Particles found in the indoor environment have very different compositions, sizes and shapes due to a multitude of sources, e.g. sources are cooking, smoking and candle burning. Resuspension of dust from the floor can also be a major source of airborne particles and may happen as a result of simple indoor activities such as walking. Floor dust is also complex in nature as it is composed of a variety of elements such as human skin scales, soil, and textile fibers and may also contain house dust mites and bacteria.
Dust also acts as a major sink for industrial chemicals emitted to the air from building materials, furniture, and articles or emitted from indoor activities such as cleaning. Human skin scales and textile fibers are also emitted directly to the air from people, animals or their activities. Up to 50% of the particles found in the air outside buildings may infiltrate the building together with reactive gasses including ozone. Once ozone has infiltrated a building, it may react with high indoor concentrations of volatile organic carbon compounds, like terpenes, to form various products that may lead to the formation of secondary organic aerosols.
At the meeting, results from a number of studies of physicochemical characteristics of indoor and outdoor particles and their toxicity will be presented.
Read the full program in the pdf below.
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