F, The following dat: era meporiea for single particles ents ited tart Upshot-Knothole* end Tumtler-Snepper**, Pirclof Portishes fp) Activity Futrapoloted Mies Pe ye) Bistonenfrom Fonfore (RAGS| weeRK E 1,009 £5 ene RHE z00 120 900 10 919 480 i 723 350 14.7 Td 400 10. 993 149 1L.7 387 259 14.7 £7 Ve? ~ 1,626 x 924 234 115 5.2 G5 81 30 MALT It is not intenfel s.re to durly theses ave the maxdimcm. snecitice activities per particle trat existed or could exist. The data st 22." mile: are reported to shew the wide renge of specific activi: that us; oceur at one locality, *WT~811, "Distribution and Characteristics of Fallout at Distances Greater than 10 Miles from Ground Zero, March and April 1953", Rainey, C.T., et al. (SECRET) and La~1685. F*XUCLA-243, "Preliminary Study of Off-site Airborne Redioactive Materials, Nevada Proving Greunds", February 1953 (SECRET) sand LA—1685. #**Data from estimations based on radiosutograph methods. - 69 ‘ . se : - uk Ss sad eee