Table 2. Table 3. Number of Events of Different Type Analyzed for Different Particle Properties Properties cf Debris That Have Been Measured Particle Assemblies Property Tower Number of Shots by Type Ground Surface Balloon Underground 21 8 8 Shape 10 8 Color 10 Density Physical a. Size and mass distributions al. By direct measurement (microscopy) a2. By size separation: by sieve analysis from impactor characteristics Pu0z;-equivalent size distributions Isotopic abundances 3 5 1 2 6 8 8 1 6 b. c. 4 5 1 1 3 Chemical Activity location 5 6 0 2 3 Magnetism 4 2 1 0 0 a. b. c. Elemental and chemical composition 7 7 1 2 7 Radioactivity Solubility 9 5 1 2 5 Measured on total sample or size fractionated samples Specific activity 15 7 6 3 7 Activity/size 17 6 2 2 3 Decay 25 ? 2 3 8 Note: . 1. This table does not imply any extent or detail of the analyses. aoc p Size Water Surface Elemental and mineral composition Solubility Biological availability (not specifically addressed in this review) Gross alpha, beta, gamma/specific activities as f (time) Individual fission products/specific abundances Uranium and transuranics/specific abundances Induced activities Single Particles i. Physical a, b. c, d. Color Shape Surface and internal characteristics Density e. f. gh. 1. Size Magnetism Electrostatic Properties Agglomeration Isotopic abundance Chemical a. b. Elemental and mineral composition--internal structure Solubtlity Radioactivity 230 a. Gross alpha, beta, gamma/ specific activities as f (time) c. Uranium and transuranics/ specific abundances b. Individual fission products/ specific abundances d. Distribution of activity