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Figure 31. Comparison of Mean
Activity Concentrations of 239,240Pu, U, and Th
Isotopes from Sediments Collected
in 1997 and 1998 from Brantley Lake
Error bars are 1 standard error of the mean value.
Figure 32. Comparison of Sediment:
Soil Activity Concentration Ratios
for Select Radionuclides
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