Emerging developments in the standardized chemical characterization of indoor air quality

Sascha Nehr, Elisabeth Hösen, Shinichi Tanabe

    Research output: Contribution to journalShort survey

    5 Citations (Scopus)

    Abstract

    Despite the fact that the special characteristics of indoor air pollution make closed environments quite different from outdoor environments, the conceptual ideas for assessing air quality indoors and outdoors are similar. Therefore, the elaboration of International Standards for air quality characterization in view of controlling indoor air quality should resort to this common basis. In this short review we describe the possibilities of standardization of tools dedicated to indoor air quality characterization with a focus on the tools permitting to study the indoor air chemistry. The link between indoor exposure and health as well as the critical processes driving the indoor air quality are introduced. Available International Standards for the assessment of indoor air quality are depicted. The standards comprise requirements for the sampling on site, the analytical procedures, and the determination of material emissions. To date, these standardized procedures assure that indoor air, settled dust and material samples are analyzed in a comparable manner. However, existing International Standards exclusively specify conventional, event-driven target-screening using discontinuous measurement methods for long-lived pollutants. Therefore, this review draws a parallel between physico-chemical processes in indoor and outdoor environments. The achievements in atmospheric sciences also improve our understanding of indoor environments. The community of atmospheric scientists can be both ideal and supporter for researchers in the area of indoor air quality characterization. This short review concludes with propositions for future standardization activities for the chemical characterization of indoor air quality. Future standardization efforts should focus on: (i) the elaboration of standardized measurement methods and measurement strategies for online monitoring of long-lived and short-lived pollutants, (ii) the assessment of the potential and the limitations of non-target screening, (iii) the paradigm shift from event-driven investigations to systematic approaches to characterize indoor environments, and (iv) the development of tools for policy implementation.

    Original languageEnglish
    Pages (from-to)233-237
    Number of pages5
    JournalEnvironment International
    Volume98
    DOIs
    Publication statusPublished - 2017 Jan 1

    Fingerprint

    indoor air
    air quality
    standardization
    measurement method
    policy implementation
    paradigm shift
    chemical
    pollutant
    chemical process
    dust
    sampling
    monitoring

    Keywords

    • Indoor air chemistry
    • Indoor air quality
    • Indoor air quality management
    • Non-target-screening
    • Online-measurement

    ASJC Scopus subject areas

    • Environmental Science(all)

    Cite this

    Emerging developments in the standardized chemical characterization of indoor air quality. / Nehr, Sascha; Hösen, Elisabeth; Tanabe, Shinichi.

    In: Environment International, Vol. 98, 01.01.2017, p. 233-237.

    Research output: Contribution to journalShort survey

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