Table 2. Particle Size Distribution of Selected Samples in Percent From NTS, ML, and ORNL Without (A) and With (B) Ultrasonic Treatment (Tamura, 1976b) NTS NTS ML ORNL Sample Code Al3 - 14 Size Range zOt (um) > 2000 2000 - 340 840 - 250 250 ~ 125 125 - 53 53 5 20 5 52 < 2 Total A Al3 ~ 18 B 8C - 43-47 A B A IRB - 1 B A B 19.5 7.2 24.3 21.1 17.6 5.2 2.4 1.4 1.3 19.4 7.2 22.1 18.7 16.3 6.3 3.3 z.7 4.1 2.7 3.0 20.2 29.6 33.6 8.5 1.1 0.5 0.6 2.7 2.9 19.6 24.7 28.1 10.1 3.2 3.0 5.4 0 0 6.9 6.9 6.4 28.8 32.2 9.5 10.3 0 1.9 4.0 2.8 3.7 22,2 28.4 7.2 29.7 -—----—— --0. 7* 23.3 42.9 10.8 19.6 -----— --—« 1.2* 19.8 38.4 9.8 28.6 100.0 100.2 99.8 99.7 100.1 99.9 99.3 99.78 * Percentage greater than 53 um. Table 3. Size Range (um) 2000 - 840 840 - 250 250 - 125 £01 125 - 53 205S< 2 53 20 5 2 Ultrasonic Treatment Plutonium Contribution (%) by Particle Size Without (A) and With (B) (Tamura, 1976) NTS NTIS Al3 - 1A Al3 - 18 B Bs oT a 7 _ O.1 0.1 0-2 --3.9 1.8 75.1 6.3 0.8 0.4 73.2 14.9 4.2 1.5 24.8 29.8 16.9 L7.1 100.1 99.9 99.9 0.3 0.2 0.3 44.4 27.0 2.6 1.0 50.9 32.7 4.5 2.9 8.3 14.9 100.1 100.1 26.7 A 0 1.5 0.9 Q.5 1.5 1.4 *The A series of ORNL sample was not analyzed. IRB - 1 8c - 43-47 B A B A ORNL ML . . --- 6-4 12. 11.8 69.5 19-3 2.0 ee . 100.0 68.0