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Radon measurements—discussion of error estimates for selected methods

Elsevier Ltd
Publication Date
DOI: 10.1016/j.apradiso.2009.09.049
  • 222Rn
  • Uncertainties
  • Charcoal Canisters
  • Track Detectors
  • Retrospective Measurements


Abstract The main sources of uncertainties for grab sampling, short-term (charcoal canisters) and long term (track detectors) measurements are: systematic bias of reference equipment; random Poisson and non-Poisson errors during calibration; random Poisson and non-Poisson errors during measurements. The origins of non-Poisson random errors during calibration are different for different kinds of instrumental measurements. The main sources of uncertainties for retrospective measurements conducted by surface traps techniques can be divided in two groups: errors of surface 210Pb ( 210Po) activity measurements and uncertainties of transfer from 210Pb surface activity in glass objects to average radon concentration during this object exposure. It's shown that total measurement error of surface trap retrospective technique can be decreased to 35%.

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