Determination of Indoor Radon Concentrations in Rafah Governorate, G
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In this study, we report on the radon concentration levels, in the houses of Rafah city during summer season of the year 2016 using the CR-39 track detectors. Passive diffusion Radon dosimeters containing CR-39 solid state nuclear track detectors of good quality were used to measure Radon and its daughter's concentrations throughout Rafah city. Our sampling strategy was to distribute the dosimeters in houses in Rafah city (Tal El Soltan , Balad(Rafah camp) and El Genena) at different geographic parts of the region. These dosimeters were randomly distributed in bedroom, living room and kitchen....
In this study, we report on the radon concentration levels, in the houses of Rafah city during summer season of the year 2016 using the CR-39 track detectors. Passive diffusion Radon dosimeters containing CR-39 solid state nuclear track detectors of good quality were used to measure Radon and its daughter's concentrations throughout Rafah city. Our sampling strategy was to distribute the dosimeters in houses in Rafah city (Tal El Soltan , Balad(Rafah camp) and El Genena) at different geographic parts of the region. These dosimeters were randomly distributed in bedroom, living room and kitchen. The (150) detectors were left for about three months during the period from June to August of 2016. The collected detectors were chemically etched by using NaOH of (6M) concentration at temperature 700C for a period of about 5 hours. Each detector was counted visually using an optical microscope with power of (40 10). Tracks in the three distinct regions of Rafah city were observed, throughthe area (1cm2), then average number of tracks/mm2 was detected at all the regions was 73.8 Bq/m3 (1.99 pCi/l) with a range of values between 16.5 and 150.4 Bq/m3 (0.44 and 4.06 pCi/l).
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