ACTIVITY C9 AIR FLTERS ieee mer? =O »~ ACTIVITY ON GLAIMED PAPERS—PRECIPITATION emsirtieny L.otemmed paper etwtynes than 2O0.0/m/tt*aayen counting doy. sonane,Towene, nao” ‘Dede Hiner ecrrty bate C5 @/tn/moter’ pn collection écy oantweny erranbed te KING Mvbhemng deta + Seambors w parentheses paweved 39 bs ter wreng Gey or etenan or eherewe norte Figure A.19 Radioactive fallout in.the 24-hour period beginning 1830 G.C.T., 10 Nov. 1952 -