Volume 15, Issue 1 (4-2022)
ijhe 2022, 15(1): 181-192 |
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Dadban Shahamat Y, Mohammadi H, Sangbari N, Roshandel G, Ghahrchi M. Investigation of Pb and Cd concentrations in drinking water samples of Gorgan water supply network: preparation of zoning maps by geographic information system. ijhe 2022; 15 (1) :181-192
URL: http://ijhe.tums.ac.ir/article-1-6629-en.html
URL: http://ijhe.tums.ac.ir/article-1-6629-en.html
Yousef Dadban Shahamat1 
, Hamed Mohammadi2 , Nasrin Sangbari3 , Gholamreza Roshandel4 , Mina Ghahrchi * 5
, Hamed Mohammadi2 , Nasrin Sangbari3 , Gholamreza Roshandel4 , Mina Ghahrchi * 5
1- Department of Environmental Health Engineering, Faculty of Health, Golestan University of Medical Sciences, Gorgan, Iran َAND Environmental Health Research Center, Golestan University of Medical Sciences, Golestan, Iran
2- Department of Environmental Health Engineering, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran
3- Cancer Research Center, Golestan University of Medical Science, Gorgan, Iran
4- Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
5- Department of Environmental Health Engineering, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran ,m.ghahrechi69@gmail.com
2- Department of Environmental Health Engineering, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran
3- Cancer Research Center, Golestan University of Medical Science, Gorgan, Iran
4- Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
5- Department of Environmental Health Engineering, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran ,
Abstract: (1219 Views)
Background and Objective: With the expansion of urbanization and the development of industry, environmental pollution, including sources of drinking water to heavy metals, has become a global problem. Therefore, the present study was conducted to measure the concentration of lead and cadmium in the water of Gorgan distribution network.
Materials and Methods: This is a descriptive cross-sectional study in which the concentrations of heavy metals lead and cadmium were measured in 25 different stations of the Gorgan drinking water distribution network from April to September 2018 by atomic absorption device. Statistical analysis was used from SPSS ver 22 software. Also, zoning maps based on the concentration of these two metals were prepared by Geographic Information System (GIS) software.
Results: The results of measuring the lead and cadmium concentration showed that all measured values are less than national and international standards. In general, the average concentrations of lead and cadmium were 4.38 and 0.1 μg/L, respectively. The results of Kruskal-Wallis test showed that there was a significant difference (p <0.01) between the concentrations obtained from lead metal in different months. Additionally, the distribution map of this lead and cadmium exhibited that in the central areas and some border areas, the concentration of these two metals is higher.
Conclusion: According to the obtained results, it can be seen that the concentration of heavy metals lead and cadmium in the water of Gorgan distribution network is within the permitted standards.
Materials and Methods: This is a descriptive cross-sectional study in which the concentrations of heavy metals lead and cadmium were measured in 25 different stations of the Gorgan drinking water distribution network from April to September 2018 by atomic absorption device. Statistical analysis was used from SPSS ver 22 software. Also, zoning maps based on the concentration of these two metals were prepared by Geographic Information System (GIS) software.
Results: The results of measuring the lead and cadmium concentration showed that all measured values are less than national and international standards. In general, the average concentrations of lead and cadmium were 4.38 and 0.1 μg/L, respectively. The results of Kruskal-Wallis test showed that there was a significant difference (p <0.01) between the concentrations obtained from lead metal in different months. Additionally, the distribution map of this lead and cadmium exhibited that in the central areas and some border areas, the concentration of these two metals is higher.
Conclusion: According to the obtained results, it can be seen that the concentration of heavy metals lead and cadmium in the water of Gorgan distribution network is within the permitted standards.
Type of Study: Research |
Subject:
WATER
Received: 2022/02/4 | Accepted: 2022/05/8 | Published: 2022/06/18
Received: 2022/02/4 | Accepted: 2022/05/8 | Published: 2022/06/18
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