American Association for Aerosol Research - Abstract Submission

AAAR 39th Annual Conference
October 18 - October 22, 2021

Virtual Conference

Monday     -     Tuesday     -     Wednesday     -     Thursday     -     Friday


Monday

Monday 8:00 AM - 9:15 AM
Plenary I: ASEEP Lecture



8:00
  		 Welcoming Remarks Chris Hogan, Conference Chair, University of Minnesota

8:05
  		 ASEEP Lecture: Tiny Critters, Huge Impacts: Ocean Microbes, Climate, and Health Kimberly Prather, University of California, San Diego


  		 Moderator Susanne Hering, Aerosol Dynamics

9:05
  		 AAAR Fellows, Hering Award Sheryl Ehrman, Awards Committee Chair, San Jose State University

Monday 9:30 AM - 10:30 AM
Session 1: Platform



1AC AEROSOL CHEMISTRY I
Qi Zhang and Paul Ziemann, chairs

1AC.1  
9:30		 Viscosity and Chemical Composition of Secondary Organic Aerosol from Real Healthy and Stressed Canary Island Pine Trees. NATALIE R. SMITH, Giuseppe Crescenzo, Anusha P.S. Hettiyadura, Kyla Siemens, Ying Li, Celia Faiola, Alexander Laskin, Manabu Shiraiwa, Allan Bertram, Sergey Nizkorodov, University of California, Irvine

1AC.2  
9:30		 Morphology and Viscosity Changes after Reactive Uptake of Isoprene Epoxydiols in Submicrometer Phase Separated Particles with Secondary Organic Aerosol Formed from Different Volatile Organic Compounds. ANDREW AULT, Ziying Lei, Nicole Olson, Yue Zhang, Yuzhi Chen, Andrew Lambe, Jing Zhang, Natalie White, Joanna Atkin, Mark Banaszak Holl, Zhenfa Zhang, Avram Gold, Jason Surratt, University of Michigan

1AC.3  
9:30		 Exploring Supramolecular Effects on the Viscosity and Phase State of Aqueous Organic-Inorganic Aerosols. RYAN DAVIS, Erik Huynh, Josefina Hajek-Herrera, Trinity University

1AC.4  
9:45		 The Impacts of Aerosol Mixing State on N2O5 Uptake Coefficient. YICEN LIU, Yu Yao, Jeffrey H. Curtis, Matthew West, Nicole Riemer, University of Illinois at Urbana-Champaign

1AC.5  
9:45		 Experimental Investigation of the Gas- and Particle-Phase Products and Mechanism of NO3 Radical Oxidation of Δ-3-Carene, α-Pinene, and Limonene. MARLA DEVAULT, Paul Ziemann, University of Colorado

1AC.6  
9:45		 Influence of Continuous NOX Injection on SOA Yield from Biogenic Precursors: Comprehensive Branching Ratio Study. SAHAR GHADIMI, David Cocker, University of California, Riverside

1AC.7  
10:00		 Hygroscopic Growth and Water Transport in Mixed Organic-Inorganic Aerosol Particles. JAMES F. DAVIES, Jack Choczynski, Ravleen Kaur Kohli, Craig Sheldon, Chelsea Price, University of California, Riverside

1AC.9  
10:00		 Aqueous Phase Photochemical Transformations of Phenolic SOA: Comparisons between OH Radical and Triplet Carbon Oxidation. CHRISTOPHER NIEDEK, Wenqing Jiang, Ryan Farley, Lan Ma, Stephanie Arciva, Cort Anastasio, Qi Zhang, University of California, Davis

1AC.11  
10:15		 Pressure Implication in Atmospheric Aerosols: Rate Constant and Product Formation. CLÉMENT DUBOIS, Sebastien Perrier, Yinon Rudich, Sergey Nizkorodov, Frédéric Caupin, Thorsten Hoffmann, Chrisitan George, Matthieu Riva, CNRS-IRCELYON

1AC.12  
10:15		 State of Air Pollution and Its Health Effects on Human Health - A Case Study of Karachi, Pakistan. KAMRAN KHAN, Saiyada Masood, Sumayya Saied, Azhar Siddique, Mirza M. Hussain, Haider Khwaja, University of Karachi, Pakistan

