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A Comparison of the Distribution of Industrially Released ²³⁸Pu and Fallout ^239,240Pu in Temperate, Northern United States Soils¹

ABSTRACT

Studies of ²³⁸Pu dispersed from the stack of a nuclear fabrication facility in southwestern Ohio indicate that the predominant deposition occurs within 8 km of the site. Plutonium-238 from this source exhibits the same relative solubility as ^239,240Pu from fallout. Both ²³⁸Pu from the facility and ^239,240Pu from fallout move downward through the soil column, but ²³⁸Pu appears to have moved more slowly. Reasons for this apparent differential behavior are explored.

Key Words: transuranic elements • particles • movement • plutonium • cesium • nuclear technology

¹ Contribution from the Radiol. and Environ. Res. Div., Argonne Natl. Lab., Argonne, IL 60439. Work performed under the auspices of the U.S. Dep. of Energy.

² Associate Research Ecologist, Savannah River Ecol. Lab., P.O. Drawer E, Aiken, SC 29801; Scientific Assistant, Ecol. Sci. Section, Radiol. and Environ. Res. Div., Argonne Natl. Lab., Argonne, IL 60439; and Professor, Dep. of Chem., Tennessee Technol. Univ., Cookeville, TN 38501; respectively.

Received for publication June 16, 1979.

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