alexa Arsenic in groundwater and its health risk assessment in drinking water of Mailsi, Punjab, Pakistan
Chemistry

Chemistry

Journal of Environmental Analytical Chemistry

Author(s): Atta Rasool, Sajid Masood, Khadim Hussain

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The present study was aimed at assessing drinking water quality regarding arsenic (As) and its impact on health from Mailsi (Punjab), Pakistan. Forty-four groundwater samples were collected from two sites, Sargana and Mailsi. Arsenic and other cations were determined by atomic absorption spectrophotometer, whereas the anions were determined either through titration or spectrophotometer. The results revealed that dominant anions were HCO3− and Cl−, Ca+2 was the dominant cation, and overall water chemistry of the area was CaMgHCO3− type. Arsenic concentrations were high, ranging from 11 to 828 µg/L that crossed the World Health Organization permissible limits. Likewise, higher SO4−2 concentrations ranging from 247 to 1053 mg/L were observed. The health risk index was higher in the Sargana site, which employed the differences in terms of higher Average Daily Dose, Hazard Quotient, and Carcinogenic Risk of arsenic, which is unsuitable for drinking purposes. The area seems to be at high risk due to arsenic pollution and wells have never been tested for arsenic concentrations earlier; therefore, necessary measures should be taken to test the wells with respect to arsenic.

This article was published in Human and Ecological Risk Assessment: An International Journal and referenced in Journal of Environmental Analytical Chemistry

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