en Radiation Biology Radiation Biology تحقيق بديع Original Research <div style="text-align: justify;"><span style="font-size:10pt"><span style="text-justify:inter-word"><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-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:en-US">Rivers are having a major role in crop cultivation, power generation, and sand used for mining and construction. </span></span></span><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">Materials and Methods</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>&nbsp;<span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:en-US">The gamma ray spectrometer was used to estimate uranium, thorium, and potassium (238U, 232Th, 40K), and its average is tabulated. Related parameters like absorbed dose (D), Annual Effective Dose Equivalent (AE), and also hazard indices (H) to assess radiation exposure. Additional parameters like radium equivalent (R</span></span></span><span lang="en-US" style="font-size:5.9939pt"><span style="font-family:Calibri"><span style="language:en-US">_eq</span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:en-US">), radioactive heat production (RHP), Excess Lifetime Cancer Risk (ELCR), Alpha</span></span></span> <span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#0e101a"><span style="language:en-US">(I</span></span></span></span><span lang="el" style="font-size:5.9939pt"><span style="font-family:Calibri"><span style="color:#0e101a"><span style="language:el">_&alpha;</span></span></span></span><span lang="el" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#0e101a"><span style="language:el">)</span></span></span></span><span lang="el" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:el">, </span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:en-US">and Gamma Index </span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#0e101a"><span style="language:en-US">(I</span></span></span></span><span lang="en-US" style="font-size:5.9939pt"><span style="font-family:Calibri"><span style="color:#0e101a"><span style="language:en-US">_g</span></span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:#0e101a"><span style="language:en-US">)</span></span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:en-US">, Annual Gonadal dose (AGD) are computed and correlated with the related parameters to understand radioactive penetration to the living things.&nbsp;</span></span></span><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">Results</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>&nbsp;<span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:en-US">This study exhibits the radioactive contaminants in Cauvery are in control by comparing to the world average except for C20. The average radiological risk of the Palar river is slightly higher and site no.6 shows three times the world average.&nbsp;</span></span></span><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">Conclusion</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>&nbsp;<span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="language:en-US">This radioactive pollution can cause serious health effects for the people living in and around those two sites (C20 and P7) who are highly exposed to radiation, which leads to harmful effects on living things.</span></span></span></span></span></span></span></span></div> Environmental radioactivity, natural radionuclides, radiological dose parameters, radiological hazardous parameters. 117 124 http://ijrr.com/browse.php?a_code=A-10-1-1014&slc_lang=en&sid=1 S. Murugesan binunair.phd@gmail.com 7900319475328460023128 7900319475328460023128 Yes Department of Physics, Sathyabama Institute of Science and Technology, Chennai – 600119, Tamilnadu, India S. Ravichandran 7900319475328460023129 7900319475328460023129 No Department of Physics, Sathyabama Institute of Science and Technology, Chennai – 600119, Tamilnadu, India