Ex 900 Lereh 21, 195) DA AEC ASH DC - advisors and scientific Cirector, I nave authorized a maximm 2 Loe persdssible exporore (radistien) to a linit of 7.8r (gama only) ;re a3 a8 amr tine a arate the 13 week pericd of the opérat Sted mmuer of critical Naval pers umel. oO ty PY Os ney be ecquired at QQ After receiving advice from ry staff surgeon, radiological safety hy radiological _ 3 Of) ~~ ad rm yo ations which have ccen avoroved vy the Departments of the ray, Uavy, Air Force, and by the ASC contain the mrovision "the j are subject to revision ty raiver from the Task Force in indivievally designated cases when circumstances, indicat rd be tre ewe ocelot G21.02 and custification therefore", The same regulation referred aiins authority for MPs of 20r (garaa only) for the oneratic ati period for crew nembers of saanling aircraft. e above c 4 elicovter rilots f boat pools 75 : flight deck crewmen of of USS Fhilliss (DDEL98). o 7.8r incluses te 3 1 USS 2atroko, and ditionally to inercase to the same limit a small nunter o vot renpbers of critical eroins Listed ab ove who alresdcy at in the fatre the Fhillinps will not be in the sunt atoll except in emergency. Every effort will tre made to assSgn personnel with cosages of 3,.°r or :.ore to activities reoquirirg minimem or no exposure. In the inter P efficiency an continued orezress and cost involved, coupled with jeance of any doses in the region of 7.8r, plan these nersonnel. rarch 21, 195) BEST AVAILABLE COPY 2359 — DOE ARCHIVES NAVSTA ied LEC YESH OC Re ceived from Maunin. Dick Johnston all s Receiver on Zairokes eech gant fail to receive if 3airoro has to move Bout to large distance o: ae if celay cause battery failure. Dunham sends. ay S6