en Radiation Biology Radiation Biology گزارش کوتاه Short Report <div style="text-align: justify;"><span style="font-size:10pt"><span style="text-justify:newspaper"><span style="text-kashida-space:50%"><span style="line-height:119%"><span style="font-family:Calibri"><span style="color:black"><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#1f497d"><span style="font-style:italic"><span style="font-weight:bold"><span style="language:en-US">Background</span></span></span></span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#1f497d"><span style="font-weight:bold"><span style="language:en-US">:</span></span></span></span></span> <span lang="en-GB" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-GB">Radon gas is one of the sources of radiation in nature. It is a radioactive gas whose danger lies in the fact that it can enter the human body through breathing, causing possible lung cancer. </span></span></span></span><span lang="en-GB" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#1f497d"><span style="font-style:italic"><span style="font-weight:bold"><span style="language:en-GB">Materials and Methods: </span></span></span></span></span></span><span lang="en-GB" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-GB">Radon gas was measured by using the Columbia resin-39 (CR-39) alpha track detectors in 42 locations of different nature industrial, residential, and agricultural and investigated the exhalation rates from surface soil. </span></span></span></span><span lang="en-GB" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#1f497d"><span style="font-style:italic"><span style="font-weight:bold"><span style="language:en-GB">Results: </span></span></span></span></span></span><span lang="en-GB" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-GB">The results demonstrated that the radon gas concentrations varied from (173.31 to 507.80 Bq &frasl;m&sup3;) and the average value of the radon exhalation rate in soil was 0.026 Bq &frasl;m&sup2;.h. </span></span></span></span><span lang="en-GB" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#1f497d"><span style="font-style:italic"><span style="font-weight:bold"><span style="language:en-GB">Conclusion: </span></span></span></span></span></span><span lang="en-GB" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-GB">The results can be used as baseline data to evaluate any changes in the radioactive background level due to human activities.</span></span></span></span></span></span></span></span></span></span></div> Radon gas, exhalation rate, CR-39, alpha, Al-Muthanna governorate. 213 217 http://ijrr.com/browse.php?a_code=A-10-1-1159&slc_lang=en&sid=1 A.R. Al-Jubouri 7900319475328460026100 7900319475328460026100 No Department of Physic, College of Education, University of Al-Qadisiyah, Iraq A.A. Al-Hamzawi anees.hassan@qu.edu.iq 7900319475328460026101 7900319475328460026101 Yes Department of Physic, College of Education, University of Al-Qadisiyah, Iraq