270 



Idaho Falls, ID., U.S.A. 



EXPERIMENTAL BREEDER REACTOR II (EBR-II) 

 Argonne National Laboratory (ANL) 

 U.S. Dept. of Energy 



"Big Science" Descriptor : Nuclear reactor research 



Description of Facility/Instrument ; This reactor provides 62.5 mega- 

 watts-thermal; 19.5 megawatts-gross electrical; 95 percent uranium 

 metal 67 without enriched U-235 cooled with sodium. It is used 

 to test fuels and reactor operational characteristics. 



JJate of Construction : Began in 1958, criticality was achieved in 1963 



Construction Cost : Original : $30 million 



1984 $$ : more than $100 million 



Present International Cooperation 



Nationality (s) of Ownership : U.S. 

 Nationallty(s) of Operational Funding ; U.S. -Japan 

 Nationality (s) of Management Staff : U.S. 

 Nationality (s) of Researchers : U.S. -Japan 



Potential for Future International Cooperation : There is good 



potential for international cooperation, joint programs, and the 

 exchange of personnel. 



