RGE OF INHALER AND NEBULISER DOSES, PIRITA MIKKANEN, Mikko Moisio, Dekati Ltd. Jyrki Ristimäki, Topi Rönkkö, Jorma Keskinen, Tampere University of Technology, Institute of Physics/Aerosol Physics.

3A2 TARGETED AEROSOL DRUG DELIVERY: IMAGINATIONS AND POSSIBILITIES, Zongqin Zhang, University of Rhode Island.

3A3 INVESTIGATING REDUCED DRUG DELIVERY FROM METERED-DOSE INHALERS DURING MECHANICAL VENTILATION, ANDREW R. MARTIN, Warren H. Finlay, Daniel Y. Kwok, University of Alberta, Edmonton, AB, Canada.

3A4 CASCADE IMPACTION COMBINED WITH RAMAN SPECTROSCOPY PROVES CHEMICAL HOMOGENEITY OF SPRAY DRIED AEROSOLS FOR PULMONARY DRUG DELIVERY, JENIFER LOBO, Reinhard Vehring, Nektar Therapeutics, San Carlos, CA..

3PA POSTER PREVIEW, This session ends with a brief presentation of posters from Session 3PA(one minute each)..

2:00 PM – 3:30 PM

3B. Aerosol Sampling Techniques

3B1 COLLIMATED PARTICLE BEAM PRODUCTION USING SLITS, Ravi Sankar Chavali, Goodarz Ahmadi, Suresh Dhaniyala , Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam,NY.

3B2 EXPERIMENTAL OBSERVATIONS OF PARTICLE FOCUSING IN AN OFVC-IMPACTOR, DANIEL RADER, Sandia National Laboratories, Albuquerque, NM.

3B3 A NEW AEROSOL MINI-CONCENTRATOR FOR USE IN CONJUNCTION WITH LOW FLOW-RATE CONTINUOUS AEROSOL INSTRUMENTATION, PHILIP FINE, Harish Phuleria, Subhasis Biswas, Michael Geller, Constantinos Sioutas, University of Southern California, Los Angeles, CA.

3B4 A COMPARATIVE STUDY OF AIRBORNE AEROSOL SAMPLE INLET PERFORMANCE, DAVID C. ROGERS, Allen Schanot, National Center for Atmospheric Research, Research Aviation Facility, Boulder, CO; Peter Liu, Jefferson R. Snider, University of Wyoming, Dept. Atmospheric Science, Laramie, WY.

3PB POSTER PREVIEW, This session ends with a brief presentation of posters from Session 3PB(one minute each)..

2:00 PM – 3:30 PM

3C. Vehicular Exhaust and PM Analyzers

3C1 PERFORMANCE OF AN ENGINE EXHAUST PARTICLE SIZER SPECTROMETER, ROBERT CALDOW, Jeremy J. Kolb, Larry S. Berkner, TSI Incorporated, 500 Cardigan Road, Shoreview, MN 55126-3996; Aadu Mirme, University of Tartu, Tähe 4, 51010 Tartu, Estonia.

3C2 ON-ROAD MEASUREMENT OF AUTOMOTIVE PM EMISSIONS WITH IN-PLUME AND CROSS-PLUME SYSTEMS, CLAUDIO MAZZOLENI, Hampden Kuhns, Hans Moosmüller, Nicholas Nussbaum, Oliver Chang, Djordje Nikolic, Peter Barber, Robert Keislar, and John Watson, Desert Research Institute, University of Nevada System, Reno, NV.

3C3 A CONTINUOUS MONITOR FOR THE DETERMINATION OF NONVOLATILE AND VOLATILE AMBIENT PARTICLE MASS, HARVEY PATASHNICK, Michael B. Meyer, Rupprecht & Patashnick Co., Inc., East Greenbush, NY.

3C4 CONTINUOUS VOLATILE FRACTION MEASUREMENT IN PM10 AND PM2.5, Thomas Petry, Hans Grimm, GRIMM Aerosol Technik GmbH & Co. KG, Ainring, Germany; Matthias Richter, GIP Messinstrumente, Pouch, Germany; Gerald Schindler, Leibniz-Institut für Troposphärenforschung e.V., Leipzig, Germany;.

3PC POSTER PREVIEW, This session ends with a brief presentation of posters from Session 3PC(one minute each)..

2:00 PM – 3:30 PM

3D. Special Symposium:  Aerosols and Climate Change/Indirect Effects, Aerosol Optical Properties

3D1 STUDIES OF AEROSOL PHYSICAL PROPERTIES IN THE ARCTIC REGION OF SPITSBERGEN, TYMON ZIELINSKI Institute of Oceanology, Polish Academy of Sciences Powstańców Warszawy 55, 81-712 Sopot, Poland.

3D2 DIRECT AND INDIRECT FORCING BY ANTHROPOGENIC AEROSOLS IN THE, GRACIELA RAGA Darrel Baumgardner Jose Carlos Jimenez.

3D3 HYGROSCOPICITY AND OPTICAL PROPERTIES OF ORGANIC-SEA-SALT INTERNAL MIXTURES AND THEIR CONSEQUENCES FOR CLIMATE, C. A. RANDLES, *Atmospheric and Oceanic Sciences Program Princeton University, Princeton, NJ; V. Ramaswamy*, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ; L. M. Russell, Scripps Institution of Oceanography University of California San Diego, La Jolla, CA.

3D4 MEASUREMENTS OF THE INDIRECT EFFECT OF AEROSOL PARTICLES ON STRATIFORM CLOUDS, CYNTHIA TWOHY, William Tahnk, Oregon State University, Corvallis, OR; Markus Petters, Jefferson Snider, University of Wyoming, Laramie, WY; Bjorn Stevens, University of California, Los Angeles, CA; Melanie Wetzel, Desert Research Institute, Reno, NV; Lynn Russell, Scripps Institute of Oceanography, La Jolla, CA; Jean-Louis Brenguier, Meteo-France, Toulouse, France.

3PD POSTER PREVIEW, This session ends with a brief presentation of posters from Session 3PD(one minute each)..

2:00 PM – 3:30 PM

3E. Particle Transport

3E1 THERMOPHORETIC FORCE AND VELOCITY OF NANOPARTICLES IN FREE MOLECULE REGIME, ZHIGANG LI, Hai Wang, Department of Mechanical Engineering, University of Delaware, DE.

3E2 SLIP CORRECTION MEASUREMENTS OF CERTIFIED PSL NANPARTICLES USING A NANO-DMA FOR KNUDSEN NUMBER FROM 0.5 TO 83, JUNG KIM, David Pui, University of Minnesota, Minneapolis, MN; George Mulholland, National Institute of Standards and Technology, Gaithersburg, MD.

3E3