Indoor 222Rn measurements using an activated charcoal detector

Murase, Yuko; Homma, Yoshio; Murakami, Isao; Handa, Keiko; Horiuchi, Kimiko

doi:10.1016/s0969-8043(97)10151-8

Cited by 9 publications

(3 citation statements)

References 5 publications

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“…Correction was done by considering the count background level of unexposed detectors. The region of interest was chosen to be 156e170 keV to subtract the count build-up observed in the low energy region due to air luminescence counts and low energy b emissions (Murase et al, 1999).…”

Section: Liquid Scintillation Methodsmentioning

confidence: 99%

Temperature calibration formula for activated charcoal radon collectors

Cooper¹,

Le²,

Iimoto³

et al. 2011

Journal of Environmental Radioactivity

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Section: Liquid Scintillation Methodsmentioning

confidence: 99%

Temperature calibration formula for activated charcoal radon collectors

Cooper¹,

Le²,

Iimoto³

et al. 2011

Journal of Environmental Radioactivity

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“…The cartridge contains a small porous plastic vessel in which 1.2 g of activated charcoal and 2.0 g of silica gel are packed. The plastic vessel is located at the top (Murase et al 1999). These Pico-Rad detectors are designed for the addition of liquid scintillation cocktail within the cartridge (after exposure to radon) for subsequent liquid scintillation counting.…”

Section: Methodsmentioning

confidence: 99%

Indoor Radon in Kuwait

Al-Azmi¹,

Abu-Shady²,

Sayed³

et al. 2008

Health Physics

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Indoor radon measurements were carried out in 300 dwellings in Kuwait using duplicate sets of charcoal detectors. Measurements were made at three different locations in the dwellings: living rooms, bedrooms, and basements. The results show that the radon concentration in the dwellings of Kuwait was found to vary in the range of 4.0-241.8 Bq m(-3) with a mean value of 32.8 Bq m(-3), and most values are confined within the range of 10-50 Bq m(-3) for all locations with few cases above the value of 100 Bq m(-3). Overall results show that the indoor radon concentration levels in Kuwait are relatively low, which is attributed to the use of air conditioning in summer and possible natural ventilation in winter. The radon concentration in basements was found to be relatively higher when compared to other rooms of the dwellings.

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“…Furthermore, since the collector is small weight and volume, a radon detector using activated charcoal can be conveniently transported even in large quantities. These features of radon collectors are being used in recent research on radon concentration in unique natural environments, such as radioactive spas (Koga et al, 1994), and underground areas (Pensko, 1983), in addition to surveys of general indoors (Murase et al, 1999). As mentioned above, we have several research reports on radon measurements using ACRC in special areas, where the relative humidity is approximately 100%.…”

Section: Introductionmentioning

confidence: 99%