1AE AEROSOL EXPOSURE I
Keith Bein and Xiaoyu Liu, chairs

1AE.1  
9:30		 Laboratory Evaluation of Low-cost Optical Particle Counters for Environmental and Occupational Exposures. SINAN SOUSAN, Swastika Regmi, Yoo Min Park, East Carolina University

1AE.2  
9:30		 Investigation into the Pulmonary Health Effects of Dust and Sea Spray Aerosol from the Salton Sea on Mice using Whole Body Exposure Chamber. QI LI, Ryan Drover, Trevor Biddle, Mia Rose Maltz, David Lo, David R. Cocker III, University of California, Riverside

1AE.3  
9:30		 Openly Accessible Low-Cost Measurements for PM2.5 Exposure Modeling: Guidance for Monitor Deployment with a Similarity Metric. JIANZHAO BI, Nancy Carmona, Magali Blanco, Amanda Gassett, Edmund Seto, Adam Szpiro, Timothy Larson, Paul Sampson, Joel Kaufman, Lianne Sheppard, University of Washington

1AE.4  
9:45		 Emulating Chronic Near-Roadway Exposures for Studying Alzheimer's Disease. KEITH BEIN, Kelley Patten, Anthony Valenzuela, Christopher Wallis, Elizabeth Berg, Jill Silverman, Anthony S. Wexler, Pamela Lein, University of California, Davis

1AE.5  
9:45		 Source-Resolved Variability of Fine Particulate Matter and Human Exposure in an Urban Area. BRIAN DINKELACKER, Pablo Garcia, Iannis Kioutsioukis, Peter Adams, Spyros Pandis, Carnegie Mellon University

1AE.7  
10:00		 The Impact of Vegetated and Non-vegetated Roadway Barriers on Particle Concentrations and Toxicity. ROBY GREENWALD, Christina Fuller, Christa Wright, Haris Bejdic, Georgia State University

1AE.8  
10:00		 High-Resolution Social Cost Modeling Offers Insight into Efficiency-Equity Trade-Offs in Pollution Mitigation Strategies. BRIAN GENTRY, Allen Robinson, Peter Adams, Carnegie Mellon University

1AE.9  
10:00		 Global Air Quality and Human Health Effects of Solid Biofuel Stove Emissions. YAOXIAN HUANG, Debatosh Partha, Kandice Harper, Chris Heyes, Wayne State University

1AE.10  
10:15		 Investigation of Protection Efficiency for Masks Commonly Used for Ultrafine Particles and Their Effects on Aerosol Respiratory Deposition. JINHO LEE, Wei-Chung Su, University of Texas Health Science Center at Houston

1AE.11  
10:15		 Morphometric Study of Varied Particle Size Fractions in Different Socio-Economic Urban Microenvironments of Northern India. HIMANSHI ROHRA, Atar Singh Pipal, Ajay Taneja, Gursumeeran Satsangi, Savitribai Phule Pune University, Pune, India

1CO COMBUSTION I
Erica Belmont and Somesh Roy, chairs

1CO.1  
9:30		 Ice Nucleation on Soot Particles: Measurements, Predictions and Implications. FABIAN MAHRT, Bernd Kärcher, Claudia Marcolli, University of British Columbia

1CO.2  
9:30		 Quantifying Brown Carbon Light Absorption in Real-world Biofuel Combustion Emissions. MOHAMMAD MAKSIMUL ISLAM, Andrew Whitesell, Alyssa Sanderson, Ashley Bittner, Soroush Neyestani, Rawad Saleh, Andrew Grieshop, North Carolina State University

1CO.3  
9:30		 Design and Evaluation of a New Source Sampler for on-Field Emission Measurement from Combustion Sources. JYOTI KUMARI, Kashish Jain, Kumail Zaidi, Gazala Habib, Indian Institute of Technology Delhi

1CO.4  
9:45		 The Role of Oxidizer Concentration, Fuel Consumption Rate, and Dilution Conditions on Near-source Aerosol Emissions from Lignocellulosic Biomass and Constituent Burning. LUKE MCLAUGHLIN, Erica Belmont, University of Wyoming

