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Concentration Gradient Patterns of Traffic and Non-Traffic-Generated Fine and Coarse Aerosol Particles

Journal of environmental health, 2014-01, Vol.76 (6), p.122-129 [Tạp chí có phản biện]

Copyright 2014, National Environmental Health Association ;COPYRIGHT 2014 National Environmental Health Association ;COPYRIGHT 2014 National Environmental Health Association ;Copyright National Environmental Health Association Jan/Feb 2014 ;ISSN: 0022-0892 ;PMID: 24645423 ;CODEN: JEVHAH

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Nhan đề:
Concentration Gradient Patterns of Traffic and Non-Traffic-Generated Fine and Coarse Aerosol Particles
Tác giả: Sparks, C. ; Reponen, T. ; Grinshpun, S.A. ; Ryan, P. ; Yermakov, M. ; Simmons, M. ; Alam, M. ; Howard, L.A.
Chủ đề: ADVANCEMENT OF THE SCIENCE ; Aerosols - analysis ; Aerosols - chemistry ; Air Pollutants - analysis ; Air Pollutants - chemistry ; Air pollution ; Air Pollution - analysis ; Air Pollution - statistics & numerical data ; Air quality ; Airborne particulates ; Analysis of Variance ; Atoms & subatomic particles ; Environmental Monitoring ; Measurement ; Ohio ; Particle Size ; Particulate Matter - analysis ; Particulate Matter - chemistry ; Roads & highways ; Seasons ; Vehicle Emissions - analysis
Là 1 phần của: Journal of environmental health, 2014-01, Vol.76 (6), p.122-129
Mô tả: The research project described in this article was undertaken to establish baseline information for a Health Impact Assessment (HIA) project of Interstate 75 road construction in Cincinnati, Ohio. The objective of the authors’ study was to evaluate the concentrations of elemental and organic carbon (EC and OC), as well as characterize particle number concentrations using devices that measure the fine fraction in the range of 0.02–1 μm and the coarse fraction up to 20 μm. The measurements were conducted at two sites located in the proximity of an interstate highway (at 124 and 277 m) as well as at a remote control site (at >2000 m from any interstate highway). Samples were collected for 24 hours over 12 days in each season (i.e., summer, fall, and winter). Wind data were obtained from the area weather station. Data were analyzed using mixed linear models. Significant increases in concentrations of EC, OC, and fine particles as well as in EC/OC ratios were observed with decreased distance to the highway; this difference was more pronounced in the fall. These results suggest that residents and workers in areas near high-traffic highways may be exposed to elevated levels of airborne fine particles. The results can be used as a baseline for future HIAs of road construction in the area.
Nơi xuất bản: United States: National Environmental Health Association
Ngôn ngữ: Dzongkha;English
Số nhận dạng: ISSN: 0022-0892
PMID: 24645423
CODEN: JEVHAH
Nguồn: MEDLINE
ProQuest Central

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Concentration Gradient Patterns of Traffic and Non-Traffic-Generated Fine and Coarse Aerosol Particles

Copyright 2014, National Environmental Health Association ;COPYRIGHT 2014 National Environmental Health Association ;COPYRIGHT 2014 National Environmental Health Association ;Copyright National Environmental Health Association Jan/Feb 2014 ;ISSN: 0022-0892 ;PMID: 24645423 ;CODEN: JEVHAH

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