16 ig -..y. wre ida OL, Gompensating tor une additions fron tae 1956 fallout imperceptibly Steepen tne decline, thus increasing Lr punec between decay and decline slopes. Tle con3sislelut acreriment in JjJecay rate between the two Plankton simples reculting from pueired tows (last column of Tuble 2) 4s a pnenomenen of special interest. As examples, the pair of samples from Allinginae on Gctober 23, 1955 had decay Slcepes of -1.5¢ and -1.53 wnile the pair of samples from the same sagduu on toe following day hao slopes of -1.71 and -1.73; the ecunts ta January 1575 also snov nearly equal decay rates for the towS a Paired tors. This untformity !n decay rate for paired plankton S2;.es5ts uniformivy 1.1 raciochemical compostion at any one Sane ane loeniity, but alirrerenc composition in the plankton at d4r2 ryeut ulies Or Joaslivties. D.pin: the virsc «e rzars (1754-55) Kabelle Isiand samples were 2-5 Clines 27956 .§ Mivioactive 2s those from Rongeiap Island. he : twins sep'es riisec tne July 3956 values of the Rongelap Islas. ve gion abeve S1o3e cf Kare@aie, but by July 1957 Rongelap values ceerineu ve a level far below Kabelle, only to exceed (al- trounor stenifieantl: ) Hareiie again in Mareh 1958. of By August ¢ iv} rFougelap was suite siinificantly higher than Kabelle. Tne {allows trom the HYardtacx series is reflected in the higher levels of as{tivity in August, thuna in March 1958, fi)