NVOO Central Files oy G Miscellaneous Files Reviewed, June, 1975 Contained herein are a number of files on the medical and health and Rad-Safe aspects of NTIS operations. The gentleman in REECO concerned with such . | Bun. things is the manager of the Radiological Safety Department, William 5. SF Johnson. Also involved in this correspondence during the moratorium is Major Gordon Jacks, then in Albuquerque. Included here are records by REECO of the radiation -exposure to the various mining crews in Area 12 doing mining operations during the moratorium. Overall gamma radiation exposure to each crew accrued during periods of time & indicated as well as the radiation level shown at variouspointsin the tunnels, for instance in the main turmel of U12E and in the % drift at the end of May, 1959. Correspondence indicates that among others the following at the Laboratories were concerned with radiation levels to personnel and in various NIS areas: R. Scott Bybee, Livermore-Nevada and Jerome E. Dummer of LASL.