—The presence of heavy metals in landfill leachate
pose a risk to the environment especially in unlined landfills
where dissipation of leachate into ground water might occur.
This study is focused on the assessment of heavy metals in
leachate of Al Amerat unlined landfill in the Sultanate of Oman.
Leachate samples were collected from leachate pools located
behind the landfill and analyzed using the standard methods.
Results showed that certain heavy metals found in leachate
were exceeding the drinking water standards and waste water
re-use and discharge standards of the Sultanate. Al, V, Cr, Mn,
Co, Ni, Ba, Pb and Fe were all above the standards in
concentrations of 2.050 mg/l, 0.9775 mg/l, 2.800 mg/l, 0.503 mg/l,
0.128 mg/l, 0.773 mg/l, 0.8575 mg/l, 0.130 mg/l, and 39.25 mg/l,
respectively. The effect of these contaminants should be
considered as surface and ground water contamination might
occur. Rehabilitation of such unlined landfills should take place
with continuous monitoring programs of ground water sources
around the area to contain any contamination that might occur.
—Landfill, leachate, heavy metals, Oman.
The authors are with Sultan Qaboos University, college of science,
Muscat, Sultanate of Oman (e-mail: firstname.lastname@example.org,
Cite:Sumaiya Abdul Hameed Al Raisi, Hameed Sulaiman, Fakhr Eldin Suliman, and Osman Abdallah, "Assessment of Heavy Metals in Leachate of an Unlined Landfill in the Sultanate of Oman," International Journal of Environmental Science and Development vol. 5, no. 1, pp. 60-63, 2014.