American Association for Aerosol Research - Abstract Submission

AAAR 32nd Annual Conference
September 30 - October 4, 2013
Oregon Convention Center
Portland, Oregon, USA

Aerosol Chemistry


A Dual-Chamber Enhancement (DUCE) Method for Quantifying Secondary Organic Aerosol from Biomass Burning Emissions. DANIEL S. TKACIK, Ellis Shipley Robinson, Rawad Saleh, Adam Ahern, Albert A. Presto, Ryan Sullivan, Neil Donahue, Allen Robinson, Carnegie Mellon University

A New Inlet for Simultaneous Gas and Particle Phase Measurements Coupled to a Chemical Ionization High-resolution Time-of-Flight Mass Spectrometer. CLAUDIA MOHR, Felipe Lopez-Hilfiker, Ben H. Lee, David S. Covert, Douglas Worsnop, Joel A. Thornton, University of Washington

A Systematic Evaluation of the Extent of Photochemical Processing in Different Types of Secondary Organic Aerosols. Dian Romonosky, Hyun Ji Lee, Scott A. Epstein, SERGEY NIZKORODOV, Julia Laskin, Alexander Laskin, University of California, Irvine

Adsorption-Based Chemical Thermodynamics of Atmospheric Aerosols: Towards Reduced Parameterization, Temperature Dependence, and Organic Solvents. CARI DUTCHER, Caitlin Asato, Anthony Wexler, Simon Clegg, University of California, Davis

Aerosol Optical Hygroscopicity Measurements during the 2010 CARES Campaign. Dean Atkinson, James Radney, JANELL LUM, Christopher Cappa, Katheryn Kolesar, Daniel Cziczo, Mikhail Pekour, Qi Zhang, Ari Setyan, Chen Song, Portland State University

Aerosol Phase Chemistry of Isoprene Derived Epoxides Evaluated Using Density Functional Theory. IVAN PILETIC, Edward Edney, Libero Bartolotti, U.S. Environmental Protection Agency

Alkane SOA Formation: Effect of Alkane Structure, NOx Conditions, Relative Humidity and Acidity. KATHERINE SCHILLING, Matthew Coggon, Jill Craven, Christine Loza, Tran Nguyen, Rebecca Schwantes, Lindsay Yee, Xuan Zhang, John Seinfeld, California Institute of Technology

Aqueous Photooxidation of Fresno, CA and Po Valley, Italy Fogs: Insights into Cloud Processing. JEFFREY R. KIRKLAND, Yong Lim, Stefano Decesari, M. Cristina Facchini, Jeffrey L. Collett, Jr., Barbara Turpin, Rutgers University

Aqueous Photooxidation of Water-Soluble Compounds in Po Valley, Italy during PEGASOS: Chemical Insights and Modeling. YONG LIM, Jeffrey R. Kirkland, Ron Lauck, Barbara Turpin, Rutgers University

Aqueous Reaction Rates of Hydroxyacetone with Ammonium Sulfate and Amines Measured by NMR as a Function of pH. MICHAEL SYMONS, Alyssa Rodriguez, Melissa Galloway, David De Haan, University of San Diego

Atmospheric Reactions between Glycolaldehyde, Formaldehyde, and Ammonium Sulfate: A Product Identification Study. MELISSA GALLOWAY, Alyssa Rodriguez, Jeremy Kua, Katherine Millage, David De Haan, University of San Diego

Characterization and Near-Field Evolution of Fine Particles Emitted by a Metallurgy Plant: Results of the NANO-INDUS Project. ARI SETYAN, Pascal Flament, Karine Deboudt, Nadine Locoge, Véronique Riffault, Laurent Alleman, Coralie Schoemaecker, Jovanna Arndt, Patrick Augustin, François Blond, Fabrice Cazier, Hervé Delbarre, Dorothée Dewaele, Pascale Dewalle, Marc Fourmentin, Paul Genevray, Robert Healy, Philippe Le Louer, Thierry Leonardis, Hélène Marris, Saliou Mbengue, Mickaël Starosta, John Wenger, Université du Littoral Côte d'Opale

