Simple Screening Method for Radioactive Concentration Using a Portable Dose Rate Meter

Erika MATSUMOTO; Shintaro NAKAYAMA; Minoru SAKAMA; Yoshinori KUWAHARA; Koji TOMINAGA; Takuya SAZE

doi:10.12950/rsm.12.56

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Simple Screening Method for Radioactive Concentration Using a Portable Dose Rate Meter

Erika MATSUMOTO, Shintaro NAKAYAMA, Minoru SAKAMA, Yoshinori KUWAHARA, Koji TOMINAGA, Takuya SAZE

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Keywords: ¹³⁷Cs, portable dose rate meter, estimate concentration, radioactivity

JOURNAL FREE ACCESS

2013 Volume 12 Issue 2 Pages 56-60

DOI https://doi.org/10.12950/rsm.12.56

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Abstract

A new method was developed to estimate radioactive concentration [Bq/kg] using a portable dose rate meter [μSv/h] and a sample container surrounding the meter. It has been found that simple measurements can be performed for estimation of radioactive concentration. Lower limit of the detection (LOD) for the method was deduced to be 600 Bq under an environment of 0.057±0.005 μSv/h (3σ).

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