Abstract
In this paper, twenty four measurements for radiation absorbed dose rate (D) of selected schools in Wasit Governorate – Iraq have been investigated using Canberra dosimeter. The annual radiation effective dose rate (Eff.D) has been calculated for all investigated schools. The results showed a significant fluctuation for all measurements of indoor and outdoor absorbed dose rates (DIn and DOut) and the overall average values were 0.14 μSv/h and 0.134 μSv/h for DIn and DOut, receptively. Furthermore, the maximum value of Eff.D was 1.275 mSv/y and the minimum value was 0.294 mSv/y while the overall average value was 0.819 mSv/y.
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