835.1304—Nuclear accident dosimetry.
        
        (a) 
         Installations possessing sufficient quantities of fissile material to potentially constitute a critical mass, such that the excessive exposure of individuals to radiation from a nuclear accident is possible, shall provide nuclear accident dosimetry for those individuals.
    
    
    
        
        (1) 
         A method to conduct initial screening of individuals involved in a nuclear accident to determine whether significant exposures to radiation occurred;