Characterizing health impacts from indoor and outdoor exposure to fine particulates

Bruce Vigon, Peter Fantke, Thomas E McKone, Olivier Jolliet

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    Abstract

    Exposure to fine particulate matter (PM2.5) pollution is a major contributor
    to human disease burden as continuously shown in the Global Burden of Disease study series. Exposures to PM2.5 concentration outdoors and indoors contribute almost equally to this burden. Despite the importance, health impacts from exposure to PM2.5 are often excluded from life cycle impact
    assessment (LCIA) characterization profiles. This is in large part because
    of the lack of well-vetted harmonized guidance about how to consistently assess the exposures and impacts of indoor and outdoor emissions of PM2.5
    and its precursors. We present a framework for calculating characterization factors for indoor and outdoor emissions of primary
    PM2.5 and secondary PM2.5 precursors, and a roadmap for further
    refining this modelling framework for operational use in LCIA. The framework was developed over the last three years by a task force
    convened under SETAC/UNEP auspices.
    A recent SETAC Pellston Workshop® was convened to formalize guidance
    and methods for estimating the health impacts associated with PM2.5 exposure and to recommend PM2.5 characterization factors for application in life cycle assessment. The framework involves three stages–analyzing PM2.5
    fate and exposure (including indoor and outdoor urban/rural nvironments), modeling exposure-response, and the integration of exposure-response and PM2.5 exposure reflecting population and location characteristics. Our exposure model is organized as a mass balance matrix
    that tracks the global fate of primary PM2.5 and secondary PM2.5 precursor emissions (both indoors and outdoors) as an embedded system of ompartments including urban environments, rural environments, and indoor environments within urban and rural areas. After presenting the model structure, we will review initial results and will present geographic variability, discuss key uncertainties, and evaluate our model using results from other models and concentration measurements.
    Original languageEnglish
    Title of host publicationSociety of Environmental Toxicology and chemistry Asia/Pacific 2016 Conference
    Publication date2016
    Publication statusPublished - 2016
    EventSociety of Environmental Toxicology and chemistry Asia/Pacific 2016 Conference - Singapore, Singapore
    Duration: 16 Sep 201619 Sep 2016

    Conference

    ConferenceSociety of Environmental Toxicology and chemistry Asia/Pacific 2016 Conference
    CountrySingapore
    CitySingapore
    Period16/09/201619/09/2016

    Cite this

    Vigon, B., Fantke, P., McKone, T. E., & Jolliet, O. (2016). Characterizing health impacts from indoor and outdoor exposure to fine particulates. In Society of Environmental Toxicology and chemistry Asia/Pacific 2016 Conference