Table 1. Characteristics of Isolated Particles Particle Size 16910-01 -02 -03 -04 -05 -06 -07 9 ll -09 5 -11 14 13 6 No. -08 Cum) 20 6 4 5 6 6 -10 -12 4 -14 5.5 16911-01 -02 -03 -04 2 2.5 1 2 -05 -06 4.5 2 239py (atoms) dpm 4.4 1.3 1.5 3.9 1.8 1.4 5.5 24 97 82 2.1 9.6 7, 30 38 x x x x x x x 1014 10!3 107° 1079 10! 1021 107+ 7.0 x 107+ 10° 10° 10° 10° 6.2 x 10° 1.8 x 10/7 8.4 x 10° 26 4.8 x 10! 12 7.8 x 107 2.2 x 101+ 4.3 x 10° 5.7 x 102° 4.3 x 10° 0.62 0.033 2.2 3.9 5.2 7.2 x x x x 101° 10° 10° 10° 1.1 x 1019 6.1 x 10° 3.5 2.0 6.6 2.1 x x x x 10° 10° 10° 10° x x x x x 10° 10° 109 10° 10° 5.9 3.8 2.5 2.6 4.9 x x x x x 10° 10° 104 10° 10° 3.1 1.19 0.21 0.028 0.039 1.1 2.2 3.5 8.7 7.0 -07 4d 0.048 8.9 x 10° 40 x x x x 98 8.9 x 10° 0.48 0.057 0.012 0.019 0.047 0.038 -~08 9.3 1.6 4.3 8.4 1.6 x 109 70 48 30 40 30 50 1.2 x 10° 1.8 x 109 1.0 x 10°° 0.55 16924-01 -02 -03 -04 -05 -06 “3°Pu (atoms /um?) 0.017 3.1 x 10° 0.0085 *Highly irregular. 5342 1.6 x 10° 2.8 x 10° 1.5 x 108 9.7 x 107 4.8 x 10° 2.0 x 10° 4.7 x 10°