FIELD STUDY OF THE AgPO$sub 3$ GLASS PERSONNEL DOSIMETER (U.S. NAVY DT-60)

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>The U. S. Navy DT-60 dosimeter was evaluated under field type conditions as to its reproducibility and accuracy of gamma x-ray, thermal and fast neutron and mixed radiation responses. Gamma and x-ray responses from 25 to 600 rads at energies in oxcess of 200 kev were found to be accurate within 20% in 92% of 160 dosimeters examined. Because the DT-60 was found to have no detectable fast neutron response, effort was directed toward exaggerating the thermal neutron response to approximate the total neutron dose from a nuclear detonation and also toward eliminating any neutron response in a mixed neutron- ... continued below

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Ballinger, E.R. & Harris, P.S. January 1, 1959.

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>The U. S. Navy DT-60 dosimeter was evaluated under field type conditions as to its reproducibility and accuracy of gamma x-ray, thermal and fast neutron and mixed radiation responses. Gamma and x-ray responses from 25 to 600 rads at energies in oxcess of 200 kev were found to be accurate within 20% in 92% of 160 dosimeters examined. Because the DT-60 was found to have no detectable fast neutron response, effort was directed toward exaggerating the thermal neutron response to approximate the total neutron dose from a nuclear detonation and also toward eliminating any neutron response in a mixed neutron- gamma field. This was accomplished by various combinations of lithium, paraffin and cadmium shielding. Data indicate that the DT-60 dosimeter can be modified to approximate more closely doses from specific types of mixed radiations; however, this generally detracts from its value in approximating other types of mixed radiation doses. A paired system of dosimeters, in conjunction with one of the fast neutron dosimetry systems is proposed as being the most satisfactory ar rangement to approximate mixed radiation doses to personnel in the field. (auth)

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  • Other Information: Orig. Receipt Date: 31-DEC-59

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  • Report No.: LA-2298
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/4205249 | External Link
  • Office of Scientific & Technical Information Report Number: 4205249
  • Archival Resource Key: ark:/67531/metadc877493

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  • January 1, 1959

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 3, 2016, 2:59 p.m.

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Ballinger, E.R. & Harris, P.S. FIELD STUDY OF THE AgPO$sub 3$ GLASS PERSONNEL DOSIMETER (U.S. NAVY DT-60), report, January 1, 1959; New Mexico. (digital.library.unt.edu/ark:/67531/metadc877493/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.