Multiple Addressees Either might be worked out. -2- January 24, 1972 Both appear to have disadvantages. appears that annual collections by Conard from Bikinians It on the island at the time of his visits might be the most suitable from the point of view of avoiding unfavorable notariety and the cost and complexity of arrangements for sample collection and preparation. I would value hearing any thoughts and suggestions regarding this matter. Nathaniel F. Barr, Assistant Director for Radiological Physics Division of Biology and Medicine