-17- the obteining of good results are 1) roor placing of stations due to miscelculations of the thernal energies and 2) the possibility thet the pigs will be too large for use. The detz f-om mouse inheletion studies will be difficult to intervret althouzsh it mey give some clue to particle size in the cloud. At best, zood data will be obtained effects and shycical measurenents. solve the discresencies in the correlating bislogical This should help to interzretetion of dosege in the Japanese and the arguments es to dose-intensity effects. If the results from the various tests should not jibe or should conflict, it mey still be >os idle to discriminate between true and spurious results. The problems which will not be solved by this test are imvoszible to anticinate, my saecds is thet if you ere slenning anotner test, but the dose- invensity cuestion should de considered as the most likely to be still in cuestion. Another practical piece of information, which can 9.2 obteined in tine in the laboratory but which could be determined (with limitations) at a later test is the combined effect of ionizing and thermel redietions on large enimals. Nove: Donaldson will not participate in test end testing like thet done at Bikini will not be carried out. na re SOT