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Profiles and sources of pahs in sediments from an open-pit mining area in the Peruvian andes

Orecchio, Santino, Bianchini, Flaviano, Bonsignore, Riccardo ORCID:, Blandino, Pietro, Barreca, Salvatore and Amorello, Diana 2015. Profiles and sources of pahs in sediments from an open-pit mining area in the Peruvian andes. Polycyclic Aromatic Compounds 36 (4) , pp. 429-451. 10.1080/10406638.2015.1005242

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The Peruvian Andes are one of the most productive areas for mining and therefore also one of the most exposed to these sources of pollution. This article reports the characterization of Polycyclic Aromatic Hydrocarbons (PAHs) in sediments of Cerro de Pasco area (Peru) located close to a large open-pit mine and, in recent years, several reports have provided evidence of environmental contamination and related health problems. Investigations were carried out into the fifteen PAHs identified by the US-Environment Protection Agency (US-EPA) as requiring priority monitoring, other non US-EPA listed PAHs and perylene were also investigated in order to obtain further information on their origins. By considering the results of all the analysis, the total PAHs concentration varies from 13–1009 μg/Kg with a mean value of 224 μg/Kg. The concentrations of PAHs found in all 12 stations were lower than the effect range low (ERL). PAHs, in the most of the samples, have origin from high temperature processes. Taking into consideration that perylene concentrations were low, a small quantity of polycyclic hydrocarbons may be originated from biological activity.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Chemistry
ISSN: 1563-5333
Date of Acceptance: 31 December 2014
Last Modified: 07 Nov 2022 09:19

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