Table 1 Susmary of the results of chemical separations (ion exchange) on six selected samples analyzed August 27, 1958 and the levels of wi55 determined by gamma spectrum analysis of eight plankton samples from the Collett survey. Values given in d/a/g dry weight of sample. ‘ Isotope wi85 c057 Celtl-144 Fux203-106 Station Station Station Station Plankton Plankton Plankton Plankton -- 1, 600,000 #2 #8 -- 13,400,000 - 83.19 60,000 210,000 8.48 13s . _ 22,000 . gphTE ne Zr95yp95 #36 130,000 86,000 5.64 Flying Flying Liver* Muecle* ‘on -- Fish 59.7% 15,000 3.2% - 300,000 3.18 # a. 2.3% - __ 33,000 36,000 trace trace trace s * : 320,000 62,000 67,000 trace co? 290,000 750,000 550,000 430,000 76,000 0069 22,000 40,000 8&4, 000 34,000 5,200 m6 88,000 Bal401,140 ue37 ~s 1.9% a0. 48 4.7% 3.18 0.2% 2.7% -- -- -- -. -- 170,000 190,000 21,000 ~- 23.7% 1.2% 2.9% -- -- 770,000 300,000 -- -- 120,000 -- trace trace 120,000 4.58 -- -- 33.2% 37,000 29,000 ywi85 Stations Station Plankton Plankton 21,000 140,000 #22+#23 #27 11.2% 5.2% 550,000 23.7% 0.2% mS 7,000 0.8% 30,000 0.3% 12.7% Stations Station Startton Station Station Plankton Plankton Piankton /Fiankton PYanikton 280,000 1,300,000 21,000 #26e#29 13,000 -_ 650,000 4, 6,600 110,000 150 1.0% 84.28 -0.9% 2.2% 1,700 11.0% n6.68 reo? 1.5% 32.28 1.34 -- 12.3% 26£008. Isotope 16.0% 3.64 ke “ 2.5% 23.78 met Feo? 350 6.54 38,000 grf?-9 Fish #1 #RE *Collected August 12, 1958 ##analyzed November 6 - 10, 1958, corrected to August 27, 1958 #87 #38 230 1.5% Station #39 Planiston 890,000 19,000,000 8,000,000 -

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