By Arnold M. Friedman (Eds.)
content material: The position of actinide habit in waste administration / John W. Bartlett --
Moisture and solute delivery in porous media / Merlin L. Wheeler --
The migration of plutonium and americium within the lithosphere / S. Fried, A.M. Friedman, J.J. Hines, R.W. Atcher, L.A. Quarterman, and A. Volesky --
organic pathways and chemical habit of plutonium and different actinides within the surroundings / Roger C. Dahlman, Ernest A. Bondietti, and L. Dean Eyman --
program of the field version concept to the geophysical delivery of PuO₂ : geochemistry of Pu(NO₃)₄ / A.T. Jakubick --
Oklo, an scan in long term geologic garage / E.A. Bryant, G.A. Cowan, W.R. Daniels, and W.J. Maeck.
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Extra resources for Actinides in the Environment
As can be seen, at the slower velocity the peak i s much sharper. +4 of to in k, Surface Absorption Coefficients: Variation with Concentration Dissolved SaltsT This aspect of the Investigation attempted determine the effect of dissolved s a l t s , which may be present natural ground waters, on the surface absorption c o e f f i c i e n t , defined as: k = (activity/ml solution)/(activity/cm 2 stone) There were three sets of experiments. The f i r s t set consisted of measurements of the surface absorption coefficient of americium and plutonium on basalts and limestones.
An effort was made to avoid the inaccuracies inherent 1n at tempting to count alpha particles from concentrated s a l t solutions of Pu. The use of P u was indicated and accordingly aqueous solutions of P u in separate tubes were prepared into which tab lets of carefully cleaned, accurately measured Chicago dolomite were immersed. After allowing contact for approximately f i v e days the tablets were removed from the plutonium solution and counted in the gamma ray spectrometer and the amount of P u absorbed de termined.
ACS Symposium Series; American Chemical Society: Washington, DC, 1976. FRIED E T AL. Migration S in Lithosphère TABLE II Electromigration of Pu and Am ions. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1976. 16 km/year. Figure 23 i s a plot of the a c t i v i t y distribution of P u migrating from a hypothetical depository. As can be seen in Fig. 24 the bulk of the P u would decay long before i t could migrate 1 km. Thus, in the event of a catastrophic intrusion of Pu into an aquifer (1n one of these media), the bulk of the Pu would not survive the migration to the external environment.