1CO.5  
9:45		 Carbon Black and Hydrogen Production: An Optimized Reaction Mechanism for Methane Pyrolysis. AMBUJ PUNIA, James Tatum, Larry Kostiuk, Jason S. Olfert, Marc Secanell, University of Alberta

1CO.6  
9:45		 Solid-Phase Excitation-Emission Matrix Spectroscopy for Chemical Analysis of Combustion Aerosols. Gaurav Mahamuni, Jiayang He, Jay Rutherford, Byron Ockerman, Arka Majumdar, Gregory Korshin, Edmund Seto, IGOR NOVOSSELOV, Univertsity of Washington

1CO.7  
10:00		 Effects of Polyoxymethylene Dimethyl Ether (PODE) Blended Fuel on Diesel Engine Emission. MUTIAN MA, Laura-Helena Rivellini, Nethmi Kasthuriarachchi, Qiren Zhu, Yichen Zong, Wenbin Yu, Wenming Yang, Markus Kraft, Alex Lee, National University of Singapore

1CO.8  
10:00		 Repeatable Emission Studies of Controlled Biomass Pyrolysis and Combustion Using a Cone Calorimeter Set-Up. VILHELM B. MALMBORG, François-Guillaume Ide, Dan Madsen, Ioannis Sadiktsis, Michaël Toublanc, Patrick van Hees, Andrew Grieshop, Joakim Pagels, Lund University, Sweden

1CO.9  
10:15		 Global Emissions of Hydrogen Chloride and Fine Particulate Chloride from Anthropogenic Sources and Biomass Open Burning. BINGQING ZHANG, Huizhong Shen, Xiao Yun, Qirui Zhong, Barron Henderson, Shu Tao, Armistead G. Russell, Pengfei Liu, Georgia Institute of Technology

1RA REMOTE AND REGIONAL ATMOSPHERIC AEROSOL I
Chongai Kuang and Jessica Mirrielees, chairs

1RA.1  
9:30		 The 3rd Atmospheric Radiation Measurement (ARM) Mobile Facility Deployment to the Southeastern United States (SEUS): Updates on Siting, Instrumentation, and Opportunities for Inter-agency Coordination. CHONGAI KUANG, Scott Giangrande, Shawn Serbin, Gregory Elsaesser, Pierre Gentine, Thijs Heus, John Peters, Mariko Oue, James Smith, Allison Steiner, Brookhaven National Laboratory

1RA.2  
9:30		 Temporal Trends in the Emissions and Impacts of Monoterpenes in the Southeastern U.S. Demonstrate the Dominant Influence of Low-Concentration, Highly Reactive Compounds. DEBORAH MCGLYNN, Graham Frazier, Laura E. R. Barry, Koong Yi, Xi Yang, Manuel Lerdau, Sally Pusede, Gabriel Isaacman-VanWertz, Virginia Tech

1RA.3  
9:30		 Seasonal Contribution of Isoprene-Derived Organosulfates to Total Water-Soluble Fine Particulate Organic Sulfur in the United States. YUZHI CHEN, Tracy Dombek, Jenny Hand, Zhenfa Zhang, Avram Gold, Andrew Ault, Keith Levine, Jason Surratt, University of North Carolina at Chapel Hill

1RA.4  
9:45		 Atmospheric Transport of Pesticides and PFAS through Dry and Wet Deposition. Eve Painter, JENNIFER FAUST, College of Wooster

1RA.5  
9:45		 Gas and Particle-phase Measurements in a Rural Oil and Gas Production Region with a Vocus PTR-ToF-MS. LEIF JAHN, Daniel C. Blomdahl, Nirvan Bhattacharyya, Catherine Masoud, Kristi McPherson, Pearl Abue, Kanan Patel, Lea Hildebrandt Ruiz, Pawel K. Misztal, University of Texas at Austin

1RA.6  
9:45		 Characterization of Aerosol Vertical Profiles over the Western North Atlantic Ocean during the North Atlantic Aerosols and Marine Ecosystems Study (NAAMES). FRANCESCA GALLO, Kevin Sanchez, Bruce Anderson, Matthew Brown, Ewan Crosbie, Carolyn Jordan, Claire Robinson, Taylor Shingler, Michael Shook, Kenneth Thornhill, Elizabeth Wiggins, Edward Winstead, Luke Ziemba, Richard Moore, NASA Langley

