for revision, most of which were accepted, Similarly; -NSRBDocument’ 130, * received AEC. staff review:and’coments -. es : en Oe re TPEae carlyrelease. | i! 3 ames, aa Ne MS * el + » — . Sater eg Bet ott 2 ‘ oe : “ f mes heStas ete z te LE a Fe 4k apt wer le awe ( cava ‘safety surveyof West Building offices. | She: Acting ChieFe Defense Liaison Branch, has recently examined the offices of th Commis: sioners, General Manager, and Division Directors located inthe[main ©. building to assess the vulnerability of each to blast damage infevent of a surprise bombing attack. Recommendations have been made on the basis of this examination for internal rearrangement of several of th offices to afford maximum protection to the occupants. ice held in Washington on October 6, 1950, for the. purpose of a consultant, along with representatives of other interested Fefieral agencies, to the panel on Civil Defense. Joint Institute of Radio Engineers and Américen Institute of Electrical Engineers conference. The Acting Chief, Civil Defense iiiaison Branch, participated in’ the panel discussions on atomic bomb efffects and protective measures of the Joint IRE/AIEE conference held in, Nqw York on October ek, 1950, Radiation Instruments Branch The circulation of RA-DET, starting its fourth year of plication with the November issue, has climbed to 621 copies which are dgstributed ‘primarily to AEC installations and its research contractors. owever, a large distribution is made to the Department of Defense, USGS, the U. S. Public Health Service, and other Government agencies having re fated interests requiring radiation instrumentation. Plans are under way for the production engineering deve lopment of an Oak Ridge National Laboratory-designed fast neutron survey Peter of the proton recoil type. Because of the extensive intérest in this instrument by Commission installations requiring reliable fast neutr bn survey | equipment, this project will be given high priority. Also under consideration for production development is A gamma. scintillation counter, designed by ORNL, which not only is on of the most sensitive instruments developed to date, but is extremel reliable. The possibility of using this instrument to detect nuclear weapons will be investigated. Plans for the Radiation Detection Instruments Branch in Greenhousé Project 5.1 are proceeding on schedule. - 33 - stable and

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