US DOE ARCHIVES me-26U. S. ATOMIC ENERGY COMMISSION | We ana c| Collection __//32 Box Folder aw 2 3363 #* 2/ shielding and to the Air Foros Group at Austin, Texas, in setting up the long-term program, . Tentative designs were approved for the experiment. at Austin, Texas, in which artifielal sources wuld be weed, and for the pilot experiment te be conducted at Oak Ridge. miltiple types of radiation. The device, know es @ Tissue Equivalent Chamber, is constragted out of plastic mterial that has approaimately the sane ratio of hydregen, aitrogen, carbon, and axygen as body tisme. Times, the physieal response of the chamber to radiation i einklar to thatwhich oscurs in body tissue. Eaployed as an "all-purpose" integrating chaaber measuring i~rays, gas rays, and nestrons, it will be possible te measure dagages with a auch greater degree of acouracy than with present instruments. ‘This characteristic will anke the new iostrument, of mach value to health physics end blologiesl progrand, In order to sake thie instrument avallabie quamerclally at an early date, the Radiation Instruments Branch plans to initiate an engineering development contract. Several major instrument cos- panies have already expreseed an interest in undertaking this work. moms and to evaluate dosuee-distribution patterns and theie a. Analyses of the relationship between redicactive body content and the clinical history of 30 lumen esses whe received osrtain epee f DOW ARCHIVES