been compensated for, where possible, with inferences drawn from secondary sources and the exposure records themselves. The work was performed under RDT&E RMSS B350079464 U99 QAXMK 506-09 H2590D for the Defense Nuclear Agency by personnel from Kaman Tempo merly General Electric--TEMPO) (for- and R.F. Cross Associates as subcontractor. Personnel contributing research, editing, and graphics and not listed on the DD-1473 form include: S. Bruce-Henderson, Kaman Tempo, Santa Barbara F.R. Gladeck, Kaman Tempo, Alexandria J.H. Hallowell, Kaman Tempo, Santa Barbara F.W. McMullan, Kaman Tempo, Albuquerque R.H. Miller, Kaman Tempo, Albuquerque R.E. Pozega, Kaman Tempo, Albuquerque W.E. Rogers, Kaman Tempo, Santa Barbara C.F. Shelton, Kaman Tempo, Alexandria P. Sturman, Kaman Tempo, Alexandria B.L. Treloar, Kaman Tempo, Santa Barbara L. Berkhouse, R.F. Cross Associates , S. Davis, R.F. Cross Associates P. Dean, R.F. Cross Associates M.K. Doyle, R.F. Cross Associates C.B. Jones, R.F. Cross Associates. Guidance was provided by the Biomedical Advisor of the Defense Nuclear Agency, Dr. Edwin T. Still, and Mr. Kenneth W. Kaye of his office.