enemas ee Operation Plan CTG 7.3 No, 1-53 instruments, dosimeters and film badges will be used as indicetcrs of the accumulated exoesure to radioactivity. Only personnel involved in werk near, er in, radioactive aress will wear film badges to provide a permanent record of exposure, except for a few film badges issued to wits of TG 7.3 for an indication of exposures of personnel in the event that unit is caught in "fall-out", f. The intensity of the radioactive hazard tends to decrease with time due to desay of radioactive materials, and dispersion and diluticn, depending upon climatic conditions. As an anproximetion, the intensity ef the radiation from the fission products decreases by radioactive decay inversely with the time after the detonation, 4. This appendix has been designed fer reduced security clessific»tion in order to vermit wide dissemination to all versonnel of the commend, and may be downgraded te UNCLASSIFIED provided all references to Joint Task Force SEVEN and its subordinate units ere deleted, H. C. BRUTCN Rear Admira) Commander AUTHENTICATED s CLC) 7Se 7 se “7 “~ A. C. DRAGGE LOOR Flag Secretary G-II-3