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Particulate Matter Oxidative Potential from Waste Transfer Station Activity
BACKGROUND: Adverse cardiorespiratory health is associated with exposure to ambient particulate matter (PM). The highest PM concentrations in London occur in proximity to waste transfer stations (WTS), sites that experience high numbers of dust-laden, heavy-duty diesel vehicles transporting industri...
Autores principales: | , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
National Institute of Environmental Health Sciences
2010
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2854725/ https://www.ncbi.nlm.nih.gov/pubmed/20368130 http://dx.doi.org/10.1289/ehp.0901303 |
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author | Godri, Krystal J. Duggan, Sean T. Fuller, Gary W. Baker, Tim Green, David Kelly, Frank J. Mudway, Ian S. |
author_facet | Godri, Krystal J. Duggan, Sean T. Fuller, Gary W. Baker, Tim Green, David Kelly, Frank J. Mudway, Ian S. |
author_sort | Godri, Krystal J. |
collection | PubMed |
description | BACKGROUND: Adverse cardiorespiratory health is associated with exposure to ambient particulate matter (PM). The highest PM concentrations in London occur in proximity to waste transfer stations (WTS), sites that experience high numbers of dust-laden, heavy-duty diesel vehicles transporting industrial and household waste. OBJECTIVE: Our goal was to quantify the contribution of WTS emissions to ambient PM mass concentrations and oxidative potential. METHODS: PM with a diameter < 10 μm (PM(10)) samples were collected daily close to a WTS. PM(10) mass concentrations measurements were source apportioned to estimate local versus background sources. PM oxidative potential was assessed using the extent of antioxidant depletion from a respiratory tract lining fluid model. Total trace metal and bioavailable iron concentrations were measured to determine their contribution to PM oxidative potential. RESULTS: Elevated diurnal PM(10) mass concentrations were observed on all days with WTS activity (Monday–Saturday). Variable PM oxidative potential, bioavailable iron, and total metal concentrations were observed on these days. The contribution of WTS emissions to PM at the sampling site, as predicted by microscale wind direction measurements, was correlated with ascorbate (r = 0.80; p = 0.030) and glutathione depletion (r = 0.76; p = 0.046). Increased PM oxidative potential was associated with aluminum, lead, and iron content. CONCLUSIONS: PM arising from WTS activity has elevated trace metal concentrations and, as a consequence, increased oxidative potential. PM released by WTS activity should be considered a potential health risk to the nearby residential community. |
format | Text |
id | pubmed-2854725 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2010 |
publisher | National Institute of Environmental Health Sciences |
record_format | MEDLINE/PubMed |
spelling | pubmed-28547252010-04-26 Particulate Matter Oxidative Potential from Waste Transfer Station Activity Godri, Krystal J. Duggan, Sean T. Fuller, Gary W. Baker, Tim Green, David Kelly, Frank J. Mudway, Ian S. Environ Health Perspect Research BACKGROUND: Adverse cardiorespiratory health is associated with exposure to ambient particulate matter (PM). The highest PM concentrations in London occur in proximity to waste transfer stations (WTS), sites that experience high numbers of dust-laden, heavy-duty diesel vehicles transporting industrial and household waste. OBJECTIVE: Our goal was to quantify the contribution of WTS emissions to ambient PM mass concentrations and oxidative potential. METHODS: PM with a diameter < 10 μm (PM(10)) samples were collected daily close to a WTS. PM(10) mass concentrations measurements were source apportioned to estimate local versus background sources. PM oxidative potential was assessed using the extent of antioxidant depletion from a respiratory tract lining fluid model. Total trace metal and bioavailable iron concentrations were measured to determine their contribution to PM oxidative potential. RESULTS: Elevated diurnal PM(10) mass concentrations were observed on all days with WTS activity (Monday–Saturday). Variable PM oxidative potential, bioavailable iron, and total metal concentrations were observed on these days. The contribution of WTS emissions to PM at the sampling site, as predicted by microscale wind direction measurements, was correlated with ascorbate (r = 0.80; p = 0.030) and glutathione depletion (r = 0.76; p = 0.046). Increased PM oxidative potential was associated with aluminum, lead, and iron content. CONCLUSIONS: PM arising from WTS activity has elevated trace metal concentrations and, as a consequence, increased oxidative potential. PM released by WTS activity should be considered a potential health risk to the nearby residential community. National Institute of Environmental Health Sciences 2010-04 2009-12-17 /pmc/articles/PMC2854725/ /pubmed/20368130 http://dx.doi.org/10.1289/ehp.0901303 Text en http://creativecommons.org/publicdomain/mark/1.0/ Publication of EHP lies in the public domain and is therefore without copyright. All text from EHP may be reprinted freely. Use of materials published in EHP should be acknowledged (for example, ?Reproduced with permission from Environmental Health Perspectives?); pertinent reference information should be provided for the article from which the material was reproduced. Articles from EHP, especially the News section, may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright. |
spellingShingle | Research Godri, Krystal J. Duggan, Sean T. Fuller, Gary W. Baker, Tim Green, David Kelly, Frank J. Mudway, Ian S. Particulate Matter Oxidative Potential from Waste Transfer Station Activity |
title | Particulate Matter Oxidative Potential from Waste Transfer Station Activity |
title_full | Particulate Matter Oxidative Potential from Waste Transfer Station Activity |
title_fullStr | Particulate Matter Oxidative Potential from Waste Transfer Station Activity |
title_full_unstemmed | Particulate Matter Oxidative Potential from Waste Transfer Station Activity |
title_short | Particulate Matter Oxidative Potential from Waste Transfer Station Activity |
title_sort | particulate matter oxidative potential from waste transfer station activity |
topic | Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2854725/ https://www.ncbi.nlm.nih.gov/pubmed/20368130 http://dx.doi.org/10.1289/ehp.0901303 |
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