Abstract
The purpose of this study is to determine the effects of radon concentration (alpha particles) on cancer patients in the Kurdistan Iraq region; therefore, this study was carried out to detect and measure the concentration of radon in powdered blood samples from the humans who have cancer in Kurdistan Iraqi region (Sulaymaniya and Erbil) using CR-39 NTD (passive method). The results showed the activity concentrations of radon in the blood of cancer patients ranged from the highest value of 146.328 Bq m−3 in CP26-Colon cancer in Mawat to the lowest value of 7.376 Bq m−3 in CP32-Lung cancer in Zargatay taza with an average value of 34.312 Bq m−3 in Sulamaniya governorate (Hewa center for cancer) and concentrations of radon ranged from highest value of 56.996 Bq m−3 to lowest value 11. 610 Bq m−3 with an average value of activity concentrations of radon 29.183 Bq m−3 in Erbil governorate (Nana kaly center for cancer). The results showed that the radon concentration in powdered blood samples was lower than the global permissibility limiting of exposure to radon 200 Bq m−3, and the average annual effective dose in the studied blood samples was in the range of about 0.635 mSvy−1, which was below the range of 3–10 mSvy−1 reported by the ICRP (1993). The variation in concentrations of radon in different locations may be arisen due to the difference in the nature of blood samples and nuclei content in these samples, also depending on the allergic reaction of the body to radiation. This work owes its importance to the fact that it aims at knowing and measuring the concentrations of radon in the blood samples and its impact on cancer in particular. Knowledge of these concentrations is extremely important since it reveals whether the human has received the radiation in high value or not. The issues in this research are very important in strengthening the link between radon, radon progeny, uranium, and blood of patients with cancer in the Kurdistan Iraqi region.
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