Table 1. Resuspension Factors Air Ground Concentration Deposition Thorium-228 8.6 17 5.1 x 10 Thorium-230 14.7 28 5.3 x 10719 Thorium-232 8.2 15 5.5 x 102° 41.9 68 6.1 x 10°29 0.7 1 7 x 1072° Nuclide Uranium Plutonium-239, 240 (aCi/m3) 732 (nCi/m?) RF (m7?) -10