1RA.7  
10:00		 Scattering-Constrained Coarse Mode Retrieval (SCMR) of Sea Spray Aerosol Concentration using a Submicron Particle Sizer and 3-Wavelength Integrating Nephelometer. Jeramy Dedrick, LYNN RUSSELL, Georges Saliba, Dan Lubin, Scripps Institution of Oceanography

1RA.8  
10:00		 Analysis of Wintertime Alaskan Sea Spray Aerosol Using Single-Particle Mass Spectrometry. JUDY WU, Jun Liu, Jamy Lee, Lucia Upchurch, Patricia Quinn, Son Nghiem, Kerri Pratt, University of Michigan

1RA.9  
10:00		 Sea Spray Aerosol Generation Experiments in the Summertime High Arctic Pack Ice. JESSICA MIRRIELEES, Rachel Kirpes, Carlton Rauschenberg, Allison Remenapp, Yao Xiao, Nurun Nahar Lata, Vanessa Boschi, Swarup China, Andrew Ault, Amanda Grannas, Patricia Matrai, Kerri Pratt, University of Michigan

1RA.10  
10:15		 Wintertime Chemistry of Ionic and Carbonaceous Species of Fine Aerosol Particles at an Arid Desert Region in North-Western India. SAYANTEE ROY, Rishabh Dev, Gazala Habib, Ramya Sunder Raman, Indian Institute of Technology Delhi

1RA.11  
10:15		 Submicron Aerosol Composition and Source Contributions across the Kathmandu Valley, Nepal. Benjamin Werden, Michael R. Giordano, Khadak Mahata, Md. Robiul Islam, Siva Praveen Puppala, Arnico Panday, Robert J. Yokelson, Elizabeth Stone, PETER F. DECARLO, Johns Hopkins University

1RA.12  
10:15		 Using Observational Constraints to Improve Aerosol Pollution Attribution over India. SIDHANT J. PAI, Colette L. Heald, Hugh Coe, James Brooks, Mark W. Shephard, Enrico Dammers, Joshua S. Apte, Gan Luo, Fangqun Yu, Christopher D. Holmes, Chandra Venkataraman, Pankaj Sadavarte, Kushal Tibrewal, Massachusetts Institute of Technology

1SI SPECIAL SYMPOSIUM: INFECTIOUS AEROSOLS IN THE AGE OF COVID-19 I
Shanna Ratnesar-Shumate and Paul Dabisch, chairs

1SI.1  
9:30		 Measuring the Performance of Masks as Source Control Devices for Respiratory Aerosols. WILLIAM LINDSLEY, Francoise Blachere, Brandon Law, Raymond Derk, Justin Hettick, Karen Woodfork, William Goldsmith, James Harris, Matthew Duling, Brenda Boutin, Theresa Boots, Jamye Coyle, Timothy Nurkiewicz, Donald Beezhold, John Noti, National Institute for Occupational Safety and Health

1SI.2  
9:45		 Particle Size Distributions of Infectious Aerosols: Implications for Preventing Transmission. KEVIN FENNELLY, NIH/NHLBI

1SI.3  
10:00		 On the Intricate Relationship between Ventilation, Deposition and Airborne Virus Transmission in Indoor Environments. K. MAX ZHANG, Bo Yang, Khaled Hashad, Alfredo Rodriguez, Cornell University

1SI.4  
10:00		 In-Vitro Investigation of Exhaled Particle Deposition and Ventilation in Office Settings. STEPHANIE EILTS, Linhao Li, Zachary Pope, Christopher J. Hogan, University of Minnesota

1SI.5  
10:00		 Ventilation Systems and COVID-19. Sunil Kumar, David Klassen, Tatiana Baig, MARIA KING, Texas A&M University

1SI.6  
10:15		 Dynamic Behavior and Fate of Model Respiratory Fluids Aerosol in Indoor Environments. LUCY NANDY, Emma Tackman, Miriam Freedman, The Pennsylvania State University

