PLUTONIUM IN ROCKY FLATS FRESHWATER SYSTEMS 653 



TABLE 3 Distribution of Plutonium 



Concentrations in Depth Profiles of Ponds 



B,, 82,63,64, and Ci 



TABLE 4 Calculated and Measured 

 Inventories of ^ ^ ^ '^ "* ° Pu in 

 Holding Ponds During 1971 



*Calculated values are from the 

 retention function obtained from lab- 

 oratory experimentation. 



