1. Atmospheric aerosols and their importance / Raghava R. Kommalapati and Kalliat T. Valsaraj -- 2. role of morphology on aerosol particle reactivity / Eva R. Garland, Elias P. Rosen and Tomas Baer -- 3. characteristics and the cytotoxic effects of particulate matter in the ambient air of the Chiang Mai-Lamphun Basin in northern Thailand / Narongpan Chunram, Usanaee Vinitketkumnuen, Richard L. Deming and Richard M. Kamens -- 4. Toluene decomposition on water droplets in corona discharge / Ying Kang and Zucheng Wu -- 5. Surface activity of perfluorinated compounds at the air-water interface / Nabilah Rontu and Veronica Vaida -- 6. Atmospheric chemistry of urban surface films / D.J. Donaldson, T.F. Kahan, N.-O.A. Kwamena, S.R. Handley and C. Barbier -- 7. Photochemistry of secondary organic aerosol formed from oxidation of monoterpenes / Stephen A. Mang, Maggie L. Walser, Xiang Pan, Jia-Hua Xing, Adam P. Bateman, Joelle S. Underwood, Anthony L. Gomez, Jiho Park and Sergey A. Nizkorodov -- 8. Effect of highly concentrated dry (NH[subscript 4])[subscript 2]SO[subscript 4] seed aerosols on ozone and secondary organic aerosol formation in aromatic hydrocarbon/NO[subscript 1] photooxidation systems / Zifeng Lu, Jiming Hao, Junhua Li and Hideto Takekawa -- 9. Adsorption and UV photooxidation of gas-phase phenanthrene on atmospheric films / Jing Chen, Franz S. Ehrenhauser, Kalliat T. Valsaraj and Mary J. Wornat -- 10. Understanding climatic effects of aerosols : modeling radiative effects of aerosols / Tarek Ayash, Sunling Gong and Charles Q. Jia -- 11. Environmental effects to residential New Orleans following Hurricane Katrina : indoor sediment as well as vapor-phase and aerosolized contaminents / Nicholas A. Ashley, Kalliat T. Valsaraj and Louis J. Thibodeaux.