UNCLASSIFIED TABLE 5 Biological Decay Constants for Sr® in Organs of Mice Following Exposure to the Dry Particle Aerosol Or gan Ky c/m x 1074 Ke c/mx 1072 Ar. Ae days"! days! Stomach 2.3 0.26 6.06 0.133 Small Intestine 27.0 0.44 9.09 0,128 barge Intestine 94.0 1.2 3.24 0.119 0.23 0.31 2.77 0.162 ° 0.15 ool 0.040 Liver Respiratory . Tract & Lung 0.34 Head 4.4 11.4 3.47 0.015 Skeleton 2.6 25.5 1,54 0.019 Note: 2 General form of equation for biological decay over 28 day period: A. Ke vy Kye A ot -14- EBEER BEE £ fi rpg bP 2 ob ge