Intercomparison of active, passive and continuous instruments for radon and radon progeny measurements in the EML chamber and test facility

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The results from the May 1995 Intercomparison of Active, Passive and Continuous Instruments for Radon and Radon Progeny Measurement conducted in the EML radon exposure and test facility are presented. Represented were 13 participants that measure radon with open faced and diffusion barrier activated carbon collectors, 10 with nuclear alpha track detectors, 9 with short-term and long-term electret/ionization chambers, and 13 with active and passive commercial electronic continuous monitors. For radon progeny, there were four participants that came in person to take part in the grab sampling methodology for measuring individual radon progeny and the potential alpha energy concentration (PAEC). ... continued below

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17 p.

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George, A.C.; Knutson, E.O.; Tu, K.W. & Fisenne, I.M. December 1, 1995.

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Description

The results from the May 1995 Intercomparison of Active, Passive and Continuous Instruments for Radon and Radon Progeny Measurement conducted in the EML radon exposure and test facility are presented. Represented were 13 participants that measure radon with open faced and diffusion barrier activated carbon collectors, 10 with nuclear alpha track detectors, 9 with short-term and long-term electret/ionization chambers, and 13 with active and passive commercial electronic continuous monitors. For radon progeny, there were four participants that came in person to take part in the grab sampling methodology for measuring individual radon progeny and the potential alpha energy concentration (PAEC). There were 11 participants with continuous and integrating commercial electronic instruments that are used for measuring the PAEC. The results indicate that all the tested instruments that measure radon fulfill their intended purpose. All instruments and methods used for grab sampling for radon progeny did very well. However, most of the continuous and integrating electronic instruments used for measuring the PAEC or working level appear to underestimate the potential risk from radon progeny when the concentration of particles onto which the radon progeny are attached is <5,000 cm{sup -3}.

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17 p.

Notes

INIS; OSTI as DE96005336

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  • Other Information: PBD: Dec 1995

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  • Other: DE96005336
  • Report No.: EML--577
  • DOI: 10.2172/188891 | External Link
  • Office of Scientific & Technical Information Report Number: 188891
  • Archival Resource Key: ark:/67531/metadc668129

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Office of Scientific & Technical Information Technical Reports

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  • December 1, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 20, 2015, 9:52 p.m.

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George, A.C.; Knutson, E.O.; Tu, K.W. & Fisenne, I.M. Intercomparison of active, passive and continuous instruments for radon and radon progeny measurements in the EML chamber and test facility, report, December 1, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc668129/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.