New portable hand-held radiation instruments for measurements and monitoring

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Hand-held radiation monitors are often used to search pedestrians and motor vehicles for special nuclear material (SNM) as part of a physical protection plan for nuclear materials. Recently, the Los Alamos Advanced Nuclear Technology group has commercialized an improved hand-held monitor that can be used for both physical-protection monitoring and verification measurements in nuclear material control and waste management. The new monitoring instruments are smaller and lighter; operate much longer on a battery charge; are available with NaI(Tl) or neutron and gamma-ray sensitive plastic scintillation detectors; and are less expensive than other comparable instruments. They also have a second operating ... continued below

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Pages: 7

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Fehlau, P.E. January 1, 1987.

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Hand-held radiation monitors are often used to search pedestrians and motor vehicles for special nuclear material (SNM) as part of a physical protection plan for nuclear materials. Recently, the Los Alamos Advanced Nuclear Technology group has commercialized an improved hand-held monitor that can be used for both physical-protection monitoring and verification measurements in nuclear material control and waste management. The new monitoring instruments are smaller and lighter; operate much longer on a battery charge; are available with NaI(Tl) or neutron and gamma-ray sensitive plastic scintillation detectors; and are less expensive than other comparable instruments. They also have a second operating mode for making precise measurements over counting times as long as 99 s. This mode permits making basic verification measurements that may be needed before transporting nuclear material or waste outside protected areas. Improved verification measurements can be made with a second new hand-held instrument that has a stabilized detector and three separate gamma-ray energy windows to obtain spectral information for SNM quantity, enrichment, or material-type verification.

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Pages: 7

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NTIS, PC A02; 3.

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  • 28. INMM annual meeting on safeguards: a mature technology, Newport Beach, CA, USA, 12 Jul 1987

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  • Other: DE87011752
  • Report No.: LA-UR-87-2116
  • Report No.: CONF-870713-17
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6430573
  • Archival Resource Key: ark:/67531/metadc1212575

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1987

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  • July 5, 2018, 11:11 p.m.

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  • Sept. 5, 2018, 3:04 p.m.

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Fehlau, P.E. New portable hand-held radiation instruments for measurements and monitoring, article, January 1, 1987; United States. (digital.library.unt.edu/ark:/67531/metadc1212575/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.