Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Identification of particulate matter determinants in residential homes
https://orcid.org/0000-0002-2962-7259
Abstract Particulate matter (PM) has well-known negative health effects on humans. PM exposure occurs mainly indoors because people spend most of their time inside buildings, especially in their homes. This study aimed at investigating the impact of the principal outdoor factors, house characteristics and indoor activities on size-fractionated PM concentrations in a real exposure scenario consisting of 60 living rooms in the province of Lodi (River Po Valley, Northern Italy), characterized by high pollution levels. Nearby road traffic played a pivotal role for all the studied fractions, with heavy duty vehicles affecting the coarser fractions especially when building density was lower. PM2.5–10 arose also from indoor determinants linked to cleaning activities and house occupancy and was inversely related with house volume. Statistical analysis showed that ambient PM10 was a reliable predictor of PM fractions <2.5 μm, but other indoor sources should be considered, such as ETS for PM0.5 and open fireplaces use for the PM0.5-1. Some protective factors were identified, such as the use of exhaust ventilation in kitchens (PM0.5–1) and sealed windows and doors (PM0.25). Some determinants were also season-related (open fireplaces use, floor level, built-on garages). In conclusion, the study provides an insight on the main PM determinants commonly present in residential environments. The results can be useful in addressing some self-corrected choices by home occupants and in developing meaningful risk mitigation strategies by local institutions.
Highlights PM determinants were of outdoor or indoor origin and activity-related. The proximity to heavily-trafficked roads affected all PM size-fraction levels. Contributions from different sources varied depending on the season. Some determinants of indoor PM could be effectively managed by occupants. Results will be useful in new building design improving indoor environmental quality.
Identification of particulate matter determinants in residential homes
https://orcid.org/0000-0002-2962-7259
Abstract Particulate matter (PM) has well-known negative health effects on humans. PM exposure occurs mainly indoors because people spend most of their time inside buildings, especially in their homes. This study aimed at investigating the impact of the principal outdoor factors, house characteristics and indoor activities on size-fractionated PM concentrations in a real exposure scenario consisting of 60 living rooms in the province of Lodi (River Po Valley, Northern Italy), characterized by high pollution levels. Nearby road traffic played a pivotal role for all the studied fractions, with heavy duty vehicles affecting the coarser fractions especially when building density was lower. PM2.5–10 arose also from indoor determinants linked to cleaning activities and house occupancy and was inversely related with house volume. Statistical analysis showed that ambient PM10 was a reliable predictor of PM fractions <2.5 μm, but other indoor sources should be considered, such as ETS for PM0.5 and open fireplaces use for the PM0.5-1. Some protective factors were identified, such as the use of exhaust ventilation in kitchens (PM0.5–1) and sealed windows and doors (PM0.25). Some determinants were also season-related (open fireplaces use, floor level, built-on garages). In conclusion, the study provides an insight on the main PM determinants commonly present in residential environments. The results can be useful in addressing some self-corrected choices by home occupants and in developing meaningful risk mitigation strategies by local institutions.
Highlights PM determinants were of outdoor or indoor origin and activity-related. The proximity to heavily-trafficked roads affected all PM size-fraction levels. Contributions from different sources varied depending on the season. Some determinants of indoor PM could be effectively managed by occupants. Results will be useful in new building design improving indoor environmental quality.
Identification of particulate matter determinants in residential homes
https://orcid.org/0000-0002-2962-7259
Abstract Particulate matter (PM) has well-known negative health effects on humans. PM exposure occurs mainly indoors because people spend most of their time inside buildings, especially in their homes. This study aimed at investigating the impact of the principal outdoor factors, house characteristics and indoor activities on size-fractionated PM concentrations in a real exposure scenario consisting of 60 living rooms in the province of Lodi (River Po Valley, Northern Italy), characterized by high pollution levels. Nearby road traffic played a pivotal role for all the studied fractions, with heavy duty vehicles affecting the coarser fractions especially when building density was lower. PM2.5–10 arose also from indoor determinants linked to cleaning activities and house occupancy and was inversely related with house volume. Statistical analysis showed that ambient PM10 was a reliable predictor of PM fractions <2.5 μm, but other indoor sources should be considered, such as ETS for PM0.5 and open fireplaces use for the PM0.5-1. Some protective factors were identified, such as the use of exhaust ventilation in kitchens (PM0.5–1) and sealed windows and doors (PM0.25). Some determinants were also season-related (open fireplaces use, floor level, built-on garages). In conclusion, the study provides an insight on the main PM determinants commonly present in residential environments. The results can be useful in addressing some self-corrected choices by home occupants and in developing meaningful risk mitigation strategies by local institutions.
Highlights PM determinants were of outdoor or indoor origin and activity-related. The proximity to heavily-trafficked roads affected all PM size-fraction levels. Contributions from different sources varied depending on the season. Some determinants of indoor PM could be effectively managed by occupants. Results will be useful in new building design improving indoor environmental quality.
Identification of particulate matter determinants in residential homes
Urso, Patrizia (Autor:in) / Cattaneo, Andrea (Autor:in) / Garramone, Gaetano (Autor:in) / Peruzzo, Carlo (Autor:in) / Cavallo, Domenico Maria (Autor:in) / Carrer, Paolo (Autor:in)
Building and Environment ; 86 ; 61-69
23.12.2014
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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