1SI.7  
10:15		 Airborne Murine Coronavirus Persistence Circumscribing Efflorescence Humidity Thresholds in Saliva Microaerosols. MARINA NIETO-CABALLERO, Eddie Fuques, Odessa M. Gomez, Shuichi Ushijima, Margaret Tolbert, Alina Handorean, Mark T. Hernandez, University of Colorado Boulder

1SI.8  
10:15		 Aerosol Phase Changes Relevant to the Airborne Survival of Pathogens. ERIK HUYNH, Anna Olinger, David Wooley, Josefina Hajek-Herrera, Ryan Davis, Trinity University

Monday 10:45 AM - 11:45 AM
Session 2: Platform



2AC AEROSOL CHEMISTRY II
Shantanu Jathar and Tran Nguyen, chairs

2AC.1  
10:45		 Nucleation and Growth of Particulate Matter from Aromatic Hydrocarbons Using a Photooxidation Flow Tube. ISSAK PROAÑO LÓPEZ, Murray Johnston, University of Delaware

2AC.2  
10:45		 Nucleation Dynamics and Fragmentation Reactions Explain Differences in Secondary Organic Aerosol Formation between Environmental Chambers and Oxidation Flow Reactors. CHARLES HE, Andrew Lambe, Beth Friedman, Delphine K. Farmer, John Seinfeld, Jeffrey R. Pierce, Shantanu Jathar, Colorado State University

2AC.4  
11:00		 Aqueous SOA Formation from the Photo-oxidation of Vanillin: Direct Photosensitized Reactions and Nitrate-Mediated Reactions. BEATRIX ROSETTE GO MABATO, Yan Lyu, Yan Ji, Yong Jie Li, Dan Dan Huang, Xue Li, Theodora Nah, Chun Ho Lam, Chak K. Chan, City University of Hong Kong, China

2AC.5  
11:00		 Heterogeneous Reactivity of HCl on CaCO3 Aerosols at Stratospheric Temperature. HAN N. HUYNH, V. Faye McNeill, Columbia University

2AC.7  
11:15		 Photolysis of Atmospherically Relevant Monoterpene-derived Organic Nitrates. YUCHEN WANG, Masayuki Takeuchi, Tianchang Xu, Siyuan Wang, Nga Lee Ng, Georgia Institute of Technology

2AC.8  
11:15		 Increased Photochemical Sinks Help Balance the SOA Budget: Experimental Evidence and Modeling Results. KELVIN BATES, James Cope, Tran Nguyen, Daniel Jacob, Harvard University

2AC.9  
11:15		 Photolysis of Aqueous Atmospheric Aerosol Mimics. MELISSA GALLOWAY, Jacqueline Sharp, Daisy Grace, Shiqing Ma, Joseph Woo, Lafayette College

2AC.11  
11:30		 Variation in Organic Aerosol Volatility Derived from Combined Thermal Desorption and Chemical Composition Measurements in Different Environments across the Globe. CLAUDIA MOHR, Wei Huang, Cheng Wu, Yvette Gramlich, Sophie Haslett, Joel A. Thornton, Felipe Lopez-Hilfiker, Ben H. Lee, Harald Saathoff, Xiaoli Shen, Ramakrishna Ramisetty, Linyu Gao, Junwei Song, Siegfried Schobesberger, Liine Heikkinen, Sara Blichner, Ilona Riipinen, Stockholm University

2AC.12  
11:30		 Emissions and Secondary Formation of Air Pollutants From Modern Heavy-Duty Trucks in Real-World Traffic – Chemical Characteristics Using on-Line Mass Spectrometry. LIYUAN ZHOU, Christian M. Salvador, Michael Priestley, Mattias Hallquist, Qianyun Liu, Chak K. Chan, Åsa M. Hallquist, City University of Hong Kong, China

2AP AEROSOL PHYSICS I
Carlos Larriba Andaluz and Xuemeng Chen, chairs

2AP.2  
10:45		 Calculation of the Nanoparticle-Ion Attractive Collision Rate Coefficient by Continuum-Molecular Dynamics Hybrid Simulations. TOMOYA TAMADATE, Takafumi Seto, Christopher J. Hogan, University of Minnesota

2AP.3  
10:45		 The Study of Inelastic Collisions in Electrical Mobility by Coupling MD to Kinetic Theory Physical Gas Modelling. CARLOS LARRIBA-ANDALUZ, Viraj Gandhi, IUPUI

