ASSESSMENT OF CONTAMINATION BY HEAVY METALS IN SOIL OF LAYLAN AREA / NE OF IRAQ.
- Master Student at Dept. of Applied Geology, College of Science, Kirkuk University.
- Environmental Research center,College of Science, University of Kirkuk, Kirkuk,Iraq.
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Abstract
The metal contamination in soil ofLaylansub-districtwas evaluated by applying Geo-accumulation Index (I-geo),Enrichment Factor (EF), Contamination Factor (CF), Degree ofContamination (Cd) and Pollution Load Index (PLI) fortenmetalloids(heavy metals) elements (Se, As, Cd, Ni, ZN, Cr, Pb, Ag, Cu, Hg). According to the calculated of Contamination factor (CF)values,the mean CF values for different heavy metals in the soil of Laylan are Se> As>Cd> Ni> ZN> Cr>Pb>Ag >Cu> Hg. Soil site No. 4 recorded the maximum value of the degree of contamination which indicated as aconsiderable degree of contamination. Site 5 displayed the highestPLI value = 0.968. Based onGeo-accumulation Index I-geoof laylan soil the mean value of I-geo for metalloids(heavy metals) elementsas the following order: Se> As> Cd> Ni> ZN> Cr>Pb>Ag >Cu> Hg. According to enrichment factorthe meanvalues of EF for heavy metals have an order Se> As< Cd> Ni> ZN> Cr>Pb>Ag >Cu> Hg.
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Hisham K. M.Shukur and Omer S.Al-Tamimi (2016); ASSESSMENT OF CONTAMINATION BY HEAVY METALS IN SOIL OF LAYLAN AREA / NE OF IRAQ., International Journal of Advanced Research (IJAR), 4 (07), 505-512, ISSN 2320-5407. DOI: https://doi.org/10.21474/IJAR01/1145
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