Abstract
Ten soil samples were collected from Ishaqi project area, Salah Al-Dean Governorate, and analysed for chemical elements (Fe2O3, Al2O3, CaO, K2O Na2O, Co, Zn, Cu, and Pb) to detect the pollution in the study soil using the indices of geo-accumulation (I-geo), contamination factor (CF), and pollution load index (PLI), The results of I-geo indicate that the soil of Ishaqi project area is unpolluted with Pb, Co and slightly polluted with Zn and Cu. The results of CF for Zn, Cu, and Co showed class 2 of moderate contamination and class 1 of low contamination in some samples while those for Pb demonstrated class 1 –of low contamination. The Pollution Load Index (PLI) values for Co, Zn, Cu, and Pb showed class 2 of local pollution.
Highlights
High probability of heavy elements contamination is expected from exhaust gases of vehicles, emissions from factories, regional / local sand and dust storms
The study area has been heavily used for agricultural purposes[4].The objective of this research is to calculate the heavy elements distribution in the soil of Ishaqi project area using the geoaccumulation index (I-geo), contamination factor (CF), and Pollution load index (PLI)
The selected samples were investigated for Co, Zn, Cu, and Pb elements using three indices; geo-accumulation index (I-geo), contamination factor (CF), and pollution load index (PLI) to detect soil pollution
Summary
High probability of heavy elements contamination is expected from exhaust gases of vehicles, emissions from factories, regional / local sand and dust storms. Toxic heavy elements affecting the ecosystems could lead to geo-accumulation and bioaccumulation [1]. Many authors studied the heavy elements as a. Iraqi Journal of Science, 2020, Vol 61, No 2, pp: 382-388 polluted indicator using the traditional analytical methods [3], but neither one used the proposed indices to evaluate the pollution and the degree of weathering of study area soil, central Iraq. The study area has been heavily used for agricultural purposes[4].The objective of this research is to calculate the heavy elements distribution in the soil of Ishaqi project area using the geoaccumulation index (I-geo), contamination factor (CF), and Pollution load index (PLI)
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