2AP.4  
11:00		 The Fractal Characteristics of Atmospheric Coated Soot: Implications for Morphological Analysis. Jie Luo, Qixing Zhang, CHENCHONG ZHANG, Yongming Zhang, Rajan K. Chakrabarty, University of Science and Technology of China

2AP.5  
11:00		 Modeling the Size-Dependent of Mass Absorption Cross-Section of Black Carbon Aggregates. FENGSHAN LIU, Joel Corbin, Prem Lobo, Gregory Smallwood, National Research Council Canada

2AP.6  
11:00		 Single Particle Light Scattering from Light Beams with Orbital Angular Momentum. MATTHEW B. HART, Vasanthi Sivaprakasam, Ryan Lindle, Wenbo Sun, Abbie Watnik, Naval Research Laboratory, Washington, DC

2AP.7  
11:15		 Direct Observation and Assessment of Phase States of Ambient and Lab-generated Sub-micron Particles upon Humidification. ZEZHEN CHENG, Noopur Sharma, Kuo-Pin Tseng, Libor Kovarik, Swarup China, Pacific Northwest National Laboratory

2AP.8  
11:15		 Next Generation UCR Chamber Minimizes Effect of Electrostatics on Particle Wall-loss. CHEN LE, Qi Li, Don Collins, David R. Cocker III, University of California, Riverside

2AP.9  
11:30		 Comparison of New Particle Formation (NPF) Events in Various Ambient Atmospheres. HAEBUM LEE, Joonwoo Kim, Jiyeon Park, Young-Jun Yoon, Kihong Park, Gwangju Institute of Science and Technology

2AP.10  
11:30		 Field Directed Assembly of Aerosol Nanoparticles in Free-molecular and Transition Regime. PRITHWISH BISWAS, Pankaj Ghildiyal, George Mulholland, Michael Zachariah, University of California, Riverside

2CO COMBUSTION II
Francesco Carbone and Claire Fortenberry, chairs

2CO.1  
10:45		 A Reactive Molecular Dynamics-based Exploration of Soot Inception Pathways in Combustion. Khaled Mosharraf Mukut, Akaash Sharma, Eirini Goudeli, SOMESH ROY, Marquette University

2CO.2  
10:45		 Achieving Sampling Parameter-Independent Measurements of Incipient Soot in Laminar Flames with High-Resolution Differential Mobility Analysis. FARNAZ KHOSRAVI, Francesco Carbone, University of Connecticut

2CO.3  
10:45		 Santoro Flame: The Volume Fraction of Soot Accounting for Its Morphology & Composition. GEORGIOS A. KELESIDIS, Sotiris Pratsinis, ETH Zurich, Switzerland

2CO.4  
11:00		 Retrieving Pre-factor and Fractal Dimension of a Single Soot Aggregate. Divjyot Singh, LAURENCE LU, Alexei Khalizov, New Jersey Institute of Technology

2CO.5  
11:00		 Turbulence Impacts upon nvPM Sizes. MADHU SINGH, Akshay Gharpure, Randy Vander Wal, Prem Lobo, Joel Corbin, Gregory Smallwood, Penn State University

2CO.7  
11:15		 Laboratory Evaluation of the Volatility of Nanoparticles Generated from Jet Engine Lubrication Oil. NOBUYUKI TAKEGAWA, Anna Nagasaki, Tokyo Metropolitan University

2CO.8  
11:15		 The Effect of Sodium-laden Solutions on Particulate Emissions from Gas Flares. CAMERON ROTH, Bradley Conrad, Matthew Johnson, Carleton University

2CO.9  
11:30		 Quantifying Smoke Detector Performance for Spacecraft Applications. CLAIRE FORTENBERRY, Marit Meyer, Thomas Cleary, David Urban, Gary Ruff, Universities Space Research Association

2CO.10  
11:30		 Characterization of Gas and Particle Emissions from Solid Waste Combustions. XIAOLIANG WANG, Hatef Firouzkouhi, Matthew Claassen, Judith Chow, John Watson, Gerhard Fourie, Mabu Mamadi, Desert Research Institute