Characterization of Chemical Composition of Fog Water and Interstitial Aerosol in the Central Valley of California: Influence of Aqueous Chemistry. HWAJIN KIM, Xinlei Ge, Jianzhong Xu, Yele Sun, Youliang Wang, Pierre Herckes, Qi Zhang, University of California, Davis

Characterization of Organic Aerosol from Mixed Biogenic / Anthropogenic Emissions. DHRUV MITROO, Brent Williams, Raul Martinez, Yaping Zhang, William Brune, Munkhbayar Baasandorj, Lu Hu, Dylan Millet, Washington University in St. Louis

Chemical Analysis of Organic Aerosols Using Reactive Nanospray Desorption Electrospray Ionization Mass Spectrometry. ALEXANDER LASKIN, Julia Laskin, Sergey Nizkorodov, Pacific Northwest National Laboratory

Chemical Characterization of Secondary Organic Aerosol by Atmospheric Solid Analysis Probe Mass Spectrometry (ASAP-MS). VERONIQUE PERRAUD, Carla Waring-Kidd, John Greaves, Barbara J. Finlayson-Pitts, University of California, Irvine

Chemical Composition, Sources and Processes of Urban Aerosols during Summertime in Northwest China: Insights from a High Resolution Time-of-Flight Aerosol Mass Spectrometer. JIANZHONG XU, Qi Zhang, Min Chen, Jiawen Ren, Dahe Qin, State Key Laboratory of Cryospheric Sciences, China

Chemistry of New Particle Growth Events in Mixed Biogenic and Urban Emissions - Results from the CARES 2010 Campaign. QI ZHANG, Ari Setyan, Maik Merkel, Berk Knighton, Cody Floerchinger, Scott Herndon, Timothy Onasch, Douglas Worsnop, Chen Song, John Shilling, Univeristy of California, Davis

Comparison of Gasoline and Diesel Vehicles - Emission Factors of Volatile Organic Compounds from EURO5 Diesel and Gasoline Vehicles and Their Potential Integrated Influence on Air Quality. STIG HELLEBUST, Brice Temime-Roussel, Amelie Bertrand, Stephen Platt, Imad El Haddad, Simone Pieber, Alessandro Zardini, Ricardo Suarez-Bertoa, Jay Slowik, Ru-Jin Huang, Covadonga Astorga, Andre Prévôt, Nicolas Marchand, Aix Marseille Université, Laboratoire Chimie Environnement

Constraining the Contribution of Organic Acids to Organic Aerosol Using MOVI-HRToF-CIMS and AMS data. LAXMINARASIMHA YATAVELLI, Harald Stark, Douglas Day, Samantha Thompson, Brett Palm, Pedro Campuzano-Jost, Joel Kimmel, Manjula Canagaratna, Michael Cubison, Joel Thornton, John Jayne, Douglas Worsnop, Jose-Luis Jimenez, University of Colorado, Boulder

Constraining the Range of Product Chemical Formulas, Volatilities, and Reaction Mechanisms of SOA-forming Reactions. JESSE KROLL, Kelly Daumit, James Hunter, Sean Kessler, MIT

Determination of Setschenow Constants of Organic Compounds in Ammonium Sulfate Solutions and the Salt Effect on Air-Water Partitioning. CHEN WANG, Ying Duan Lei, Frank Wania, University of Toronto

Effect of Humidity on Secondary Organic Aerosol (SOA) Formation from Biogenic Hydrocarbons and Nitrate Radicals. Nga Lee Ng, CHRISTOPHER BOYD, Lu Xu, Greg Huey, Xiaoxi Liu, Georgia Institute of Technology

Effect of Ozonolysis Chemistry on SOA Formation from Alkane Photooxidation. XUAN ZHANG, Katherine Schilling, Matthew Coggon, Rebecca Schwantes, Richard Flagan, John Seinfeld, California Institute of Technology

Effects of Acidity on the Chemical Composition of Secondary Aerosol from the Isoprene/NOx Photooxidation: Measurements Using an Aerosol Mass Spectrometer. KEI SATO, Akinori Takami, Takashi Imamura, Hong Li, Xuezhong Wang, National Institute for Environmental Studies

