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Combustion-derived nanoparticle exposure and household solid fuel use in Xuanwei and Fuyuan, China
Link to Journal Abstract
Combustion-derived nanoparticles (CDNPs) have not been readably measurable until recently. We conducted a pilot study to determine CDNP levels during solid fuel burning. The aggregate surface area of CDNP (?m2/cm3) was monitored continuously in 15 Chinese homes using varying fuel types (i.e. bituminous coal, anthracite coal, wood) and stove types (i.e. portable stoves, stoves with chimneys, firepits). Information on fuel burning activities was collected and PM2.5 levels were measured. Substantial exposure differences were observed during solid fuel burning (mean: 228.1 ?m2/cm3) compared to times without combustion (mean: 14.0 ?m2/cm3). The observed levels during burning were reduced by about four-fold in homes with a chimney (mean: 92.1 ?m2/cm3; n = 9), and effects were present for all fuel types. Each home's CDNP measurement was only moderately correlated with the respective PM2.5 measurements (r 2 = 0.43; p = 0.11). Our results indicate that household coal and wood burning contributes to indoor nanoparticle levels, which are not fully reflected in PM2.5 measurements.
This paper describes a pilot study to determine combustion-derived nanoparticle (CDNP) levels during solid fuel burning. The aggregate surface area of CDNP (?m2/cm3) was monitored continuously in 15 Chinese homes using varying fuel types and stove types. Information on fuel burning activities was collected and PM2.5 levels were measured.
Peer Reviewed Journal Article
Exposure Or Hazard Target
Method Of Study
Material Analysis and Applications
Environmental Fate and Transport
Risk Exposure Group
International Journal of Environmental Health Research, 2012, 22(6): 571-581
International Journal of Environmental Health Research
Hosgood HD, Lan Q, Vermeulen R, Wei H, Reiss B, Coble J, Wei F, Jun X, Wu G, Rothman N
Last updated on November 8, 2012
This work is supported in part by the Nanoscale Science and Engineering Initiative of the National Science Foundation
under NSF Award Number EEC-0118007.
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