stent | 1 i i FIGURE A 39 RADIOACTIVE FALLOUTIN THE 24- HOUR PERIOD BEGINNING 1230 G.C.T, MARCH I9,1954 ” wey acTIVITY twurst} PRECIPITATION ACTIVITY IN ormser? AT 100 DATS AFTER BURST ALU ACTIVITY (8 ASSIGNED TO GURST HO 1 ,OAAVOD UNLESS OTHERWISE INDICATED BY BURST NUMBER IN PARENTHESES. 128