Evaporation Kinetics of Engine Lubricating Oil Aerosols at Near Ambient Conditions. Sara Jaber, Rawad Saleh, ALAN SHIHADEH, American University of Beirut

Evidence of the Secondary Origin of Nitrocatechols and Alkylated-Nitrocatechols in Atmospheric Aerosol Particles. Alexandre Sylvestre, Sylvain Ravier, Anaïs Detournay, Emily Bruns, Brice Temime-Roussel, Dogushan Kilic, Jay Slowik, Imad El Haddad, Stephen Platt, Andre Prévôt, NICOLAS MARCHAND, Aix Marseille Université, Laboratoire Chimie Environnement

Fluorescence, Photobleaching, and Molecular Level Analysis of Brown Carbon Aerosol. HYUN JI LEE, Paige Aiona, Sergey Nizkorodov, Alexander Laskin, Julia Laskin, University of California, Irvine

Formation and Aerosol Uptake of the Oxidation Products of Isoprene Nitrooxyhydroperoxide (a Product of Isoprene Nighttime Chemistry). REBECCA SCHWANTES, Tran Nguyen, Matthew Coggon, Katherine Schilling, Xuan Zhang, Paul Wennberg, John Seinfeld, Caltech

Formation and Aging of Secondary Organic Aerosol during the β-caryophyllene Oxidation. ANTONIOS TASOGLOU, Spyros Pandis, Carnegie Mellon University

Formation and Gas-Particle Partitioning of Organic Nitrates: Influence on Ozone Production. LEA HILDEBRANDT RUIZ, Jeffrey Bean, Greg Yarwood, Bonyoung Koo, Uarporn Nopmongcol, University of Texas at Austin

Functional Group Distributions in Photolytically Generated Organic Aerosol. Alicia Kalafut-Pettibone, Joseph Klems, W. SEAN MCGIVERN, National Institute of Standards and Technology

Gas and Particle Phase Chemical Composition of Marine Emissions from Mediterranean Seawaters: Primary Aerosol Particles and Formation of Secondary Organic Components. J. PEY, H. Langley DeWitt, Brice Temime-Roussel, A. Même, E. Sarrasin, C. Rose, E. Freney, M. Hervo, B. Charriere, R. Sempere, K. Sellegri, B. D'Anna, Nicolas Marchand, Aix-Marseille Université-CNRS, LCE FRE 3416

Gas-particle Partitioning of Atmospheric Aerosols: Interplay of Physical State, Non-ideal Mixing and Morphology. MANABU SHIRAIWA, Andreas Zuend, Allan Bertram, John Seinfeld, California Institue of Technology

Glyoxal in the Po Valley, Italy as a Tracer for Aqueous Aerosol Processing. KATE SKOG, Yong Lim, Amy P. Sullivan, Natasha Hodas, Barbara Turpin, Jeffrey L. Collett, Jr., Frank Keutsch, University of Wisconsin - Madison

Heterogeneous Reaction of SOA-Coated Ammonium Bisulfate Aerosol with Gas-phase Ammonia: Impact of SOA Diffusivity. SHOUMING ZHOU, Alex Tevlin, Jennifer Murphy, Jonathan Abbatt, University of Toronto

Hydrogen Peroxide Enhances the Heterogeneous Oxidation of Oxygenated Volatile Organic Compounds on Mineral Dust. Yue Zhao, ZHONGMING CHEN, Dao Huang, Peking University

Hydroxyl Radical Mediated Aging of Oxidized Dodecanoic Acid Particles. JOSEPH KLEMS, W. Sean McGivern, National Institute of Standards and Technology

Implications of Low Volatility SOA and Gas-Phase Fragmentation Reactions on SOA Loadings and their Spatial and Temporal Evolution in the Atmosphere. MANISHKUMAR SHRIVASTAVA, Alla Zelenyuk, Dan Imre, Richard Easter, Josef Beranek, Rahul Zaveri, Jerome Fast, Pacific Northwest National Laboratory

In-Situ Chemical Characterization of Sub-micron Organic Aerosols Using Direct Analysis in Real Time Mass Spectrometry (DART-MS): The Effect of Aerosol Size and Volatility. MAN NIN CHAN, Theodora Nah, Kevin Wilson, Lawrence Berkeley National Laboratory

