, tiimana en rTcamnemundial -&0oand fish squash, papays, crab e th th wi ly nt re ur conc percent. ples were 8 & t 3.1 From the amount of sr? paration eh vas determined by se 0 present of x79, daughter of Sr’ 90 ; it sent ount of Sr 89 could be pre am l al sm a ly on at th t bviden bie VII). . lyses are given in Table VII Tne results of the cel44 ana 6 ve in erab muscle, while f maximum amount found was 5 x 107 s. vas found in some coconut sample Cerium analyses were nitrate precipitation of ow of the filtrate from strontium coconut, pandanus fruit, ated in the above table. squash, orab, and fish samples The rare earths were extracted with the trivalent Mbutyl phosphate, and cerium was separated from | e earths by ceric todate precipitation. Recovery from Ppiked" samples of non-radioactive fish meal ash run conrrently were 73 percent for coconut and pandanus fruit, and | percent for all the others. Determinations were made of the amount of radioiodine | ‘sent in three land plants and two algae collected at Rongelap 021 on March 26, 1954. These analyses made on April 24, 1954, loved the procedures as outlined by Glendenin et al. The counts as obtained were corrected back to March 26, cE yt31 was present in all five plant tissues counted, vary- from 0.47 percent to 0.029 percent of the total activity ‘Olendenin et al., : |Radtoch iodine.” R "In terchange of radioactive iodine with In Coryell, C. D. and Sugarman, N. chemical Studies: The Pission Products, Book 3, D. 1629, McGraw-Hill, 1951.

Select target paragraph3