Source Emissions and Transport

Source Emissions and Transport

ETA investigators conduct research to characterize and better understand the sources of airborne volatile, semi-volatile and particulate organic pollutants in the indoor environment. This research includes studies of the physical and chemical processes that govern indoor air pollutant concentrations and exposures, with a goal of contributing to the reduction of potential human health effects.

ETA has characterized the multiple sources (such as carpet, furnishings and building materials) that contribute to indoor pollutant levels of carbon monoxide, nitrogen oxides (NOx), particulate matter and volatile organic compounds (VOCs), as well as the various methods implemented to control those levels. It also has characterized pollutants from cooking, smoking, and the use of air fresheners and cleaners, and their reaction with indoor ozone, leading to the formation of ultrafine particles and volatile aldehydes.

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