KomthlyStatus Rd,rt, Ogteber.19S. athena id Owead Yah usble observations were nade oftheradiclogieal safety operation under actual field eonditions. ti.on nt and Source Loan . ~ During the aonth, arrangenente were made for the loan of instruzents and sourcea for civil defense training purposes as follows; instruments: New Jersey State Civil Defense Agency Georgia %tate Civil Defense Agenay Rock Island, Dilinclis. Georgia State Civil Defense Agensy sane a ie eee Bock Island, Tilineds. (a) Inquiry wes continued daring the month inte the effectivenese of shielding wheres gamma raye enter the shielding saterial at an angle. There appears to be a lack of experinental evidence on the matter, but the consensus is that the umodified slant dimensions nay be used, (b) The plans ef the storage facilities at Rocky Flats vere exmined and approved. (ce) Several portions of phasplet, "Design Criteria" which the Division of Construction and Supply is preparing ap a guide for architest-enginesexs on AEC projecte were received daring the month, end certeln changes suggested, (d) The Branch participated in anectin;, to review the report of Harris and Associates on the Savannah River Operations ‘walled by the iivisions of Produetion, and Construetien and Supply. Hadiation te Branch Counter ~ Clans are being formilsted for a symposium which is to be held at the National Surem ef Standards and will be jeintly sponsored by the Institute of Radice Anerigan Institute of Mlectrical (mgineers, the Jurem of cs, Standards : and the U. 3. Atemle Snergy Commiasion.. It is planed to number of persons from the atomic energy projecta and fron firas in Canada ad the United Kingdom whish manufacture photomitiplier tubese OFFICE > a