alexa Assessment of the Heavy Metals and Natural Radioactivity in Phosphate Mines and Occupational Health Effects at Some Egyptian Regions
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
Open Access

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Research Article

Assessment of the Heavy Metals and Natural Radioactivity in Phosphate Mines and Occupational Health Effects at Some Egyptian Regions

RKM Zakaria*, Atta ER and Ibrahim MS

National Center for Nuclear Safety and Radiation Control, Atomic Energy Authority, Cairo, Egypt

*Corresponding Author:
Khaled M Zakaria
National Center for Nuclear Safety and Radiation Control
Atomic Energy Authority
Cairo, Egypt
Nasr City 11762, PO Box 7551
E-mail: [email protected]

Received date: August 05, 2016; Accepted date: August 16, 2016; Published date:August 19, 2016

Citation: Zakaria KM, Atta ER, Ibrahim MS (2016) Assessment of the Heavy Metals and Natural Radioactivity in Phosphate Mines and Occupational Health Effects at Some Egyptian Regions. J Environ Anal Toxicol 6: 395. doi: 10.4172/2161- 0525.1000395

Copyright: © 2016 Zakaria KM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



In this work the specific activities of natural radionuclides namely (238U series, 232Th series and 40K) has been measured in collected sedimentary phosphate deposits samples from El-Hamraween, El-Quser and Safaga phosphate mines in Egypt. HPGe γ-spectrometry was used. This study was undertaken to estimate the radiation hazard indices in phosphate mining at the studied mines on their occupational workers, and to establish correlation relationships between the some measured heavy metals such as As, Cd and Pb in blood workers and their concentration in phosphate rock ores. As well as determination the biomarkers in the blood workers such as malondialdehyde (MDA) and superoxide dismutase (SOD). The phosphate mine sample of El-Hamrawein has the lowest activity concentration of 226Ra, 232Th and 40K in compared to the phosphate mine samples of El-Quseir and Safaga (El-Hamrawein<El-Quseir<Safaga). The activity concentrations of all analyzed investigated radionuclides considerably fluctuated; for 226Ra activity concentrations varied from 222.4 to 255.8 Bq kg-1, 122.4 to 188.3 Bq kg-1 and 115.4 to 165.8 Bq kg-1 for Safaga, El-Quseir and El- Hamrawein, respectively. For 232Th activity concentrations varied from 135.6 to 212.3 Bq kg-1, 112.8 to 167.4 Bq kg-1 and 132.8 to 188.6 Bq kg-1 for Safaga, El-Quseir and El-Hamrawein, respectively. For 40K activity concentrations varied from 225.2 to 312.8 Bq kg-1, 168.7 to 268.9 Bq kg-1 and 95.2 to 155.8 Bq kg-1 for Safaga, El-Quseir and El-Hamrawein respectively. The workers of old ages have higher concentration of the investigated heavy metals than young ages. There is a good relation between the concentration of the investigated metals in phosphate mine samples and their concentration in blood of the occupational workers in these mines.


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