Assessment of natural radioactivity levels and radiation hazards in soil samples from selected districts of Garmian zone, Sulaymaniyah city, Kurdistan region, Iraq (Oil & Gas Block).
Kardo Omed Mamand, Jamal Mohammed Rashid Abda, Kamal Omer Abdullah
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引用次数: 0
Abstract
This research investigates the natural radioactivity level associated with radiation hazards in soil samples, which are collected from different districts in Garmian zone, Sulaymaniyah City, Kurdistan region, Iraq. Also, the Garmian zone contains many important points including tourist positions, many human living districts, and an oil and gas block. The determination of the natural radioactivity level is important to environmental monitoring and assessment of public health. The collection of soil samples includes (41) samples in (27) districts, in which is HPGe detector was used to determine the naturally occurring radionuclides concentration such as 226Ra, 232Th, and 40K. The results define that the activity concentrations vary per each different district, with a maximum of (196.6 Bq/kg) in Tovga Village and a minimum of (80.5 Bq/kg) in the Mahmoudia Village for radium equivalent activity, and the hazard indices include the way above the normal range in Tovga village and Bani Khelan town in both indoor and outdoor hazard indices, also excess lifetime cancer risks in outdoor and indoor are high with maximum (390 cases per million people per lifetime) in outdoor and maximum (3030 cases per million people per lifetime) in indoor. This study furnishes valuable baseline information about environmental management and understanding better of natural radioactivity in that geologically and industrially important zone of Iraq.
期刊介绍：
Environmental Geochemistry and Health publishes original research papers and review papers across the broad field of environmental geochemistry. Environmental geochemistry and health establishes and explains links between the natural or disturbed chemical composition of the earth’s surface and the health of plants, animals and people.
Beneficial elements regulate or promote enzymatic and hormonal activity whereas other elements may be toxic. Bedrock geochemistry controls the composition of soil and hence that of water and vegetation. Environmental issues, such as pollution, arising from the extraction and use of mineral resources, are discussed. The effects of contaminants introduced into the earth’s geochemical systems are examined. Geochemical surveys of soil, water and plants show how major and trace elements are distributed geographically. Associated epidemiological studies reveal the possibility of causal links between the natural or disturbed geochemical environment and disease. Experimental research illuminates the nature or consequences of natural or disturbed geochemical processes.
The journal particularly welcomes novel research linking environmental geochemistry and health issues on such topics as: heavy metals (including mercury), persistent organic pollutants (POPs), and mixed chemicals emitted through human activities, such as uncontrolled recycling of electronic-waste; waste recycling; surface-atmospheric interaction processes (natural and anthropogenic emissions, vertical transport, deposition, and physical-chemical interaction) of gases and aerosols; phytoremediation/restoration of contaminated sites; food contamination and safety; environmental effects of medicines; effects and toxicity of mixed pollutants; speciation of heavy metals/metalloids; effects of mining; disturbed geochemistry from human behavior, natural or man-made hazards; particle and nanoparticle toxicology; risk and the vulnerability of populations, etc.
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