63.7—License not required for certain preliminary activities.
         The requirement for a license set forth in  § 63.3(a) is not applicable to the extent that DOE receives and possesses source, special nuclear, and byproduct material at a geologic repository at the Yucca Mountain site:
    
    
    
        
        (b) 
         For use, during site characterization or construction, as components of radiographic, radiation monitoring, or similar equipment or instrumentation.