Limited retention of wildfire‐derived PAHs and trace elements in indoor environments

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http://hdl.handle.net/10138/299351

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Kohl , L , Meng , M , de Vera , J , Bergquist , B , Cooke , C A , Hustings , S , Jackson , B , Chow , C-W & Chan , A W H 2019 , ' Limited retention of wildfire‐derived PAHs and trace elements in indoor environments ' , Geophysical Research Letters , vol. 46 , no. 1 , pp. 383-391 . https://doi.org/10.1029/2018GL080473

Title: Limited retention of wildfire‐derived PAHs and trace elements in indoor environments
Author: Kohl, Lukas; Meng, Meng; de Vera, Joan; Bergquist, Bridget; Cooke, Colin A.; Hustings, Sarah; Jackson, Brian; Chow, Chung-Wai; Chan, Arthur W. H.
Contributor organization: Department of Agricultural Sciences
Date: 2019-01
Language: eng
Number of pages: 9
Belongs to series: Geophysical Research Letters
ISSN: 0094-8276
DOI: https://doi.org/10.1029/2018GL080473
URI: http://hdl.handle.net/10138/299351
Abstract: Wildfires are increasing in prevalence and intensity and emit large quantities of persistent organic and inorganic pollutants. Recent fires have caused elevated concerns that residual pollutants in indoor environments pose a long‐term health hazard to residents, however, to date no studies have investigated how long fire‐derived pollutants are retained in indoor environments. We quantified polycyclic aromatic hydrocarbons (PAHs) and toxic trace elements in ground ashes from the 2016 wildland‐urban interface fires in Fort McMurray (Alberta, Canada) and in house dust from 64 homes. We document residual arsenic pollution from local building fires, but found no evidence that forest fire ash remained in households 14 months after the fire. Overall, house dust pollutant concentrations were equal or lower than in other locations unaffected by wildfires. Given the current and future concerns over wildfire impacts, this study provides importance evidence on the degree of their long‐term effects on the residential environment.
Subject: wildfire
polycyclic aromatic hydrocarbons
PAH
trace elements
indoor pollution
arsenic
POLYCYCLIC AROMATIC-HYDROCARBONS
SETTLED HOUSE-DUST
MERCURY MOBILIZATION
AIR-POLLUTION
WESTERN US
FIRE
SMOKE
CADMIUM
IMPACTS
COPPER
116 Chemical sciences
1172 Environmental sciences
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: acceptedVersion


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