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Impact of wood combustion on indoor air quality

AuthorsVicente, E.D.; Vicente, A.M.; Evtyugina, M.; Oduber, F.I.; Amato, Fulvio ; Querol, Xavier ; Alves, C.
Issue Date2019
CitationScience of the Total Environment 705: 135769 (2019)
AbstractThe incomplete wood combustion in appliances operated in batch mode is a recognised source of both in- and outdoor airborne pollutants, especially particulate matter (PM). Data on pollutant levels and PM characteristics in households with wood burning devices in developed countries are scarce with most studies describing stove change out programmes or other intervention measures. The aim of the present study was to simultaneously evaluate indoor and outdoor concentrations of CO, CO and PM during the operation of wood burning appliances (open fireplace and woodstove) in unoccupied rural households. PM samples were analysed for water soluble inorganic ions, major and trace elements, organic carbon (OC), elemental carbon (EC), and detailed organic speciation. The CO 8-hour average concentrations did not exceed the protection limit despite the sharp increases observed in relation to background levels. During the open fireplace operation, PM levels rose up 12 times compared to background concentrations, while the airtight stove resulted in a 2-fold increase. The inhalation cancer risk of particulate bound PAHs in the room equipped with woodstove was estimated to be negligible while the long-term exposure to PAH levels measured in the fireplace room may contribute to the development of cancer. The excess lifetime cancer risk resulting from the particle-bound Cr(VI) exposure during the fireplace and woodstove operation was higher than 1.0 × 10 and 1.0 × 10, respectively. Levoglucosan was one of the most abundant individual species both indoors and outdoors. This study underlines air pollution hazards and risks arising from the operation of traditional wood burning appliances.
Publisher version (URL)http://dx.doi.org/10.1016/j.scitotenv.2019.135769
Identifiersdoi: 10.1016/j.scitotenv.2019.135769
issn: 1879-1026
Appears in Collections:(IDAEA) Artículos
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