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  • Title: Wood stove effects on indoor air quality in Brazilian homes: carcinogens, suspended particulate matter, and nitrogen dioxide analysis.
    Author: Hamada GS, Kowalski LP, Murata Y, Matsushita H, Matsuki H.
    Journal: Tokai J Exp Clin Med; 1992 Oct; 17(3-4):145-53. PubMed ID: 1300673.
    Abstract:
    The effects of wood burning stoves on indoor air quality was investigated in a rural community of southern Brazil, during the winter season of 1991. The concentrations of polycyclic aromatic hydrocarbons (PAHs), nitrogen dioxide (NO2) and suspended particulate matter (SPM) were assessed in houses with wood stoves and the results compared with levels found in houses with gas stoves. Strikingly higher (p < 0.01) levels of PAHs, and much higher (p = 0.07) levels of SPM were found in the kitchens with wood stoves. In contrast, NO2 concentrations in the kitchen as well in personal exposure, were found to be slightly higher in houses with gas stoves. All these differences were minimally affected by smoking, outdoor air pollution or other emissions from indoor combustion products. These findings appear to support the hypothesis that domestic wood burning stoves are risk factors for some upper digestive and respiratory tract cancers in Brazil.
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