FIGURE A2 ” at / ——z a4 002 B 4 tounst) © PRECIPITATION a TIVITY —_— - ir ae ALL ACTIVITY 1p ADGLONER TOBURET NO |, enavD, YA ROO CTNERDISE INDICATED BY SURG! fuueEn iN PAREN THEOED actinnry we erusey® av wwe pave atten quest uey 1230 G.CT, FEBRUARY28,1954 4 ‘tI a RADIOACTIVE FALLOUT IN THE ~~" 24-HOUR PERIOD BEGINNING