Indoor particulate matter in rural, wood stove heated homes

Erin O. Semmens; Curtis W. Noonan; Ryan W. Allen; Emily C. Weiler; Tony J. Ward

doi:10.1016/j.envres.2015.02.005

Indoor particulate matter in rural, wood stove heated homes

Erin O. Semmens
, Curtis W. Noonan
, Ryan W. Allen
, Emily C. Weiler
, Tony J. Ward

School of Public and Community Health Sciences

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

Ambient particulate matter (PM) exposures have adverse impacts on public health, but research evaluating indoor PM concentrations in rural homes in the United States using wood as fuel for heating is limited. Our objectives were to characterize indoor PM mass and particle number concentrations (PNCs), quantify infiltration of outdoor PM into the indoor environment, and investigate potential predictors of concentrations and infiltration in 96 homes in the northwestern US and Alaska using wood stoves as the primary source of heating. During two forty-eight hour sampling periods during the pre-intervention winter of a randomized trial, we assessed PM mass (<2.5μm) and PNCs (particles/cm³) in six size fractions (0.30-0.49, 0.50-0.99, 1.00-2.49, 2.5-5.0, 5.0-10.0, 10.0+μm). Daily mean (sd) PM_2.5 concentrations were 28.8 (28.5)μg/m³ during the first sampling period and 29.1 (30.1)μg/m³ during the second period. In repeated measures analyses, household income was inversely associated with PM_2.5 and smaller size fraction PNCs, in particular. Time of day was a significant predictor of indoor and outdoor PM_2.5 concentrations, and infiltration efficiency was relatively low (F_inf (sd)=0.27 (0.20)). Our findings demonstrate relatively high mean PM concentrations in these wood burning homes and suggest potential targets for interventions for improving indoor air quality and health in rural settings.

Original language	English
Pages (from-to)	93-100
Number of pages	8
Journal	Environmental Research
Volume	138
DOIs	https://doi.org/10.1016/j.envres.2015.02.005
State	Published - Apr 1 2015

Funding

The authors thank Carolyn Hester, Marcy McNamara, Luke Montrose, Johna Boulafentis, Stacey Harper, and Nicole Swensgard for leading data collection efforts and Steve Weiler for assistance with equipment and materials. We are grateful to the participants and their families for the considerable time and effort put into the study. This research was supported by the National Institute of Environmental Health Sciences : 1R01ES016336-01 and 3R01ES016336-02S1 . Additional support was provided by NCRR ( COBRE P20RR 017670 ). This research was supported by the National Institute of Environmental Health Sciences: 1R01ES016336-01 and 3R01ES016336-02S1. Additional support was provided by NCRR (COBRE P20RR 017670). The sponsors had no involvement in the study design; collection, analysis, and interpretation of data; manuscript preparation; and the decision to submit the article for publication.

Funder number
3R01ES016336-02S1
P20RR017670

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 3 Good Health and Well-being

Keywords

Biomass combustion
Indoor air quality
Infiltration efficiency
Particulate matter
Wood stove

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10.1016/j.envres.2015.02.005

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title = "Indoor particulate matter in rural, wood stove heated homes",

abstract = "Ambient particulate matter (PM) exposures have adverse impacts on public health, but research evaluating indoor PM concentrations in rural homes in the United States using wood as fuel for heating is limited. Our objectives were to characterize indoor PM mass and particle number concentrations (PNCs), quantify infiltration of outdoor PM into the indoor environment, and investigate potential predictors of concentrations and infiltration in 96 homes in the northwestern US and Alaska using wood stoves as the primary source of heating. During two forty-eight hour sampling periods during the pre-intervention winter of a randomized trial, we assessed PM mass (<2.5μm) and PNCs (particles/cm3) in six size fractions (0.30-0.49, 0.50-0.99, 1.00-2.49, 2.5-5.0, 5.0-10.0, 10.0+μm). Daily mean (sd) PM2.5 concentrations were 28.8 (28.5)μg/m3 during the first sampling period and 29.1 (30.1)μg/m3 during the second period. In repeated measures analyses, household income was inversely associated with PM2.5 and smaller size fraction PNCs, in particular. Time of day was a significant predictor of indoor and outdoor PM2.5 concentrations, and infiltration efficiency was relatively low (Finf (sd)=0.27 (0.20)). Our findings demonstrate relatively high mean PM concentrations in these wood burning homes and suggest potential targets for interventions for improving indoor air quality and health in rural settings.",

