326 



Figure 1. Central Issues of the Subseabed Program 



Is Subseabed Disposal Of High Level Waste Or Spent Fuel 

 Feasible? 



Are The Oceanic Disposal Programs Of Other Nations Acceptable? 



KEY QUESTIONS 



Is There A Set Of Natural And Man -Made Barriers Which In 

 The Undisturbed State Satisfactorily Contain The Radionuclides? 



Can The Suitably Packaged Waste Be Safely Placed In A 

 Sedimentary Geologic Formation? 



Are The Barriers Still Adequate After Intrusion? 



SEA 

 TRANSPORTATION 



HUMAN 

 UPTAKE 



--k 



OCEAN '^ 



a. 



SEDIMENT 

 (Geologic 

 Confinement 

 Medium); 



PHYSICAL & 

 BIOLOGICAL 

 OCEAN- 

 OGRAPHY 



.1 



FAR FIELD (30- 100 m) 



NEAR FIELD (Heated Zone) 



WASTE FORM & CANISTER 



LAND MASS 



BASEMENT ROCK 



(Not to Scale) 



Figure 2. Subseabod Disposal Concept 



