Indoor radon measurements in dwellings of four Saudi Arabian cities

Al-Jarallah, M.I.; Fazal-ur-Rehman, .; Abu-Jarad, F.; Al-Shukri, A.M.

doi:10.1016/s1350-4487(03)00168-9

Cited by 28 publications

(14 citation statements)

References 8 publications

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“…1. This distribution of EEC Rn looks log-normal in nature and has also been observed by many other authors for measurements of radon and as well as its progeny concentrations (Marenny et al, 1996;Dueñas et al, 1996;Al-Jarallah et al, 2003;Abumurad and Al-Tamimi, 2005;Diyun et al, 2005). This log-normal distribution indicates the dynamic behaviour of radon and its progeny concentrations, with either time or space.…”

Section: Resultssupporting

confidence: 78%

Variation of indoor radon progeny concentration and its role in dose assessment

Singh

et al. 2008

Journal of Environmental Radioactivity

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Section: Resultssupporting

confidence: 78%

Variation of indoor radon progeny concentration and its role in dose assessment

Singh

et al. 2008

Journal of Environmental Radioactivity

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“…The insufficient amount of data does not allow a full analysis of data distribution, but it seems to have a log-normal character, as is often observed (e.g. Popit and Vaupoti c, 2002;Iyogi et al, 2002;Al-Jarallah et al, 2003;Kim et al, 2003;Baeza et al, 2003;Sundal and Strand, 2004;Abumurad and Al-Tamimi, 2005;Montero Cabrera et al, 2005;Diyun et al, 2005). This observation is supported by the closeness of the geometric mean value to the median value in almost all the tectonic units.…”

Section: Methods Of Measurementmentioning

confidence: 81%

Mean annual 222Rn concentration in homes located in different geological regions of Poland – first approach to whole country area

Przylibski¹,

Żebrowski²,

Karpińska³

et al. 2011

Journal of Environmental Radioactivity

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“…This is expected because most of these detectors were placed in office rooms and lab rooms, in computer labs and handicraft labs in girls' elementary schools, which had poor ventilation, because of absence of succession fans. A nationwide representative radon survey has not been carried out in Saudi Arabia but small-scale local or extended radon surveys in Saudi dwellings have been reported [21][22][23][24][25][26][27].…”

Section: Experimental Details and Resultsmentioning

confidence: 99%

Investigating Indoor Radon Levels and Influencing Factors in Primary Schools of Zulfi City, Saudi Arabia

Al-Ghamdi¹,

AlGarawi²,

Al-Mosa³

et al. 2011

AIP Conference Proceedings

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Measurement of indoor Concentrations were performed in Zulfi city of Saudi Arabia, using CR-39 track etch detectors .This investigation focused on the influence of different parameters, namely different locations, school categories, school building types, and room type as well as on the existence of differences in radon concentration at floor levels. We divided the Zulfi city into five regions, keeping in mind their geographical locations between Tuwaiq Mountains and Al-Thuwayrat sands. The measured average radon concentrations for regions 1-5 respectively are: 87.0 ± 14.2 Bq/m 3 , 83.4 ± 6.0 Bq/m 3 , 61.6 ± 6.4 Bq/m 3 , 63.7 ± 5.4 Bq/m 3 and 87.5 ± 6. Bq/m 3 and the minimum concentrations are 28.0 Bq/m 3 , 5.5 Bq/m 3 , 1.1 Bq/m 3 , 1.0 Bq/m 3 and 24 Bq/m 3 respectively. These results are still within normal limits and below the action level of 148 Bqm -3 set by the U.S. Environmental Protection Agency (EPA). A test of significance using Minitab program was applied to investigate if radon levels in regions are significantly different from each other. We tried all combinations, and found the following results. The "within regions" (different location) test yielded, region 2 is not significant versus region" 1" (p=0.783) and versus region "5" (P=0.646) , whereas it is significant versus region "3" ( P=0.0160) and also versus region "4" (p=0.018). We investigated government and rented school's building also and none was found significantly different (p=0.052). Floors of the same building were tested in order to examine the radon concentration as a function of storey level. No significant difference was observed at floor levels (p=0.009). When girl's schools versus Boys and kindergartens schools were tested they were found significantly different. It is believed that this significant difference is due to geographical nature of the area, since most of the girl's schools were selected from regions 2 and 3, these regions are relatively close to the Tuwaiq mountains whereas other regions are near to the Al-Thuwayrat sands.

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Indoor radon measurements in dwellings of four Saudi Arabian cities

Cited by 28 publications

References 8 publications

Variation of indoor radon progeny concentration and its role in dose assessment

Variation of indoor radon progeny concentration and its role in dose assessment

Mean annual 222Rn concentration in homes located in different geological regions of Poland – first approach to whole country area

Investigating Indoor Radon Levels and Influencing Factors in Primary Schools of Zulfi City, Saudi Arabia

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