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Artículo

Human health risk assessment and environmental distribution of trace elements, glyphosate, fecal coliform and total coliform in atlantic rainforest mountain rivers (south America)

Avigliano, EstebanIcon ; Schenone, Nahuel FranciscoIcon
Fecha de publicación: 05/2015
Editorial: Elsevier Science
Revista: Microchemical Journal
ISSN: 0026-265X
e-ISSN: 0026-265X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ética Médica; Otras Ciencias Químicas; Otras Agricultura, Silvicultura y Pesca

Resumen

Trace elements (Ag, Al, As, Ba, Be, Cd, Co, Cr, Cs, Cu, Fe, Ga, Mn, Ni, Pb, Se, Sr, Ti, U, V and Zn), glyphosate and fecal (FC) and total coliform (TC) bacteria in surface water samples in 24 rivers from southern Atlantic rainforest (South America) were analyzed. The potential health risk of these trace elements, glyphosate and coliform to local population were assessed. Trace elements' (TE) concentrations were determined by ICP-MS, while the glyphosate was analyzed by HPLC. Determination of coliform was performed by dilution method and incubation. The results were then compared to national and international guidelines to diagnose the environmental situation. Only the Fe and Mn concentration were above the recommended limits by USEPA (Mn = 500 μg L− 1) (USEPA, 2009) and WHO (Mn = 400 μg L− 1). Based on TE concentrations, the Hazard Quotient and Hazard Index were calculated. The resulting indices suggest no risk to population. Glyphosate was below 200 μg L− 1 in all sites, except San Antonio River, where the concentration was 1600 μg L− 1. According to the USEPA, the glyphosate could present a low risk for children, but only in the San Antonio River during extreme floods. Based on the mean concentration of FCs, three of the 24 rivers were classified as high risk (CFU 100 ml− 1 > 1000) while the other study sites were intermediate (100 > CFU 100 ml− 1 > 1000 ml). Inter-trace element correlation revealed the natural origin of Ba, Cu, Fe, Mn, V and Zn. Principal component analysis and factor analysis revealed that high levels of coliform were associated with urbanization and changes in land use.
Palabras clave: Heavy Metals , Glyphosate , Coliform Bacteria , Water Pollution , Rainforest , Risk Assessment
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/27339
URL: http://www.sciencedirect.com/science/article/pii/S0026265X15000880
DOI: http://dx.doi.org/10.1016/j.microc.2015.05.004
Colecciones
Articulos(CECOAL)
Articulos de CENTRO DE ECOLOGIA APLICADA DEL LITORAL (I)
Articulos(INPA)
Articulos de UNIDAD EJECUTORA DE INVESTIGACIONES EN PRODUCCION ANIMAL
Citación
Avigliano, Esteban; Schenone, Nahuel Francisco; Human health risk assessment and environmental distribution of trace elements, glyphosate, fecal coliform and total coliform in atlantic rainforest mountain rivers (south America); Elsevier Science; Microchemical Journal; 122; 5-2015; 149-158
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