PMID: 18422037Apr 22, 2008Paper

Estimating the resuspension rate and residence time of indoor particles

Journal of the Air & Waste Management Association
Jing QianKathleen R Fowler

Abstract

Resuspension experiments were performed in a single-family residence. Resuspension by human activity was found to elevate the mass concentration of indoor particulate matter with an aerodynamic diameter less than 10 microm (PM10) an average of 2.5 times as high as the background level. As summarized from 14 experiments, the average estimated PM10 resuspension rate by a person walking on a carpeted floor was (1.4 +/- 0.6) x 10(-4) hr(-1). The estimated residence time for PM in the indoor air following resuspension was less than 2 hr for PM10 and less than 3 hr for 2-microm tracer particles. However, experimental results show that the 2-microm tracer particles stayed in the combined indoor air and surface compartments much longer (>19 days). Using a two-compartment model to simulate a regular deposition and resuspension cycle by normal human activity (e.g., walking and sitting on furniture), we estimated residence time for 2-microm conservative particulate pollutants to be more than 7 decades without vacuum cleaning, and months if vacuum cleaning was done once per week. This finding supports the observed long residence time of persistent organic pollutants in indoor environments. This study introduces a method to evaluate the par...Continue Reading

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Citations

Jul 27, 2012·Current Allergy and Asthma Reports·Euan Tovey, Andrea Ferro
Nov 21, 2009·Environmental Science & Technology·David W Layton, Paloma I Beamer
Apr 25, 2012·PloS One·Denina HospodskyJordan Peccia
Aug 23, 2011·The Journal of Allergy and Clinical Immunology·Euan R Tovey, Guy B Marks
May 15, 2015·Journal of Exposure Science & Environmental Epidemiology·Lisa BramwellAndrea R Ferro
May 12, 2016·Journal of Exposure Science & Environmental Epidemiology·Jessica A SagonaGediminas Mainelis
Dec 19, 2012·Environmental Science & Technology·Hyeong-Moo ShinDeborah H Bennett
Jan 25, 2017·The Science of the Total Environment·Parichehr SalimifardJames D Freihaut
Dec 29, 2017·Journal of Occupational and Environmental Hygiene·Roger D LewisMichael Elliot
Jun 13, 2018·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·Teun van Dillen, Arjan van Dijk
May 28, 2019·Indoor Air·Hau Him LeeChristopher Y H Chao
Sep 29, 2019·Occupational and Environmental Medicine·Noa OphirElizabeth Fireman
Oct 20, 2018·Microbiome·Ashkaan K FahimipourKevin Van Den Wymelenberg
Jan 16, 2021·Environmental Science & Technology·Tianren WuBrandon E Boor
Nov 20, 2020·Microorganisms·Carla ViegasCélia Alves
Jan 30, 2021·Scientific Reports·Norefrina Shafinaz Md NorMohd Shahrul Mohd Nadzir
Oct 13, 2020·The World Allergy Organization Journal·Philip W RouadiJean Bousquet
Apr 4, 2021·International Journal of Environmental Research and Public Health·Sunghee ChoMinjeong Kim
Aug 22, 2021·Science Advances·Kenneth T GillinghamDrew R Gentner

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