A study of background radioactivity level for Canakkale, Turkey

Erol Kam, Ahmet Bozkurt*, Rustu Ilgar

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

32 Atıf (Scopus)

Özet

This study assesses the level of background radiation for Canakkale province of northwestern Turkey. Radon concentrations in indoor air were determined using CR-39 nuclear track detectors and 222Rn activity was found to be 167 Bq m-3 (equivalent to an annual effective dose of 4.2 mSv). Measurements of outdoor gamma radiation (of terrestrial and cosmic origin) in air were performed using plastic scintillators, and the average absorbed gamma dose rate was found to be 66.4 nGy h-1 (corresponding to an annual effective dose of 81.4 μSv). The radionuclide activity concentrations in soil samples collected from the study area were measured through gamma-ray spectrometry, and the average activities were determined as 94.55, 110.4, and 1,273 Bq kg-1 for the natural radionuclides 238U, 232Th, and 40K, respectively, and 19.39 Bq kg-1 for the fission product 137Cs. The natural radioactivity sources resulted in an annual effective dose of 184 μSv. The radioactivity levels of drinking water samples were measured as 0.0599 Bq l -1 for gross-alpha activity and 0.0841 Bq l-1 for gross-beta activity using a low-background counting technique (equivalent to an annual effective dose of 12.25 μSv). The results of this study show that the activity levels of radon in air, radionuclides in soil, and alpha activities in drinking water are higher compared to the data available for other Turkish cities and the world averages. On the other hand, the outdoor gamma dose rates in air and beta activities in drinking water are within natural limits.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)685-690
Sayfa sayısı6
DergiEnvironmental Monitoring and Assessment
Hacim168
Basın numarası1-4
DOI'lar
Yayın durumuYayınlandı - Eyl 2010
Harici olarak yayınlandıEvet

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