A general strategy for the exploration of crystalline rock masses in the<br/>eastern United States for the identification of potential sites for high-level<br/>radioactive waste repositories has been generated by consideration of the<br/>Department of Energy (DOE) Siting Guidelines, available information on these<br/>crystalline rocks, and the capabilities and limitations of various exploration<br/>methods.

The purpose of this study is to provide a preliminary geotechnical data base sufficient to initiate the development of Long-Term Risk Models (LTRM), for salt domes, basalt and crystalline rock, and identify technical issues requiring additional investigation.