2RA REMOTE AND REGIONAL ATMOSPHERIC AEROSOL II
Bret Schictel and Pedro Campuzano-Jost, chairs

2RA.1  
10:45		 Stationary and Mobile Measurements of NO2 Vertical Column Density at an Agricultural Site. TAEWOONG GONG, Joonwoo Kim, Haebum Lee, Kihong Park, Gwangju Institute of Science and Technology

2RA.2  
10:45		 Composition and Concentrations of Ambient PM in an Oil and Gas Production Region. KRISTI MCPHERSON, Catherine Masoud, Nirvan Bhattacharyya, Kanan Patel, Leif Jahn, Pearl Abue, Daniel C. Blomdahl, Pawel K. Misztal, Lea Hildebrandt Ruiz, University of Texas at Austin

2RA.4  
11:00		 Refining Ammonia Emissions Estimates with Satellite-based Observations Using a Novel Framework and an Air Quality Model. CONGMENG LYU, Shannon Capps, Mark W. Shephard, Daven Henze, Matthew Lombardo, Shunliu Zhao, Amir Hakami, Steven Thomas, Jeremy Silver, Peter Rayner, Drexel University

2RA.5  
11:00		 PM2.5 Characteristics in the Ammonia-Rich Agricultural Environment. JOONWOO KIM, Haebum Lee, Taewoong Gong, Jiho Jang, Dahye Oh, Kihong Park, Gwangju Institute of Science and Technology

2RA.6  
11:00		 Understanding Ambient Trends in Particle Phase Nitrate Contributions from Inorganic & Organic Species. JESSICA HASKINS, Colette L. Heald, Douglas Day, Pedro Campuzano-Jost, Jose-Luis Jimenez, Massachusetts Institute of Technology

2RA.7  
11:15		 Chemical Signatures of Fire and Urban Influenced Secondary Aerosol Formation in the Central Amazon. EMILY FRANKLIN, Lindsay Yee, Rebecca Wernis, Gabriel Isaacman-VanWertz, Nathan Kreisberg, Robert Weber, Brett Palm, Weiwei Hu, Pedro Campuzano-Jost, Douglas Day, Paulo Artaxo, Rodrigo Souza, Jose-Luis Jimenez, Scot T. Martin, Allen Goldstein, University of California, Berkeley

2RA.8  
11:15		 Characterizing the Atmospheric Processes of Brevetoxins in Sea Spray Aerosols Generated from Florida Red Tide. KAREN SEM, Myoseon Jang, Zechen Yu, Richard Pierce, Patricia Blum, University of Florida

2RA.9  
11:15		 New Particle Formation over the Western North Atlantic Ocean: Results from the NAAMES Field Campaign. JIAOSHI ZHANG, Xianda Gong, Qian Xiao, Armin Wisthaler, Markus Müller, Sven Arne Philipp Schiller, Richard Moore, Luke Ziemba, Ewan Crosbie, Ryan Bennett, Jian Wang, Washington University in St. Louis

2RA.10  
11:30		 A Global-scale Mineral Dust Equation. XUAN LIU, Jay R. Turner, Randall Martin, Bret Schichtel, Jenny Hand, Washington University in St. Louis

2RA.12  
11:30		 Indoor Environment Air Quality Evaluation in a High Elevation Metropolitan Area in the Andes. RUBEN MAMANI-PACO, Mihai Chiruta, Atmospheric Physics, Univ. Mayor de San Andrés La Paz Bolvia

2SI SPECIAL SYMPOSIUM: INFECTIOUS AEROSOLS IN THE AGE OF COVID-19 II
William Lindsley and Linsey Marr, chairs

2SI.1  
10:45		 Recovery of Airborne SARS-CoV-2 Virus Surrogate Captured by Filtration: Effect of Sampling and Storage Stress. NIRMALA THOMAS MYERS, Taewon Han, Mei-Ling Li, Gary Brewer, Martin Harper, Gediminas Mainelis, Rutgers, The State University of New Jersey

2SI.2  
10:45		 Exploring Approaches to Characterize Respiratory Droplets >20 μm Diameter. JOSHUA HARRISON, Henry Symons, Justice Archer, Jonathan P. Reid, Bryan R. Bzdek, University of Bristol