keywords = "Biomass combustion, Indoor air quality, Infiltration efficiency, Particulate matter, Wood stove",

author = "Semmens, \{Erin O.\} and Noonan, \{Curtis W.\} and Allen, \{Ryan W.\} and Weiler, \{Emily C.\} and Ward, \{Tony J.\}",

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AU - Semmens, Erin O.

AU - Noonan, Curtis W.

AU - Allen, Ryan W.

AU - Weiler, Emily C.

AU - Ward, Tony J.

PY - 2015/4/1

Y1 - 2015/4/1

N2 - Ambient particulate matter (PM) exposures have adverse impacts on public health, but research evaluating indoor PM concentrations in rural homes in the United States using wood as fuel for heating is limited. Our objectives were to characterize indoor PM mass and particle number concentrations (PNCs), quantify infiltration of outdoor PM into the indoor environment, and investigate potential predictors of concentrations and infiltration in 96 homes in the northwestern US and Alaska using wood stoves as the primary source of heating. During two forty-eight hour sampling periods during the pre-intervention winter of a randomized trial, we assessed PM mass (<2.5μm) and PNCs (particles/cm3) in six size fractions (0.30-0.49, 0.50-0.99, 1.00-2.49, 2.5-5.0, 5.0-10.0, 10.0+μm). Daily mean (sd) PM2.5 concentrations were 28.8 (28.5)μg/m3 during the first sampling period and 29.1 (30.1)μg/m3 during the second period. In repeated measures analyses, household income was inversely associated with PM2.5 and smaller size fraction PNCs, in particular. Time of day was a significant predictor of indoor and outdoor PM2.5 concentrations, and infiltration efficiency was relatively low (Finf (sd)=0.27 (0.20)). Our findings demonstrate relatively high mean PM concentrations in these wood burning homes and suggest potential targets for interventions for improving indoor air quality and health in rural settings.

AB - Ambient particulate matter (PM) exposures have adverse impacts on public health, but research evaluating indoor PM concentrations in rural homes in the United States using wood as fuel for heating is limited. Our objectives were to characterize indoor PM mass and particle number concentrations (PNCs), quantify infiltration of outdoor PM into the indoor environment, and investigate potential predictors of concentrations and infiltration in 96 homes in the northwestern US and Alaska using wood stoves as the primary source of heating. During two forty-eight hour sampling periods during the pre-intervention winter of a randomized trial, we assessed PM mass (<2.5μm) and PNCs (particles/cm3) in six size fractions (0.30-0.49, 0.50-0.99, 1.00-2.49, 2.5-5.0, 5.0-10.0, 10.0+μm). Daily mean (sd) PM2.5 concentrations were 28.8 (28.5)μg/m3 during the first sampling period and 29.1 (30.1)μg/m3 during the second period. In repeated measures analyses, household income was inversely associated with PM2.5 and smaller size fraction PNCs, in particular. Time of day was a significant predictor of indoor and outdoor PM2.5 concentrations, and infiltration efficiency was relatively low (Finf (sd)=0.27 (0.20)). Our findings demonstrate relatively high mean PM concentrations in these wood burning homes and suggest potential targets for interventions for improving indoor air quality and health in rural settings.

KW - Biomass combustion

KW - Indoor air quality

KW - Infiltration efficiency

KW - Particulate matter

KW - Wood stove

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JO - Environmental Research

JF - Environmental Research

ER -

Indoor particulate matter in rural, wood stove heated homes

Abstract

Funding

UN SDGs

Keywords

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