al p ea > 8 hy 4 SBS 4 > \ ~~ 8 ® SUS us PRECIPITATION CODE! © NO PRECIMTATION T TRACE L LIGHT (001-010 a0) Mf MODERATE (011-0081) 4 MEATY (OVER 100 We) FIGURE A.18 RADIOACTIVE FALLOUT IN THE 24-HOUR PERIOD BEGINNING 1230 G.C.T, MARCH 8, 1954 way: " serevity tamer) © tf ° pataritation a activity w oraset® at 100 pave arTER guRsT ALL ACTIVITY 18 ASSIONED TO BURST 10.1 ,aRwWO UNLESS OTHERWIDE INDICATED BY GURST HUMBER wm PARENTHESES. Ie 2 wae a ip ra ra % or 1 | j A 1 we— [ee rr’ 4 —w