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Journal article
Spatial and temporal scales of variability for indoor air constituents
Communications chemistry, v 4(1), pp 1-7
12 Aug 2021
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Historically air constituents have been assumed to be well mixed in indoor environments, with single point measurements and box modeling representing a room or a house. Here we demonstrate that this fundamental assumption needs to be revisited through advanced model simulations and extensive measurements of bleach cleaning. We show that inorganic chlorinated products, such as hypochlorous acid and chloramines generated via multiphase reactions, exhibit spatial and vertical concentration gradients in a room, with short-lived .OH radicals confined to sunlit zones, close to windows. Spatial and temporal scales of indoor constituents are modulated by rates of chemical reactions, surface interactions and building ventilation, providing critical insights for better assessments of human exposure to hazardous pollutants, as well as the transport of indoor chemicals outdoors.
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Details
- Title
- Spatial and temporal scales of variability for indoor air constituents
- Creators
- Pascale S. J. Lakey - University of California, IrvineYoungbo Won - Pennsylvania State UniversityDavid Shaw - University of YorkFreja F. osterstrom - University of YorkJames Mattila - Colorado State UniversityEmily Reidy - Indiana UniversityBrandon Bottorff - Indiana UniversityColleen Rosales - Indiana UniversityChen Wang - University of TorontoLaura Ampollini - Drexel UniversityShan Zhou - Syracuse UniversityAtila Novoselac - The University of Texas at AustinTara F. Kahan - Syracuse UniversityPeter F. DeCarlo - Johns Hopkins UniversityJonathan P. D. Abbatt - University of TorontoPhilip S. Stevens - Indiana UniversityDelphine K. Farmer - Colorado State UniversityNicola Carslaw - University of YorkDonghyun Rim - Pennsylvania State UniversityManabu Shiraiwa - University of California, Irvine
- Publication Details
- Communications chemistry, v 4(1), pp 1-7
- Publisher
- NATURE PORTFOLIO
- Number of pages
- 7
- Grant note
- G-2020-13912; G-2019-12306; G-2019-12442; G2017-9944; G-2019-11404; G-2018-11062; G-2018-10083; G-2017-9796 / Alfred P. Sloan Foundation
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000685304400001
- Scopus ID
- 2-s2.0-85112729458
- Other Identifier
- 991019169580104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary