Unclassified 



SECURITY CLASSIFICATION OF ' 



20. Continued 



quantity of seawater which permeated through the concrete for phenolic-coated spheres 

 was about 0.8 cu ft and for uncoated spheres it was about 1.6 cu ft. This test program is 

 planned to continue through 1981 (total of 10 years). 



Unclassified 