Infrared Spectra of Individual Wavelength-Scale Particles: Spectral Challenges and Novel Techniques. ARUNA RAVI, Antriksh Luthra, James Coe, The Ohio State University

Insights into SOA Formation Chemistry from the Isolation of Individual Reactive Pathways. ANTHONY CARRASQUILLO, Kelsey Boulanger, James Hunter, Sean Kessler, Kelly Daumit, Jesse Kroll, MIT

Instantaneous Secondary Organic Aerosol Formation from M-xylene Photooxidation: Quantification of NOx and NO3 Radical Effects on SOA Yield. LIJIE LI, Ping Tang, Chia-Li Chen, Mary Kacarab, David R. Cocker III, University of California, Riverside

Investigating Chemical Variation in Particulate Matter during the Polarimetric Cloud Analysis and Seeding Test (POLCAST) 2012 Campaign in Grand Forks, North Dakota. RICHARD COCHRAN, Haewoo Jeong, David Delene, Alena Kubatova, University of North Dakota

Kinetics and pH Dependence of Aqueous-phase Reactions of Glycolaldehyde with Glycine, Ammonium Sulfate, and Methylamine. ALYSSA RODRIGUEZ, Michael Symons, Alexia De Loera, Melissa Galloway, David De Haan, University of San Diego

Liquid-liquid Phase Separation in Particles Containing Ammonium Sulfate, Ammonium Bisulfate, Ammonium Nitrate and Sodium Chloride Mixed with Organics. YUAN YOU, Jacqueline Yakobi-Hancock, Allan Bertram, University of British Columbia

Measurement of the Sensitivity of Biogenic SOA Formation under Ambient Conditions to Anthropogenic Factors Using a New Captive Aerosol Growth and Evolution Chamber System during the Southern Oxidant and Aerosol Study. Don Collins, NATHAN TAYLOR, Jill Matus, Carlos Antonietti, Chance Spencer, Robert Griffin, Yu Jun Leong, Basak Karakurt Cevik, Texas A&M University

Measurements of Organic Acids in Eastern U.S. Radiation Fogs. DEREK STRAUB, Susquehanna University

Mineral Dust Produces Visible Laser Induced Incandescence. TINGTING CAO, Lulu Ma, Jonathan E. Thompson, Texas Tech University

Model Evaluations of Heterogeneous Nitryl Chloride Production Sources during CalNex 2010. WAYNE CHANG, Nicole Riemer, University of Illinois at Urbana-Champaign

Modeling SOA Formation in Mixed Anthropogenic Biogenic Plumes. MANISHKUMAR SHRIVASTAVA, Jerome Fast, Alla Zelenyuk, John Shilling, Chen Song, Richard Easter, Qi Zhang, Rahul Zaveri, Ari Setyan, Pacific Northwest National Laboratory

Modelling the Water Uptake and Solubilities of Aminium Sulphate Salts. SIMON CLEGG, Chong Qiu, Renyi Zhang, University of California, Davis; University of East Anglia

Nanoparticle Growth and Salt Formation - a Modeling Study. TAINA YLI-JUUTI, Kelley C. Barsanti, Lea Hildebrandt Ruiz, Antti-Jussi Kieloaho, Ulla Makkonen, Tuukka Petäjä, Taina Ruuskanen, Markku Kulmala, Ilona Riipinen, University of Helsinki

New, Experimentally Based, Secondary Organic Aerosol Paradigm Removes Discrepancies between Models and Data. ALLA ZELENYUK, Dan Imre, ManishKumar Shrivastava, Evan Abramson, Lawrence Kleinman, Jerome Fast, Stephen Springston, Pacific Northwest National Laboratory

O3-initiated Heterogeneous Oxidation of Fatty Acids. Chunbo Leng, Guang Zeng, Hai Pham, Yunhong Zhang, YONG LIU, University of Colorado Denver

OH Initiated Heterogeneous Degradation of Organophosphorus Compounds. LIU YONGCHUN, Liggio John, Harner Tom, Jantunen Liisa, Shoeib Mahiba, Shao-Meng Li, Environment Canada

