Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil

Detalhes bibliográficos
Autor(a) principal: Celino, Joil José
Data de Publicação: 2012
Outros Autores: Corseuil, Henry Xavier, Fernandes, M., Hadlich, Gisele Mara
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/7223
Resumo: p. 141-149
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spelling Celino, Joil JoséCorseuil, Henry XavierFernandes, M.Hadlich, Gisele MaraCelino, Joil JoséCorseuil, Henry XavierFernandes, M.Hadlich, Gisele Mara2012-11-14T22:56:17Z2012-11-14T22:56:17Z20122163-26341364-5544http://www.repositorio.ufba.br/ri/handle/ri/72232p. 141-149Persistent toxic substances (PTSs) such as polycyclic aromatic hydrocarbons (PAHs) are of great concern due to their persistence, bioaccumulation and toxic effects. In this work, 14 PAHs included in the US Environmental Protection Agency’s (EPA) priority pollutant list were analysed using gas chromatography–mass spectrometry (GC–MS). Surface water sampling was undertaken in Todos os Santos Bay, northern Brazil. Total PAH concentrations varied from 0.0029 to 0.1079 ng/L in surface waters (main rivers, tributaries, etc.) with mean value of 0.0344 ng/L. Such concentrations can be taken as background values for the studied region and show that PAHs are within or lower than levels reported in certain other areas. The PAH profiles were dominated by high molecular weight PAHs (four- and five-ring components) in surface water sam-ples. It indicated that PAHs in surface water have its origin from oil or sewage contamination (petrogenic input). The col-lected data, based on indices among phenanthrene versus anthracene, showed that petrogenic input was predominant at almost all the stations investigated. Principal component analysis (PCA), using a correlation matrix, revealed the latent re-lationships among all the surface water stations investigated and confirmed our analytical results.Submitted by Hora Fontes Nadja Maria (pospetro@ufba.br) on 2012-11-14T22:56:17Z No. of bitstreams: 1 Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil.pdf: 650882 bytes, checksum: e2327a55f56fa968df2ea2a071c70748 (MD5)Made available in DSpace on 2012-11-14T22:56:17Z (GMT). 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dc.title.pt_BR.fl_str_mv Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
dc.title.alternative.pt_BR.fl_str_mv Resources and Environment
title Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
spellingShingle Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
Celino, Joil José
Polycyclic Aromatic Hydrocarbons (PAHs)
Surface Water
Estuary
Gas Chromatography–Mass Spec-trometry (GC–MS)
Principal Component Analysis (PCA)
title_short Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
title_full Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
title_fullStr Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
title_full_unstemmed Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
title_sort Persistent toxic substances in surface water of Todos Os Santos Bay, Brazil
author Celino, Joil José
author_facet Celino, Joil José
Corseuil, Henry Xavier
Fernandes, M.
Hadlich, Gisele Mara
author_role author
author2 Corseuil, Henry Xavier
Fernandes, M.
Hadlich, Gisele Mara
author2_role author
author
author
dc.contributor.author.fl_str_mv Celino, Joil José
Corseuil, Henry Xavier
Fernandes, M.
Hadlich, Gisele Mara
Celino, Joil José
Corseuil, Henry Xavier
Fernandes, M.
Hadlich, Gisele Mara
dc.subject.por.fl_str_mv Polycyclic Aromatic Hydrocarbons (PAHs)
Surface Water
Estuary
Gas Chromatography–Mass Spec-trometry (GC–MS)
Principal Component Analysis (PCA)
topic Polycyclic Aromatic Hydrocarbons (PAHs)
Surface Water
Estuary
Gas Chromatography–Mass Spec-trometry (GC–MS)
Principal Component Analysis (PCA)
description p. 141-149
publishDate 2012
dc.date.accessioned.fl_str_mv 2012-11-14T22:56:17Z
dc.date.available.fl_str_mv 2012-11-14T22:56:17Z
dc.date.issued.fl_str_mv 2012
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/7223
dc.identifier.issn.none.fl_str_mv 2163-2634
1364-5544
dc.identifier.number.pt_BR.fl_str_mv 2
identifier_str_mv 2163-2634
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url http://www.repositorio.ufba.br/ri/handle/ri/7223
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