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- Title
Carcinogenic and Non-carcinogenic Risk Assessment of Heavy Metals in Groundwater Wells in Neyshabur Plain, Iran.
- Authors
Saleh, Hossein Najafi; Panahande, Maryam; Yousefi, Mahmood; Asghari, Farzaneh Baghal; Oliveri Conti, Gea; Talaee, Elham; Mohammadi, Ali Akbar
- Abstract
The present work reports the As, Cr, Cu, Pb, Zn, and Fe concentrations of drinking water samples in Neyshabur Plain, Iran. This study aimed also to ascertain the potential consumers' health risk of heavy metal intake. Heavy metal concentrations were analyzed by inductively coupled plasma optical emission spectrometry. The highest and lowest average values in the analyzed water samples were observed for Fe (9.78 ± 5.61 μg/L) and As (1.30 ± 2.99 μg/L), respectively. These values were well below the limits recommended by the World Health Organization and the Iranian national standard. Heavy metal pollution index and heavy metal evaluation index were used to evaluate drinking water quality. The risk index was calculated by chronic daily intake and hazard quotient according to the United States Environmental Protection Agency approach. Heavy metal pollution index in all the samples was less than 100, indicating that it is a low-level heavy metal. The total risk of all heavy metals in the urban environment varied from 40.164 × 10−7 to 174.8 × 10−7. In this research, the maximum average of risk belonged to lead and copper with the respective values of 60.10 × 10−7and 33.99 × 10−7 from the selected wells. However, considering the toxic effect of some elements, including Pb and As, in the chronic exposure of consumers, we suggest a continuous evaluation and monitoring of drinking water resources.
- Subjects
IRAN; HEAVY metals; HEAVY metal toxicology; RISK assessment; INDUCTIVELY coupled plasma atomic emission spectrometry; HEAVY metals &; the environment; ECOLOGICAL risk assessment; DRINKING water quality
- Publication
Biological Trace Element Research, 2019, Vol 190, Issue 1, p251
- ISSN
0163-4984
- Publication type
Article
- DOI
10.1007/s12011-018-1516-6