qm. samples. PRIVACY ACT MATERIAL REMOVED The plastics were prepared by the New York Naval Materiel Laboratory, the metal samnjeg .by. the.Navel &xpe rimental Station, Annapolis, Md., and the rubber samples by the Rubber Laboratory at Mare Islend Naval Shipyard. Suitable racks for mounting these materials in the field were ordered manufactured by the San Francisco Naval Shipyard under the direc tion of Lt. Wig. In addition a complete list of tools required to erect the racks in the field was compiled. All material was crated and sent to Terminal Islenid where it was placed aboard the USS BAIROKO for transport to the test site. Test of Crystal Dosimeters. One of the most urgent defensive problems-prasented by the possibility of atomic warfare is that of being able to determine quickly and with a fair degree of accuracy the amount of radiation exposure of casualties. At a time when medical talent, facilities ami materials may be extremely limited in availability it will be highly desirable to provide treatment on a priority basis to those individuals who have a reasonable chance to recovers It is logical to assume that at some future date a beneficial treatment will be developed. The first step in any rescue work would then be the segregation of personnel] with potentialities for recovery from those who have obviously received a lethal dose. This indicates the necessity of every individual who may be subjected to such an attack being provided with a total radiation dosage indicating device which would cover a renge of from about 200 to 1000 roentgens. Additional de- sirable features of such devices would be that they should be light, cheap, require no up-keep and be capable of being read easily by relatively 33 Section IX D PRIVACY ACT MATERIAL REMOVE -..

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