Distribution and Assessment of Heavy Metal Levels Using Geoaccumulation Index and Pollution Load Index in Lake Edku Sediments, Egypt
Yousef Ahmed Annaas Waheshi,
Maie Ibrahim El-Gammal,
Mahmoud Salem Ibrahim,
Mohamed Abdel Aziz Okbah
Issue:
Volume 5, Issue 1, February 2017
Pages:
1-8
Received:
5 January 2017
Accepted:
16 January 2017
Published:
16 February 2017
Abstract: The aim of this study is to determine and assessment of some heavy metals content (Fe, Mn, Zn, Cu, Ni, Cr, Co and Pb) in the sediment of Lake Edku. Surface sediment samples were collected in September (summer) 2016. The metals content in the Lake sediments decreased in the order of Fe > Mn >Cr >Co >Zn > Cu >Ni= Pb. The range and average ±SD concentrations (µgg-1) of the investigated heavy metals were 30275-43312 (38822±4312) for Fe; 781.8-3432 (1923.6±855) for Mn; 53.8-107 (82.5 ± 18) for Zn; 55.2-91.5(72.3 ± 13) for Cu;87.3-158.8(113.1 ± 24) for Cr; 23.0-63.3(45.0 ± 13.0) for Ni; 81.5-117.8(98.9±11.0) for Co and 32.9 – 55.2 (44.6 ± 8.0) for Pb. The enrichment factor of the study area (EF mean values) have the order of EFCo > EFMn >EFPb > EFCu >EFCr >EFZn >EFNi. According to the geoaccumulation index (Igeo classification), the study area may be practically unpolluted with Fe, Zn, Ni and Cr (Igeo ranged from -2.15 to -0.41) along the study area. On the other hand, the Igeo of Co ranged from moderately to strongly pollutedarea. In addition, a lower degree of pollution was found in the sediments by the other heavy metals; Pb and Cu (unpolluted to moderate). The Pollution Load Index (PLI) indicated that station IX was characterized by low level of PLI with value of 1.25 while the other stations (ranged from 1.50 to 1.67).
Abstract: The aim of this study is to determine and assessment of some heavy metals content (Fe, Mn, Zn, Cu, Ni, Cr, Co and Pb) in the sediment of Lake Edku. Surface sediment samples were collected in September (summer) 2016. The metals content in the Lake sediments decreased in the order of Fe > Mn >Cr >Co >Zn > Cu >Ni= Pb. The range and a...
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Presence of Agricultural Herbicide Atrazine in Water, Foods, and Human Urine Samples
Issue:
Volume 5, Issue 1, February 2017
Pages:
9-13
Received:
6 February 2017
Accepted:
17 February 2017
Published:
4 March 2017
Abstract: Atrazine is a commonly used water-soluble agricultural herbicide in the United States. In this study, we measured the atrazine levels in water, beverages, foods, and urine samples obtained from young students at an urban university. The effects of physiological and behavioral factors were examined. Our results show that water samples obtained from Lake Erie and tap water both contained very low level of atrazine. Beverages and foods had various levels of atrazine contamination. Atrazine was also detected in the urine samples and mid-term physical activity appeared to be a factor to reduce the atrazine level in these subjects.
Abstract: Atrazine is a commonly used water-soluble agricultural herbicide in the United States. In this study, we measured the atrazine levels in water, beverages, foods, and urine samples obtained from young students at an urban university. The effects of physiological and behavioral factors were examined. Our results show that water samples obtained from ...
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