(Although not of direct concern & the Nevada Proving Grounds, it is of interest to note that soiis were collected from the Marshall Islands follewing the faliout in early March 1°52 appendix | summarises these data. ) A recent report® strongly suggest: that contamination of leaf surfaces folloved by either direet consumption or intake by way of milk is far more en tsportant pathway of intake than by the soll-plant-animal cycle, at least for thovse times of yesr when plants say be in a state of growth to eollect the fallout. Purtner anadysis is being plarmed. This same report® raise: a new prosiem. Based on stated assumptions, tie data presentec indicates tuat doses to the thyroid from fodine radiofaotopez may be « greater casard tras ee Further, the report suggests that fortrose time: sf year vhen intake sf fallout materielnayows by way 2f-jeafy-curfneee, the dose to the tnyTo‘! ‘delivered in a few weeks) may be many times greater than the theoretica mexim: external dose, Additional evaluation will be given thi> problar evort on Gabriei. Leu. duly i734 BP°aEC, DMvision of Biology end Medicine, EOC ET Ure ccs we tees ee Ses washington,