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Iranian Journal of Medical Physics، جلد ۱۸، شماره ۳، صفحات ۱۷۱-۱۷۷
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عنوان انگلیسی A Quantitative Assessment of Indoor Radon Level and Its Annual Effective Dose in Buildings of Gachin Rural District in Hormozgan Province, Iran
چکیده انگلیسی مقاله Introduction: Measurement of indoor radon concentration and its determining factors is crucial for improving public health and developing proper methods that can reduce indoor radon concentrations. This study aimed to measure the indoor radon concentration and to examine its variations in relation to variables, such as the construction materials, ventilation, and age of buildings. Material and Methods: Indoor radon concentrations were measured using solid-state nuclear track detectors (SSNTDs) during winter. Each detector was mounted 50-90 cm above the surface flooring of bedrooms and living rooms. After three months of exposure, the detectors were collected and transferred to a laboratory. They were then etched in 6.25 N NaOH solution in a bath at a constant temperature of 90°C for 240 minutes. Next, the detectors were washed with distilled water and dried. The alpha particle tracks were counted using an automatic alpha track counting system. Results: The mean radon concentration was 53.20 Bq/m3,and 94% of the samples had a radon concentration 3, which is the action level proposed by the World Health Organization (WHO). The annual effective dose varied from 0.25 mSvy-1 to 3.05 mSvy-1, with a mean dose of 0.91 mSvy-1. The results showed that the type of constructed materials and ventilation influence the indoor radon concentration in winter. Conclusion: The annual effective dose in the study area was below the global average of 1.15 mSvy-1. Therefore, local residents must be informed about the health risks of high radon concentrations and understand the role of improved ventilation in reducing the indoor radon levels.
کلیدواژه‌های انگلیسی مقاله Construction materials, Dosimetry, ventilation, Radon, Gachin
نویسندگان مقاله | ali jamjour
1. Radiology Department, Paramedical School, Shiraz University of Medical Sciences, Shiraz, Iran 3. Radiology Department, Paramedical School, Hormozgan University of Medical Science, Bandare-Abbas, Iran.


| Gholamhassan Haddadi
1. Radiology Department, Paramedical School, Shiraz University of Medical Sciences, Shiraz, Iran 2. Ionizing and nonionizing Radiation protection Research center, Shiraz University of Medical Sciences, Shiraz, Iran


| Masoud Haghani
1. Radiology Department, Paramedical School, Shiraz University of Medical Sciences, Shiraz, Iran 2. Ionizing and nonionizing Radiation protection Research center, Shiraz University of Medical Sciences, Shiraz, Iran


| mohammaad haghparast
3. Radiology Department, Paramedical School, Hormozgan University of Medical Science, Bandare-Abbas, Iran. 4. Medical Physics Department, School of Medicine, Iran University of Medical Science, Tehran, Iran.


| Mahdieh Afkhami
Radiology Department, Paramedical School, Hormozgan University of Medical Science, Bandare-Abbas, Iran.
نشانی اینترنتی https://ijmp.mums.ac.ir/article_16101.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Paper
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