PEM ap wee -ota ast een "a - 4 oO Ce reeAnat " rable 1. ' toe a . ty whee a ig bee 6 Ye ® a * oe at “e we “gts . eee atl . i - , i. ' te : HS $ nk wf * att we wkete era _— ™ Tap { 4 imxternal gamma exposure rates and major contributors to the radiation fields at representative locations on Bikini, Eneu, and Nam. The sums“of the component exposure el : ~ rates, obl.ined with the field spectrometer, are compared with the total exposure ratos obtained with the ionization chamber. ; ‘yf | _ Exposure. Rates _ _Components pO LocatLon| 137Cs 8° C0 | 126 Sp (ux/hr) _ ; Field Spectrometer ; , #1 Near lagoon shore, 19.0 (/7%) 3.0 (12%) #2 50' along transect 17.8 (78%) 2.4 ) #3 50' along transect 18.9 (78%) 2.1 (9%) 22.8 (61%) | _ Total 2.8 (119%) _ ee Touization | Chamber Be 24.85 24,0 22.9 22.8 3.3 (14%) 24,3 - 25.0 11.3 (30%) 3,5 (9%) 37.6 | 41.2 27.2 (62%) 12.5 (29%) 4.0 (9%) 83.6 (74%) 19.5 (17%) 10.3 (9%) (10%) 2.7 (12%) . (in brush) (#5 3005 j i #6 400! \ _ ‘t #7 1800° . y | #8 1410' : Ly , 28.1 (76%) 4.9 (13%) 3.8 (10%) ! - 43.7 : ro ©. 47,5 113.4.-> - , 103.2 4, t ; 36.8 a " "s ob . . 36.1 J | ot 50057154 al tdhes sii Satish f° mo no : ty hi a thew wR. oe ; stineelbininihlnsdehs Shi