82.13—What sources of information may be used for dose reconstructions?
         NIOSH will use the following sources of information for dose reconstructions, as necessary:
    
    
        
        (a) 
         DOE and its contractors, including Atomic Weapons Employers and the former worker medical screening program;
    
    
    
    
        
        (d) 
         Co-workers of covered employees, or others with information relevant to the covered employee's exposure, that the claimant identified during the initial interview with NIOSH;
    
    
        
        (e) 
         Labor union records from unions representing employees at covered facilities of DOE or AWEs; and,