OH-initiated Heterogeneous Oxidation of Cholestane: A Model System for Understanding the Aging of Cyclic Alkane Aerosols. HAOFEI ZHANG, Chris Ruehl, Arthur Chan, Theodora Nah, David Worton, Gabriel Isaacman, Allen H. Goldstein, Kevin Wilson, Lawrence Berkeley National Laboratory

Organic Aerosol Mixing Observed By Single Particle Mass Spectrometry. ELLIS SHIPLEY ROBINSON, Rawad Saleh, Neil Donahue, Carnegie Mellon University

Partitioning of Inorganic Gases to Atmospheric Ice: Effects on CMAQ Predictions of Nitrogen and Sulfur Compounds. Brian Marmo, ANNMARIE CARLTON, Rutgers University

Phase Transitions and Phase Miscibility of Mixed Particles of Ammonium Sulfate, Toluene-Derived Secondary Organic Material, and Water. Mackenzie Smith, Yuan You, Mikinori Kuwata, Allan Bertram, SCOT MARTIN, Harvard University

Photolytic Processing of Organic Atmospheric Particulate Matter. SCOTT A. EPSTEIN, Mallory Hinks, Sergey Nizkorodov, University of California, Irvine

Quantification of Organosulfate Formation in the SOA with Preexisting Acidic Sulfate Aerosol. ROSS BEARDSLEY, Jiaying Li, Myoseon Jang, University of Florida

Quantification of the Carbonyl Group Contribution to Aqueous-Phase SOA Using Fourier Transform Infrared Spectroscopy. Kathryn George, Travis Ruthenburg, Jeremy Smith, Lu Yu, Cort Anastasio, Qi Zhang, ANN DILLNER, University of California, Davis

Quantification of the Catalytic Effect of Nitric Acid on Dehydration of Particulate Cyclic Hemiacetals. APRIL RANNEY, Paul Ziemann, UC Riverside

React or Evaporate? Atmospheric Aldehydes in Aqueous Droplets Containing Amines or Ammonium Sulfate. MICHELLE POWELSON, Melissa Galloway, David De Haan, University of San Diego

Reaction Pathways of Primary, Secondary and Tertiary Amines with Ozone, Hydroxyl Radical and Nitrate Radical. DEREK PRICE, Xiaochen Tang, David R. Cocker III, Kathleen Purvis-Roberts, Philip Silva, University of California, Riverside

Reactive Uptake and Aqueous Chemistry of Isoprene Epoxydiols (IEPOX) and Glycolaldehyde in Aerosol Liquid Water. TRAN NGUYEN, Matthew Coggon, Kelvin Bates, Rebecca Schwantes, Xuan Zhang, Katherine Schilling, Christine Loza, Richard Flagan, Paul Wennberg, John Seinfeld, California Institute of Technology

Reactivity of Water Soluble Organic Acids with Inorganic Particles Investigated by Micro-spectroscopy Analysis. BINGBING WANG, Steven Kelly, Rachel O'Brien, John Shilling, Alexei Tivanski, Ryan Moffet, Mary Gilles, Alexander Laskin, Pacific Northwest National Laboratory

Seasonal and Spatial Variability in Oxidative Potential of Quasi-Ultrafine Particles (PM0.25) and its Relation to Water Soluble Metals in the Los Angeles Metropolitan Area. ARIAN SAFFARI, Nancy Daher, Martin Shafer, James Schauer, Constantinos Sioutas, University of Southern California

Seasonal and Spatial Variation of Trace Elements and Metals in Quasi-Ultrafine (PM0.25) Particles in the Los Angeles Metropolitan Area and Characterization of Their Sources. ARIAN SAFFARI, Nancy Daher, Martin Shafer, James Schauer, Constantinos Sioutas, University of Southern California

Secondary Aerosol Production from Modern Diesel and Gasoline Light Duty Vehicles. Stephen Platt, Imad El Haddad, Simone Pieber, Alessandro Zardini, Ricardo Suarez-Bertoa, Jay Slowik, Ru-Jin Huang, Stig Hellebust, Brice Temime-Roussel, Nicolas Marchand, Luka Drinovec, Grisa Mocnik, Covadonga Astorga, Urs Baltensperger, ANDRE PRÉVÔT, Paul Scherrer Institute

