5. TEST PERIOD OPERATIONAL GUIDES a. Radiation Exposure The maximm permissible exposures have been defined by the Division of Biology and Medicine, AEC, Washington, D.C. The dosage of any individual shall not be allowed to exceed this maximm level. The total cumlative exposure to TG 7.5 person- nel authorized by current JIF-7 directives is as follows: (1) Gamma -- a maximum of 3.0 roentgens per any 13 consecutive . week period, with a maximum of 5.0 r within a period of one calendar year. (2) , Alpha -- 10,000 units per any consecutive 13-week period, computed by multiplying the average air concentration in the area of exposure in a/m/M> by the hours of exposure, when no protective equipment is worn. This excludes natural background. be. Radiation Exposure Control (1) Persons in charge of work or construction parties are responsible for controlling the radiation exposures of their personnel. (2) Any exception to these guides must be approved by CTG 7.5 and CJUTF SEVEN. COPIED/DOE LANL RC