642 TRANSURANIC ELEMENTS IN THE ENVIRONMENT 



systems having vastly different ecological character. So long as this pond remains in its 

 present condition, the Ukelihood of its releasing hazardous quantities of plutonium to 

 man and his environment is very small. 



Acknowledgments 



Advice in the interpretation of data provided by Battelle Scientists R. F. Foster, D. G. 

 Watson, J.M. Thomas, L. L. Eberhardt, K. A. Gano, R. E. Fitzner, and R.J. Serne is 

 greatly appreciated. We also wish to express thanks to the Atlantic Richfield Hanford 

 Company for providing assistance in the funding of radioanalysis. This research was 

 funded by the U. S. Department of Energy, Division of Biomedical and Environmental 

 Research, under contract No. EX-76C-06-1830. 



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