| Fine particulate matter source apportionment following a large woodstove changeout program in Libby, Montana. | |
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MedLine Citation:
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PMID: 20564994 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Before a community-wide woodstove changeout program, a chemical mass balance (CMB) source apportionment study was conducted in Libby, MT, during the winter of 2003-2004 to identify the sources of fine particulate matter (PM2.5) within the valley. Results from this study showed that residential woodstoves were the major source, contributing approximately 80% of the ambient PM2.5 throughout the winter months. In an effort to lower the ambient PM2.5, a large woodstove changeout program was conducted in Libby from 2005 to 2007 in which nearly 1200 old woodstoves were changed out with cleaner burning models. During the winter of 2007-2008, a follow-up CMB source apportionment study was conducted to evaluate the effectiveness of the changeout. Results from this study showed that average winter PM2.5 mass was reduced by 20%, and woodsmoke-related PM2.5 (as identified by the CMB model) was reduced by 28% when compared with the pre-changeout winter of 2003-2004. These results suggest that a woodstove changeout can be an effective tool in reducing ambient levels of PM2.5 in woodstove-impacted communities. |
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Authors:
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Tony J Ward; Christopher P Palmer; Curtis W Noonan |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of the Air & Waste Management Association (1995) Volume: 60 ISSN: 1096-2247 ISO Abbreviation: J Air Waste Manag Assoc Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-22 Completed Date: 2010-07-20 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9503111 Medline TA: J Air Waste Manag Assoc Country: United States |
Other Details:
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Languages: eng Pagination: 688-93 Citation Subset: IM |
Affiliation:
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University of Montana, Center for Environmental Health Sciences, Missoula, MT 59812, USA. tony.ward@umontana.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Air Pollution
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analysis*,
prevention & control Models, Chemical Montana Particulate Matter / analysis* Smoke / analysis*, prevention & control |
| Grant Support | |
ID/Acronym/Agency:
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P20 RR017670/RR/NCRR NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Particulate Matter; 0/Smoke |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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