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; (b) NIOSH and other records from health research on DOE worker populations; (c) Interviews and records provided by claimants; (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, (f) Any other relevant information.