24 RADIOACTIVE CONTAMINATION OF AREAS IN THE PACIFIC OCEAN FROM NUCLEAR TESTS Unlike localization in the liver of mammals, Zn® was found distributed fairly uniformly amongthe tissues. The Co® found in clams Table 24—Radiostrontium, Radiocesium and Radiocerium-Praseodymium in Biological Samples, December 1954-January 1955 (AFL) IsLanp Oraanis PrecentacE or TotaL ACTIVITY Bre Bre BRS Oss Cem prin Sept., Oct. 1055" muscle. 41 mullet muscie_...| 0.0 0.0 Labaredj...--. 29 coconut milk...../<0.5 |<0.5 0.0 76. 165 0.0 0.0 48 26. 0.6 Gejen...--..-. 31 coconut milk. ...- <0.1 |<0.1 Kabelle....--. 37 Coulerpa 30 t milk. 2... 88 Helimeda.........|---.--]-----30 coconut crab O86} 48] 42 tern bone...-_.... 00 43 tern bone._..__... 0.0 Meliz.....---. 4 dogtooth tuns 0.0 muscle, Rongelap...._. 27 coconut meat__... 00} 28 coconut milk. .._. 00 82 pandanus frutt...l>0.1| 4 papaya meat......>01| 33 squash meat.___-_ >0.1) 00 0.0 0.0 81. 0.0 72, 0.0 67, July, Aug. 1955° 0.0 nn. 0.0 2. Lo 0.0 tively was verified by laboratory experiments.) Table 25—Sr™ in Biological and Lagoon Bottom Samples from Rongelap Atoll, October 1955 (AFL) Jaanxp June-July 1055° Rongelap Atoll: accounted for the major portion of the activity. (The ability of clams to concentrate Co® selec- 2. TotaL ActTIvITY djm/g* SaMPte Rongelap...| Coconut meat.......----..----- 110 Morinds fruit... Labaredj_..) Arrowroot corm......Kabelle.....| Coconut crab musele..._. a 40 440 Pandanus frait._... Coconutcrab liver.....--..---.1,20 Coconut crab salts of carapace...}....-..----Coconut crab cuticle of carapace.|_.......--.. Labaredj...) Giant clam mantle and muscle. 1,700 Giant clam kidney....-.....__-. 5, 200 &, 500 42 Qo 0 ooo % on 13| 25] 10. 68. 0.7 8.7 fraction containing mer fa. particles >0.074 {? | 61. depth of water6’, LO *Dates of analysis. 12. 50.0 29.0 0 0 Grouperliver......... Goatfish muscle....... Labaredj...| Tern muscle........-----.-----Kabelle.....| Lagoon bottom, 15 46 32 29 Bonito bone_...-_.-...---2---2-- Kabelle....- Grouper muscle... <0.4 <0.2 0 al 6 6 <0.6 2% 78. ACTIVITY 150 1, 700 300 GO; 0.0 180 Sr, PERCENT or ToTaL rom diameter. 31 61 0 0 Wet weight basis except lagoon bottom which Is on adry weight basis. Table 26—Radiostrontium in Plants Collected at Rongelap Atoll July 23-24, 1956 Counted September 4, 1956 (AFL) Pant TIssur IstaxD Breadfruit. Pulp. Bongelap--...-......--... Pandanus. Arrowroot........---...-----Coconut. Do. Do. Do. Beed __ Pulp and skin Milk Meat. Milk Meat do. do. do do Kabelle.......-..-..eeecee do. Morinda. Pulp and seed do Tota, B activity re d/m/g wet 420 0. 8240.03 7.7 108 262 64.6 36.9 18 2.2206 2. 540.6 0 0 0 0 d/m/g wet 8.41 212401 Lcrum Cat wet 0. 000628 6.00136 0. 00450 0. 00333 “SUNSHIN ON ne 891470 @b4t0 150-44 204439 Br. Sre 1.774-0.10 3 6840.22 0. 762-0. 06 1. 482-0. 05 DOE ARCHIVES