Volatile organic compounds in 169 energy-efficient dwellings in Switzerland.

ABSTRACT: Exposure to elevated levels of certain volatile organic compounds (VOCs) in households has been linked to deleterious health effects. This study presents the first large-scale investigation of VOC levels in 169 energy-efficient dwellings in Switzerland. Through a combination of physical measurements and questionnaire surveys, we investigated the influence of diverse building characteristics on indoor VOCs. Among 74 detected compounds, carbonyls, alkanes, and alkenes were the most abundant. Median concentration levels of formaldehyde (14 μg/m3 ), TVOC (212 μg/m3 ), benzene (<0.1 μg/m3 ), and toluene (22 μg/m3 ) were below the upper exposure limits. Nonetheless, 90% and 50% of dwellings exceeded the chronic exposure limits for formaldehyde (9 μg/m3 ) and TVOC (200 μg/m3 ), respectively. Ther

SUBMITTER: Yang S 

PROVIDER: S-EPMC7216845 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature