Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina

Autores
Astoviza, Malena Julia; Cappelletti, Natalia Elsa; Bilos, Claudio; Migoya, María Carolina; Colombo, Juan Carlos
Año de publicación
2016
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Atmospheric Polychlorinated Biphenyls (PCBs:Σ42 congeners) collected by polyurethane passive samplers (PAS-PUFs) in 29 stations from July 2010 to February 2014 (n = 141) in the most productive and populated Southern Rio de la Plata area in Argentina were evaluated to assess concentration gradients, potential sources and compositional profiles related to different land use and urbanization. On a global scale, total airborne PCBs concentrations are low/very low (below detection limit to 937 pg m−3) and show a significant potential correlation with urban scale increasing 2.5 times each 10 times increase of population reflecting the primary role of urbanization controlling PCB emissions. Compositional patterns evaluated by principal component analysis (PCA) of individual congeners indicated that highly populated atmospheres are enriched in lighter, more volatile tri, tetra and penta chlorine congeners of lighter Aroclor mixtures (from 1242 to 1254) suggesting actual emission of fresh PCBs signatures from sealants, combustion and/or electrical equipment. Sub urban and rural sites show a gradual transition to heavier Aroclor mixtures (from 1254 to 1260) with predominance of more persistent hexa and hepta PCBs indicating an aged background signal resulting from long range transport and/or reemission from historic reservoirs such as soils.
Facultad de Ciencias Naturales y Museo
Materia
Ciencias Naturales
Atmospheric Polychlorinated Biphenyls
Río de la Plata Basin
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/104971
Acceder
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repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, ArgentinaAstoviza, Malena JuliaCappelletti, Natalia ElsaBilos, ClaudioMigoya, María CarolinaColombo, Juan CarlosCiencias NaturalesAtmospheric Polychlorinated BiphenylsRío de la Plata BasinAtmospheric Polychlorinated Biphenyls (PCBs:Σ42 congeners) collected by polyurethane passive samplers (PAS-PUFs) in 29 stations from July 2010 to February 2014 (n = 141) in the most productive and populated Southern Rio de la Plata area in Argentina were evaluated to assess concentration gradients, potential sources and compositional profiles related to different land use and urbanization. On a global scale, total airborne PCBs concentrations are low/very low (below detection limit to 937 pg m<sup>−3</sup>) and show a significant potential correlation with urban scale increasing 2.5 times each 10 times increase of population reflecting the primary role of urbanization controlling PCB emissions. Compositional patterns evaluated by principal component analysis (PCA) of individual congeners indicated that highly populated atmospheres are enriched in lighter, more volatile tri, tetra and penta chlorine congeners of lighter Aroclor mixtures (from 1242 to 1254) suggesting actual emission of fresh PCBs signatures from sealants, combustion and/or electrical equipment. Sub urban and rural sites show a gradual transition to heavier Aroclor mixtures (from 1254 to 1260) with predominance of more persistent hexa and hepta PCBs indicating an aged background signal resulting from long range transport and/or reemission from historic reservoirs such as soils.Facultad de Ciencias Naturales y Museo2016info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf16-22http://sedici.unlp.edu.ar/handle/10915/104971enginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0048969716315479info:eu-repo/semantics/altIdentifier/issn/0048-9697info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2016.07.101info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-15T11:15:12Zoai:sedici.unlp.edu.ar:10915/104971Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-15 11:15:12.983SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
title Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
spellingShingle Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
Astoviza, Malena Julia
Ciencias Naturales
Atmospheric Polychlorinated Biphenyls
Río de la Plata Basin
title_short Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
title_full Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
title_fullStr Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
title_full_unstemmed Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
title_sort Airborne PCB patterns and urban scale in the Southern Río de la Plata Basin, Argentina
dc.creator.none.fl_str_mv Astoviza, Malena Julia
Cappelletti, Natalia Elsa
Bilos, Claudio
Migoya, María Carolina
Colombo, Juan Carlos
author Astoviza, Malena Julia
author_facet Astoviza, Malena Julia
Cappelletti, Natalia Elsa
Bilos, Claudio
Migoya, María Carolina
Colombo, Juan Carlos
author_role author
author2 Cappelletti, Natalia Elsa
Bilos, Claudio
Migoya, María Carolina
Colombo, Juan Carlos
author2_role author
author
author
author
dc.subject.none.fl_str_mv Ciencias Naturales
Atmospheric Polychlorinated Biphenyls
Río de la Plata Basin
topic Ciencias Naturales
Atmospheric Polychlorinated Biphenyls
Río de la Plata Basin
dc.description.none.fl_txt_mv Atmospheric Polychlorinated Biphenyls (PCBs:Σ42 congeners) collected by polyurethane passive samplers (PAS-PUFs) in 29 stations from July 2010 to February 2014 (n = 141) in the most productive and populated Southern Rio de la Plata area in Argentina were evaluated to assess concentration gradients, potential sources and compositional profiles related to different land use and urbanization. On a global scale, total airborne PCBs concentrations are low/very low (below detection limit to 937 pg m<sup>−3</sup>) and show a significant potential correlation with urban scale increasing 2.5 times each 10 times increase of population reflecting the primary role of urbanization controlling PCB emissions. Compositional patterns evaluated by principal component analysis (PCA) of individual congeners indicated that highly populated atmospheres are enriched in lighter, more volatile tri, tetra and penta chlorine congeners of lighter Aroclor mixtures (from 1242 to 1254) suggesting actual emission of fresh PCBs signatures from sealants, combustion and/or electrical equipment. Sub urban and rural sites show a gradual transition to heavier Aroclor mixtures (from 1254 to 1260) with predominance of more persistent hexa and hepta PCBs indicating an aged background signal resulting from long range transport and/or reemission from historic reservoirs such as soils.
Facultad de Ciencias Naturales y Museo
description Atmospheric Polychlorinated Biphenyls (PCBs:Σ42 congeners) collected by polyurethane passive samplers (PAS-PUFs) in 29 stations from July 2010 to February 2014 (n = 141) in the most productive and populated Southern Rio de la Plata area in Argentina were evaluated to assess concentration gradients, potential sources and compositional profiles related to different land use and urbanization. On a global scale, total airborne PCBs concentrations are low/very low (below detection limit to 937 pg m<sup>−3</sup>) and show a significant potential correlation with urban scale increasing 2.5 times each 10 times increase of population reflecting the primary role of urbanization controlling PCB emissions. Compositional patterns evaluated by principal component analysis (PCA) of individual congeners indicated that highly populated atmospheres are enriched in lighter, more volatile tri, tetra and penta chlorine congeners of lighter Aroclor mixtures (from 1242 to 1254) suggesting actual emission of fresh PCBs signatures from sealants, combustion and/or electrical equipment. Sub urban and rural sites show a gradual transition to heavier Aroclor mixtures (from 1254 to 1260) with predominance of more persistent hexa and hepta PCBs indicating an aged background signal resulting from long range transport and/or reemission from historic reservoirs such as soils.
publishDate 2016
dc.date.none.fl_str_mv 2016
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/104971
url http://sedici.unlp.edu.ar/handle/10915/104971
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0048969716315479
info:eu-repo/semantics/altIdentifier/issn/0048-9697
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2016.07.101
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
16-22
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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