Non-fission products observed by gamma spectrometry Table 6. Specimen Collection site Collection date n> zn°> Fe” Fe?” 60° Co Co?! Algae Fox! Asparagopsis Elmer Spyridia Padina Halimeda Spyridia Asparagopsis Rhizocl onium Enteromorpha Spyridia + 9-23-56 " " 1 How 2 " " " 9-22-56 " " 2 Belle " " 9-30-56 9-19-56 " " Fox} 9-23-56 + + + + + 9-1956 weak ? + ? weak weak weak + + weak weak weak weak Land Plants Messerschmidia Scaevola leaves Arrowroot corms Coconut meat Land plants Sida Sida Scaevola stem Messerschmidia How " 1 Nan’, Vera 2 Janet 2 Belle " 9-22-56 12-20-54 9-24-56 3-30-54 9-29-56 4-24-56 4-26-56 9-19-56 + weak + + + weak weak weak + weak weak weak Plankton Nan? Plankton Tewa Plankton Deep Plankton Walton Plankton 8C Open Plankton 9D Open crater? Pass sea sea 9-24-56 9-23-56 7-17-56 6-1956 " + + + strong weak + ? weak weak weak -St- Halimeda

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