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Colloquium

Department of Atmospheric Science

Tue., Apr. 24, 3:10 pm, EN6085

Deodorant, Cleaning Products, and the Virtue of Smelling Bad: Investigations into Emerging Sources of Air Pollution From Consumer Chemical Products

Dr. Matthew Coggon

NOAA/CIRES

Abstract

Over the past 50 years, urban air pollution due to vehicle emissions has steadily decreased at a rate of 7.5%/year. In the meantime, other sources of volatile organic compounds (VOCs) have largely remained unchanged. Now that cars are cleaner, it has been estimated that other sources of reactive carbon, such as personal care products, cleaning products, and solvents from paints, may contribute up to half of the VOC burden in urban areas. The VOCs emitted from these sources are highest in indoor environments, but once exhausted to the outdoors, are likely to contribute to the formation of ozone and secondary organic aerosol. Here, we present VOC measurements from ongoing field work aimed at understanding the chemical composition and diurnal emission patterns of consumer products. From these data, we will relate these emissions to those of other VOC sources, such as vehicle exhaust, and evaluate the potential for these sources to scale with population density.


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University of Wyoming,

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