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Paper Information

Journal:   TOLOO-E-BEHDASHT   APRIL-MAY 2016 , Volume 15 , Number 1 (55) ; Page(s) 51 To 64.
 
Paper: 

CONCENTRATION ASSESSMENT OF CHROMIUM AND ARSENIC HEAVY METALS IN RIVERS BASINS OF BAFT AND RABOR DAMS

 
 
Author(s):  MALAKOOTIAN M.*, MESDAGHINIA A., SOLTANINEJAD Y.
 
* ENVIRONMENTAL HEALTH ENGINEERING RESEARCH CENTER, DEPARTMENT OF ENVIRONMENTAL HEALTH, KERMAN UNIVERSITY OF MEDICAL SCIENCES, KERMAN, IRAN
 
Abstract: 

Introduction: Heavy metals are regarded as toxic stable elements in the environment that with the entry into water sources, finally it enters into the biological cycle of life and develops some adverse effects. Therefore, the present study aimed to determine the concentration of chromium and arsenic heavy metals in the river basins of Baft and Ravar dams.
Methods: This descriptive cross-sectional study was conducted from August 2013 to June 2014. During the field surveys of the river basins, 4 sampling stations of river basins of Baft and Rabor dams were selected. One combined sample was taken on 15th of each month from the mentioned river basins as well as Baft and Rabor dams. The chromium and arsenic concentrations were measured for 12 months in river basins of Baft and Rabar dams by Furnace Atomic Absorption device, and the study data were analyzed applying SPSS software.
Results: The mean concentration of chromium was reported 5.01 and 5.19 in the river basins of Baft dam and 5.44, 5.5, 5.42 and 5.45 ppb in river basins of Rabor dam. The mean concentration of arsenic in the river basins was demonstrated to be 16.52 and 11.71 ppb in Baft dam, and 12.28, 13.6, 7.13 and 8.78 ppb in Rabor dam. In addition, the mean concentration of chromium was reported 5.02 and 5.38, and arsenic concentration was obtained 23.53 and 9.12 ppb, respectively in Baft and Rabar dams.
Conclusion: Based on the study results, the chromium concentration in the studied stations was demonstrated to be significantly less than guidelines of WHO, EPA and Institute of Standards and Industrial Research of Iran, whereas arsenic concentration was demonstrated to be significantly higher compared to these guidelines (p<0.0001). As a result, this difference needs to be diminished via implementing the required plans.

 
Keyword(s): DAM, HEAVY METALS, RIVER
 
References: 
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