Global ETD Search
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Showing 1 to 3 of 3 for “"Contamination factor"”.
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Water quality assessment and potential ecological risk of trace metals in sediments of some selected wetland across Limpopo Province; South Africa
… presented a very high risk index (RI) value. The contamination factor values of Cr levels recorded at some sites (W3, W5, W9, W11, W12, W15, and W16), presented extremely high levels greater than CF>32 of toxicity to aquatic biota. Level of contamination (CD) values presented extremely high risk …
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Development of an integrated approach for prioritization of mine features of selected abandoned mines for rehabilitation in the Giyani Greenstone Belt
… of each abandoned mine feature. Sources of contamination, pathways and impacts of abandoned mine features were scored and ranked for physical and environmental hazards. Abandoned mine features with greater physical, environmental, and chemical scores were then prioritized for rehabilitation. …
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Assessment of Potential Temporal Impacts of “Land use Activities on Water Quality of the Luvuvhu River “Catchment, South Africa
… the “Pollution Load Index (PLI), Enrichment Factor (EF), Contamination Factor (Ci f) and Geo-accumulation Index (Igeo) indicate that the level of contamination is low to moderate in most of the” sediment samples. In consideration of “the potential ecological risk, the LRC sediments show low …