Secondary Organic Aerosol Formation from Aromatic Compounds: Describe SOA Yield Using [OH]/[HO2] Ratio. Ping Tang, Shunsuke Nakao, Chia-Li Chen, DAVID R. COCKER III, University of California, Riverside

Secondary Organic Aerosol Formation from Glyoxal: Salting Behavior and Kinetics of SOA Formation and its Dependence on Aerosol Seed Composition. ELEANOR WAXMAN, Jay Slowik, Christopher Kampf, Rupert Holzinger, Josef Dommen, Andre Prévôt, Urs Baltensperger, Rainer Volkamer, University of Colorado

Secondary Organic Aerosol Formation from Naphthalene and Methylnaphthalene Photooxidation. CHIA-LI CHEN, Mary Kacarab, Ping Tang, David R. Cocker III, University of California, Riverside

Secondary Organic Aerosol Formation from Photo-oxidation of Evaporated Fuel: Experimental Results and Implications for Aerosol Formation from Combustion Emissions. SHANTANU JATHAR, Marissa Miracolo, Daniel S. Tkacik, Neil Donahue, Peter Adams, Allen Robinson, UC Davis

Secondary Organic Aerosol Oligomerization, Particle Viscosity, and the Trapping of Volatiles in the Aerosol Phase. DAVID DE HAAN, Melissa Galloway, Nahzaneen Sedehi, Jonathan Bartolomucci, University of San Diego

Secondary Organic Aerosol Produced from Aqueous Reaction of Phenols with an Organic Excited Triplet State and Hydroxyl Radical. JEREMY SMITH, Haley Kinney, Lu Yu, Kathryn George, Travis Ruthenburg, Ann Dillner, Qi Zhang, Cort Anastasio, University of California, Davis

Secondary Organic Aerosol Production from Pinanediol. PENGLIN YE, Neil Donahue, Carnegie Mellon University

Secondary Organic Material Formation from Isoprene Photooxidation Products Induced by Particle Phase Reactions. MIKINORI KUWATA, Yingjun Liu, Karena McKinney, Scot Martin, Harvard University

SimpleGAMMA: Reduced Mechanism for Aqueous Aerosol SOA Modeling. Joseph Woo, V. FAYE MCNEILL, Columbia University

Simulation of Isoprene SOA Formation Using UNIPAR: A Lumping Model Integrated with Explicit Gas Phase Kinetic Mechanisms and Aerosol Phase Reactions. ROSS BEARDSLEY, Yunseok Im, Myoseon Jang, University of Florida

Size Distribution Dynamics Reveal the Importance of Particle-Phase Chemistry in Organic Aerosol Formation. Manabu Shiraiwa, LINDSAY YEE, Katherine Schilling, Christine Loza, Jill Craven, Andreas Zuend, Paul Ziemann, John Seinfeld, California Institue of Technology

SOA Aging and Oligomer Content and their Effect on Volatility and Viscosity of SOA Particles Generated from Different Precursors. JACQUELINE WILSON, Alla Zelenyuk, Dan Imre, Josef Beranek, Pacific Northwest National Laboratory

SOA Yield from Ozonolysis of BVOC at Varying NO$_2 Concentrations. Danielle C Draper, Delphine Farmer, Yury Desyaterik, JULIANE L. FRY, Reed College

Spectro-microscopic Characterization of Physical Properties and Phase Separations in Individual Atmospheric Particles. RACHEL O'BRIEN, Bingbing Wang, Steven Kelly, Nils Lundt, Scott A. Epstein, Amanda MacMillan, Yuan You, Alexander Laskin, Sergey Nizkorodov, Allan Bertram, Ryan Moffet, Mary Gilles, LBNL and University of the Pacific

Spectro-microscopic Characterization of Physical Properties and Phase Separations in Individual Atmospheric Particles. RACHEL O'BRIEN, Bingbing Wang, Steven Kelly, Nils Lundt, Scott A. Epstein, Amanda MacMillan, Yuan You, Alexander Laskin, Sergey Nizkorodov, Allan Bertram, Ryan Moffet, Mary Gilles, LBNL and University of the Pacific

