Pinnacle Environemtal & Earth Sciences

(ISSN: 2360-9478)

December 2015, Vol. 2 (3).

© Author(s) 2015. This work is distributed under the Creative Commons Attribution 3.0 License.

Research Article

 

Health Risk Assessment of Heavy Metals and their Source Apportionment in Drinking Water of Zulfi District, North-West of Riyadh Region

N. Ibrahim

Engineering and Applied Science Research Centre
Majmaah University,
Saudi Arabia.

Accepted 28 November, 2014; Available Online 7 December, 2015


Abstract:

The present study was conducted to investigate heavy metal (Al, As, , Cd, Cr, Fe, Mn , Ni, Pb , Hg, and Zn) concentrations of drinking water (groundwater) samples in Zulfi, north-west of Riyadh region.
Furthermore, the study aimed to ascertain potential health risk of heavy metal (HM) concentrations to local population. HM concentrations were analyzed by using Inductively Coupled Plasma (ICP) spectrophotometer equipped with an ultrasonic nebulizer using Inductively Coupled Plasma (ICP) spectrophotometer.
The minimum and maximum trace metals concentrations in different areas for (Al, As, Cd, Cr, Mn, Ni, Pb, Hg, and Zn) ranged between (1.61-0.19. 2.4-0.5 ,0.34-0.1 ,13.64-1.85 ,420-0.15 ,9.56-0.11, 0.52-0.1 ,0.96-0.18 µg/L) respectively.
The results indicated the presence of iron in all sampled wells. Its concentrations exceeded the maximum contaminant level (MCL) in 69% of the samples. It is recommended that an adequate and suitable treatment must be applied to the wells having elevated concentrations of the metals and supplying drinking water to the consumers.

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