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Four passive sampling elements (quatrefoil)--I. Monitoring radon and its progeny by surface-contamination monitors.

Authors
  • Tommasino, L
  • Tokonami, S
Type
Published Article
Journal
Radiation Protection Dosimetry
Publisher
Oxford University Press
Publication Date
May 01, 2011
Volume
145
Issue
2-3
Pages
280–283
Identifiers
DOI: 10.1093/rpd/ncr049
PMID: 21486828
Source
Medline
License
Unknown

Abstract

Four passive sampling elements (quatrefoil) have been recently developed, which transform airborne radionuclides into surface-bound radionuclides. These samplers, once exposed, result in thin radiation sources that can be detected by any real-time or passive detector. In particular, by using a large collecting-area sampler with a low surface density (g cm(-2)), it is possible to measure radon and its decay products by beta surface-contamination monitors, which are rarely used for these applications. The results obtained to date prove that it is finally possible to carry out the measurements of radon (and its decay products) indoors, in soil and in water simply by a Pancake Geiger-Muller counter. Emphasis will be given to those measurements, which are difficult, if not impossible, to carry out with existing technologies.

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