Jcint Task Feree SEVEN ees ere 4 fl CTG'7.3 No. 1-53 | . Task Group 7.3 . “Washington 25, D. C. 7? December 1953, 1200R Appendix I to Annex G . Radiological Safety Regulations 1, The Maximmn Permissible Bxposures (MPEs) and Maxinur rermissible Limits (ls) as stated herein are applicable to a field experinental test of nuclear devices in peacetime wherein numbers of personnel engaged in these tests heve been previously exposed or will be continuously exposed to potential radiation hazards, It may become necessary from a study of personnel records to reduce the MrE for certain individuals who heve recently been ever~exposed to radiation, Further, the MPEs and MrLs are subject to revision by waiver from the Task Ferce Commander in individually desieneted cases when circumstances indicate the need and Justification therefore. 2. “The to the special nature of field tests it is considered that a policy of strict adherence to the radiclogical standards prescribed for routine work is not realistic. The reguirtions set forth herein heve been designed ap @& reasonable and safe compromise considering conservation of personnel exposures, the international import of the test and the cost aspects of | operational delays chargeable to excessive radiological precautions. In all cases other than emergencies or trctical situations, the ultinate criteria will be linited by the MPEs for personnel, Special instances. may frise such as in the cese of an air-sea rescue within the Radex, or in the . sese of a tactical situation, in which operations will be cerried out with Me | orn SO “gut regard to the MPEs and Mrls prescribed herein, For such emergency or ' tactical operations the criteria prescribed below for tactical situations _ will be used as a guide. Wherever poasible, however, film badges will be carried and RadSefe monitors will accompany such operations to determine the extent of the aetucl radiation hazard experienced in order that . appropriate medical action may be initiated. _ ‘3. a oe The MPE for personnel involved in this operetion is 3.9 roentgens (garma only), no This exposure may be acquired at any time during a thirteen . (13} week period... Provided no previous over-exposure remains for com .. “+ pengetion, 3.9. roentgens may be acquired without regard to the individuals = ' past gedlation history, This M‘E will be considered further augmented _ oe ". (wi$hout separate aetion) by 0.3 roenteens/week f or each week in excess of . cei. thigt een (23) w5 eeks of the operational periods -+ : an me “2-* OP > we : . c Gs . st . se De All expesure to external gama ‘radiation will be regardedas "total bedy irradiation,