Paper Information

Journal:   IRANIAN JOURNAL OF MEDICAL PHYSICS   MARCH 2016 , Volume 13 , Number 1; Page(s) 49 To 57.
 
Paper: 

MEASUREMENT OF RADIONUCLIDE CONCENTRATION IN SOME WATER RESOURCES IN MARKAZI PROVINCE, IRAN

 
Author(s):  POURIMANI REZA*, NEMATI ZAHRA
 
* DEPARTMENT OF PHYSICS, FACULTY OF SCIENCE, ARAK UNIVERSITY, IRAN
 
Abstract: 

Introduction: Natural and artificial radionuclides are the main sources of human radiation exposure. These radionuclides, which are present in the environment, can be dissolved into water. Evidence suggests that radionuclides being entered the human body through drinking or hot spring water can be harmful for human health.
Materials and Methods: In this study, 10 samples were collected from ground water resources of Arak, one sample from the surface water of Kamal-Saleh Dam, and four samples from the hot springs of Mahallat region. The specific activities of 226Ra, 232Th, 40K, and 137Cs were determined in the samples, using gamma ray spectrometry and a high-purity germanium (HPGe) detector.
Results: Specific activities of 226Ra, 232Th, 40K, and 137Cs were determined in the water samples. The mean 226Ra activity concentrations in drinking water samples from Aman Abad, Mobarak Abad, and Taramazd wells were 7.65±1.64, 1.56±1.04, and 1.45±1.39 Bq/l, while the corresponding values for 232Th were 2.70±0.18, 0.41±0.16, and 1.27±0.44 Bq/l, respectively. The annual effective dose due to drinking water varied from 0.01 to 0.78 mSv/y. Moreover, the specific activity of 226Ra in the water samples from the orifice of Donbe, Shafa, Soleymani, and Souda hot springs varied from 0.47±0.16 to 1.90±0.21.
Conclusion:The calculated annual effective dose due to water consumption by Iranians was within the average annual global range. Therefore, based on the present results, radionuclide intake due to water consumption had no consequences for public health; however, it is recommended that hot spring baths use air conditioning devices.

 
Keyword(s): EFFECTIVE DOSE, HOT SPRING, RADIONUCLIDE, WATER RESOURCE
 
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