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Abstract
This paper challenges the traditional assumption of well-mixed indoor air constituents by integrating advanced model simulations and extensive measurements of bleach cleaning. It reveals that inorganic chlorinated products like hypochlorous acid and chloramines exhibit spatial and vertical concentration gradients, with short-lived OH radicals confined to sunlit areas. These spatial and temporal scales are modulated by chemical reactions, surface interactions, and ventilation, offering crucial insights for assessing human exposure to hazardous pollutants and the transport of indoor chemicals outdoors.
Publisher
Communications Chemistry
Published On
Aug 12, 2021
Authors
Pascale S. J. Lakey, Youngbo Won, David Shaw, Freja F. Østerstrøm, James Mattila, Emily Reidy, Brandon Bottorff, Colleen Rosales, Chen Wang, Laura Ampollini, Shan Zhou, Atila Novoselac, Tara F. Kahan, Peter F. DeCarlo, Jonathan P. D. Abbatt, Philip S. Stevens, Delphine K. Farmer, Nicola Carslaw, Donghyun Rim, Manabu Shiraiwa
Tags
indoor air quality
pollutants
bleach cleaning
spatial gradients
chemical reactions
human exposure
ventilation

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