-6 0.00919 51202382 Table 28—Radiochemical Composition of Residual Contamination (NRDL)* PERCENTAGE OF TOTAL ACTIVITY OBSERYED * MATERIAL RADIONUCLIDES Srs? ! i Sri; Srie Srv Rare Harthg Arrowroot....---------- eee Breadfruit__._...---..---.-------------------Coconut frond_____-__.---2- eee lee Coconut meat...........-_.-----.-- Lee Coconut milk... 22-2 Grass. ...-.---.----- 2 eee 13 *NDA 1.2 NDA NDA 1.3 5.9 6.3 6.0 NDA NDA 4.6 Pandanus_.._...-.--.----..--- 2-2-8 0.5 2.4 Papaya_--_..--.------ eee 1.6 7.3 Coral. ...- 22 3.2 Soil__..--- 2. eee 0.8 2.2 73 0.1 Eagoon bottom__......--._-.-- 222 Cistern water.........-.-- 2-2 ee Ground water.....--.._.-.---..--..2-----__.-- 1.1 2.9 0.8 5.0 8.6 2.5 82 41 49 0.2 24 20 Lagoon water_.....-.-_.---._--.-------------- 0.9 14 4.0 * Values as of 15 July 1955 (16 mosafter the nuclear detonation), from the reported parent values. « No detectable activity. *Collections made about Febraury 1, 1955. 3.0 50 80 1.2 0.9 74 Zrit b 0.5 19 4.2 NDA NDA 6.4 12 a7 67 76 0.2 31 Rui b Csit? 7.8 NDA 6.7 NDA NDA 4.3 0.6 12 10 9.7 80 24 1.6 95 96 8.4 95 11 4.5 Li 23.3 L1 13 20 16 7.0 NDA 13 9.2 0.8 bNb* and Rhl0t may be calculated OMe P an. 0. 7140.05 |