“ els N or this algae is eaten by some of the fishes and the fishes WwW in turn then will pick up the lodine, and the most Specific Ff radiation damage that has been measured in direct reasurerent uw have been-the destruction of the thyroid in some of the algae- va eating fishes. ont and the--- wow ~ are very germane to over-all evaluation because this cler stable content this does have normally? 10 121 12 13 14 15° We were interested in the retabolic transfer DUNHAM: May I interrupt and ask you what kind of DONALDSON; It has so much that we would not eat it because it has a bitter iodine taste. DUNHAM: It's red. Does it have a high lodine requirerent for survival? * 4 . DONALDSON: I don't know the physiology of it. DUNHAM: When you say it concentrates perhaps a 16 millionfold, you mean compared to the concentration of radio- 17 iodine in the water? 18 DONALDSON: UPTON: 20 Yes. Rapid lodine turnover in this organism? DONALDSON: I rather doubt it. I think it probably 21 is always at a relatively nigh level and the limiting factor 22 may be amounts of lodine available to it. 23 2h 25 26 27 28 UPTON: Is it a repidly growing plant? ‘DONALDSON: UPTON: Yes, It grows rather rapidly. So that it's building a new cell and bulid- ing in new lodine, | DONALDSON: WOLFE: Yes, We have in Canada an algae in the Asean 29 Cara in the river which have very large amounts, 30 could be taken into the water except for sophisticated 31 techniques and we analyzed the coral for mangane®@arc found 32 that 20 per cent of the ash was ranganese, 33 DONALDSON: Yet it ee ee I think the specific concenzvrations Stafford Warren DOB/JUCLA