GROSS ACTIVITY 15 Table 12—Summary of Gross Beta and GammaActivity in Birds and Eggs * IsLanp No. or SaMPLEE SaMPi_e AVERAGE WEIGHT (g) RADIOACTIVITY * Beta (d/m/sampleX10“) (d/m/kexX10-) Gamma (afmfsamplex10~) (d/m/kex10~) Rongelap Atoll: Rongelap._.-.....-.- Tern: Egg sbell_..._..--....- 6 NDA 0 0.62 10.3 92 0.83 10.1 0.32 3.5 11 7.8 1.7 12 1 Viscera.......--......Moascle....-.--.---.--Tibia.__..--..----..--- 1 101 1 141 1 j.--------e- 0.38 NDA NDA 1 1 2 2 Gejen.....2.--0---. 2. Tern... eee ne nee Kabelle_...... 1 Egg, soft tissue..._...- Tern - Musele....--.--------Tibia. ...----.-----.Egg sheli__...--....-.. Ege, soft tissue....__.- Alinginee Atoll: Sifo.......--- 2 Tern_.....-----..----.-Muscle......_---._-..Viscera._.......-.--.-Tibia. ....---------.. Egg shell.....----..--Egg, soft tissne.......Rongerik Atoll: Eniwetak.......-.... Tern........-.---------Muscle....-....--...-Tibia__.--. 2.2222. Visoera....-.-2.-----2- 1 1 33 145 16.9 0.9 5.3 22.8 7 116 7 11.7 7 j_.---------7 0.31 1 6 1 33 2 2 2 92 19.7 2 + 0. 26 427792—67-——_4 eens 0.11 3.3 3.8 0 0 0. 025 0. 019 NDA 0.1 0. 07 NDA 0.16 5.9 70 0 6.7 0.18 0. 027 0.13 03 1.7 30 2% 1.3 0. 38 0. O57 0.08 NDA NDA 0. 28 3.3 4.9 —_— 0 0 7.9 17 0. 43 0.14 NDA 0. 06 0.11 14,7 36. 7 — 0 10 3.3 1.9 0.04 21.0 23 0.9 0.03 0.8 1.9 0.05 —_— 0.09 —_— NDA « As determined on basis of Us0s standards and empirical scattering and absorption corrections. *Counted in April-May 1956. 7.9 0 NDA 0.25 0.14 0 0