d/m 15 16 <1 <1 0 <i 0 2,245 55 + ~) ae * 1 8 1 ee TT 4 113 136 93 Insol. Total Dop. PARC. lar (see Figs. 11 and 12), a spectrometry, On the basis of gamma sfactory. sati not were contributed by zinc. was ons ty rati activi The zinc sepa ge part of the total gamma Based on zirconiun count. 6.4 #12 4 5 8.4 <1 0 1.50r 3,289 42 23 59 2 3 31 3.5 5.1 20 - ho 6 31 21 3 mM 8 Expected * Nd AT Co Zn oF 95 3 2r 25 106 3 Ru <1 R. 1uy Triv. BE. <1 -Pr 95 0 hy 65°" 1,722 used t gr89» 99 cat! pal? ce Samples on Selected Marsh Plankton December 1956-January 1957 Radiochemical Analysis Made 5 number Sample aliquot in each Table 6.

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