Stabilization of Sulfuric Acid Dimer Clusters by Various Basic Gases. COTY JEN, Peter McMurry, David Hanson, University of Minnesota

Synchrotron Studies of the Heterogeneous Oxidation of Organic Aerosols. MICHAEL WARD, Kevin Wilson, Lawrence Berkeley National Laboratory

Temperature Effects on Secondary Organic Aerosol Formation and its Properties. MARY KACARAB, Ping Tang, Lijie Li, Derek Price, David R. Cocker III, University of California, Riverside

The Acid-Dependent Hydrolysis of Organic Nitrates in the Aerosol Phase. JOEL RINDELAUB, Kevin McAvey, Paul Shepson, Purdue University

The Effect of Particle Size on Iron Solubility in Atmospheric Aerosols. AURELIE MARCOTTE, Brian Majestic, Ariel Anbar, Pierre Herckes, Arizona State University

The Effect of Relative Humidity (RH) on Sulfate Aerosol Optical Properties Using Cavity Ring-Down Spectroscopy. XIJING ZHU, Dean Atkinson, Portland State University

The Effects of Particle Size, Relative Humidity, and Sulfur Dioxide on Iron Solubility in Atmospheric Particulate Matter. BENTON CARTLEDGE, Brian Majestic, Aurelie Marcotte, Pierre Herckes, Ariel Anbar, University of Denver

The Heterogeneous Oxidation of Internally Mixed Primary and Secondary Organic Aerosol: A Case for the Importance of Secondary Chemistry. KATHERYN KOLESAR, Chris Ruehl, Gabriel Isaacman, Gina Buffaloe, Theodora Nah, Allen H. Goldstein, Kevin Wilson, Christopher Cappa, University of California, Davis

The Influence of Molecular Structure and Chemical Functionality on the Heterogeneous OH-initiated Oxidation of Unsaturated Organic Particles. THEODORA NAH, Sean Kessler, Kelly Daumit, Jesse Kroll, Stephen R. Leone, Kevin Wilson, University of California, Berkeley

The Optical Behavior of Soot as a Function of Relative Humidity. YIYI WEI, Qing Zhang, Jonathan E. Thompson, Texas Tech University

The Photolytic Processing of Organic Aerosols through Carbonyl Photochemistry. SANDRA BLAIR, Scott Esptein, Sergey Nizkorodov, University of California, Irvine

The Role of Hydration in Formation and Reactivity of Sulfuric Acid Clusters Containing Ammonia and Amines. JOSEPH DEPALMA, Douglas Doren, Murray Johnston, University of Delaware

TPD Aerosol-CIMS – Investigating the Volatility of Organic Salts. SILJA HÄKKINEN, Joseph Woo, Greg Drozd, V. Faye McNeill, Columbia University

Trends in PM2.5 Strong Acidity Across Canada between 1990 and 2010. JENNIFER MURPHY, Alex Tevlin, University of Toronto

Understanding Secondary Organic Aerosol Formation from Aqueous-phase Reactions of Phenolic Compounds. LU YU, Jeremy Smith, Alexander Laskin, Julia Laskin, Kathryn George, Cort Anastasio, Ann Dillner, Qi Zhang, University of California, Davis

Uptake of Organic Compounds from Ultra-Low Sulfur Diesel (ULSD) Exhaust onto Laboratory Generated Inorganic Seed Particles. ZAMIN KANJI, John Liggio, Katherine Hayden, Tak Chan, Marie-Josee Poitras, Shao-Meng Li, Environment Canada

Volatility-Resolved Measurements of the Amount and Oxidation State of Gas-Phase and Particulate Organic Compounds in a Forested Environment. JAMES HUNTER, Eben Cross, Anthony Carrasquillo, Patrick Hayes, Pedro Campuzano-Jost, Douglas Day, Brett Palm, LaxmiNarasimha Yatavelli, Harald Stark, Samantha Thompson, Jose-Luis Jimenez, Scott Herndon, Douglas Worsnop, Jesse Kroll, MIT