Journal article
Hydrogeochemical and health risk evaluation of arsenic in shallow and deep aquifers along the different floodplains of Punjab, Pakistan
Journal of Hazardous Materials, Vol.402, pp.1-11
15/01/2021
PMID: 33254839
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Abstract
The current study delineated the distribution, (hydro)geochemical behavior and health risk of arsenic (As) in shallow (depth < 35 m; handpumps and electric pumps) and deep (depth > 35 m; tube wells) aquifers in five areas along the Indus River (Bhakar, Kallur Kot), Jhelum River (Jhelum) and Chenab River (Hafizabad, Gujranwala) floodplains of Punjab, Pakistan. Relatively, greater As concentration was observed in deep wells (mean: 24.3 µg L−1) compared to shallow wells (19.4 µg L−1), with groundwater As spanning 0.1–121.7 µg L−1 (n = 133) in three floodplains. Groundwater from Hafizabad (Chenab River floodplain) possessed the highest As (121.7 µg L−1), Na+ (180 mg L−1), Ca2+ (95 mg L−1), Cl− (101 mg L−1) and SO42− (1353 mg L−1) concentrations. Arsenic health risk modeling indicated the potential carcinogenic (value > 10−4) and non-carcinogenic (hazard quotient > 1.0) risks for groundwater of all areas, with the utmost risk estimated for Chenab floodplain and deep aquifers. Positive saturation index values for Fe oxide mineral phases may suggest their potential role in As mobilization/release in these aquifer environments. This study provides critically-important and baseline knowledge for a widespread groundwater As examination along these three floodplains, which is vital for launching suitable As mitigation and remediation programs to reduce the potential health risk.
Details
- Title
- Hydrogeochemical and health risk evaluation of arsenic in shallow and deep aquifers along the different floodplains of Punjab, Pakistan
- Creators
- Natasha - COMSATS University IslamabadIrshad Bibi - University of Agriculture FaisalabadMuhammad Shahid - COMSATS University IslamabadNabeel Khan Niazi - University of Agriculture FaisalabadFazila Younas - University of Agriculture FaisalabadSalman Raza Naqvi - National University of Sciences and TechnologySabry M Shaheen - University of WuppertalMuhammad Imran - COMSATS University IslamabadHailong Wang - Foshan UniversityKhalid Mahmud Hussaini - University of Agriculture FaisalabadHua Zhang - Chinese Academy of SciencesJörg Rinklebe - University of Wuppertal
- Publication Details
- Journal of Hazardous Materials, Vol.402, pp.1-11
- Publisher
- Elsevier BV
- Grant note
- The authors are thankful to Higher Education Commission, Pakistan (Project Nos. 6425/Punjab/NRPU/R&D/HEC/2016 and 6396/Punjab/NRPU/R &D/HEC/2016) for providing financial support. Drs Nabeel Khan Niazi and Irshad Bibi are thankful to the University of Agriculture Faisalabad. Dr Irshad Bibi acknowledges the support from COMSTEQ-TWAS research grant 2018 (18-268 RG/EAS/AS_C).
- Identifiers
- 991012951197402368
- Copyright
- © 2020 Elsevier B.V. All rights reserved.
- Academic Unit
- School of Environment, Science and Engineering; Science; Faculty of Science and Engineering
- Language
- English
- Resource Type
- Journal article