2SI.3  
10:45		 High-Resolution Detection of Aerosols Produced During Breathing and Speech with an Electrical Low-Pressure Impactor. PAUL TUMMINELLO, Caleb Everett, Marva Seifert, Chantal Darquenne, Jonathan Slade, University of California San Diego

2SI.4  
11:00		 Filtration Efficiency and Inhalation Resistance of Cloth Mask Combinations and the Effects of Washing and Drying On Performance. SUMIT SANKHYAN, Karen Heinselman, Peter Ciesielski, Hannah Teed, Teresa Barnes, Sameer Patel, Marina Vance, University of Colorado Boulder

2SI.5  
11:00		 Practical Considerations of Cloth Facemask Performance Versus Insert Areal Coverage. JAMES RADNEY, Christopher Zangmeister, National Institute of Standards and Technology

2SI.6  
11:00		 How You Test Matters: Respiratory Filtration Testing Using Common Aerosol Instruments. TIM JOHNSON, Greg M. Olson, Justin S. Koczak, Andrea J. Tiwari, TSI Incorporated

2SI.7  
11:15		 Optimized Hospital Ventilation to Reduce Virus Aerosol Transmission. MEIYI ZHANG, Tatiana Baig, Brooke Smith, Maria King, Texas A&M University

2SI.8  
11:15		 Effectiveness of a Negative Pressure Airway Chamber in Reducing the Exposure of Healthcare Providers to Aerosol Generating Medical Procedures. ALBERTO BALDELLI, Kevin Heieis, Steven Rogak, Andrew Poznikoff, Matthias Görges, Robert Purdy, The University of British Columbia

2SI.9  
11:15		 Aerosolisation and Transmission of SARS-Cov-2 in Healthcare Settings (AERATOR). Florence Gregson, Sadiyah Sheikh, Fergus Hamilton, Mark Gormley, Jules Brown, Nick Maskell, Bryan R. Bzdek, JONATHAN P. REID, University of Bristol, U.K.

2SI.10  
11:30		 Lethality Caused by Small Particle Aerosols of H5N1 Influenza Virus in Cynomolgus Macaques Is Highly Dose Dependent. DOUGLAS REED, Katherine O'Malley, Mengying Xia, Morgan Midgett, Emily Olsen, Gwenddolen Kettenburg, Michelle Marti, Priscilla da Silva Castanha, Jacqueline Corry, Masaru Kanekiyo, Barney Graham, Simon Barratt-Boyes, University of Pittsburgh

2SI.11  
11:30		 Presence of SARS-CoV-2 Aerosol in Homes of COVID 19 Patients. GEDIMINAS MAINELIS, Robert Laumbach, Kathleen Black, Nirmala Thomas Myers, Pamela Ohman-Strickland, Shahnaz Alimokhtari-V, Adriana De Resende, Alicia Legard, Leonardo Calderón, Shirin Hastings, Howard Kippen, Rutgers, The State University of New Jersey

2SI.12  
11:30		 Disease Presentation is Dose-Dependent in a Nonhuman Primate Model of Inhalational COVID-19. PAUL DABISCH, Katie Beck, Jennifer Biryukov, Jordan Bohannon, John Yeager, Brian Green, Jeremy Boydston, BNBI / DHS NBACC

Monday 11:45 AM - 1:00 PM
Lunch Break



Monday 1:00 PM - 2:00 PM
Session 3: Platform



3AC AEROSOL CHEMISTRY III
Rodney Weber and Celia Faiola, chairs

3AC.1  
1:00		 Airborne Microplastics in a Suburban Location in the Desert Southwest. KANCHANA CHANDRAKANTHAN, Pierre Herckes, Arizona State University

3AC.2  
1:00		 Contribution of Organic Aerosol to PM2.5 in Bogotá, Colombia. KAREN BALLESTEROS, Ricardo Morales Betancourt, Amy P. Sullivan, Universidad de los Andes

3AC.4  
1:15		 Accelerated Chemical Reaction in Ultrafine Droplets: Effect of Droplet Size on Product Formation. YAO ZHANG, Murray Johnston, University of Delaware

3AC.5  
1:15		 Influence of Structure and Functionality on Uptake of Semivolatile Organic Compounds to Surfaces. GRAHAM FRAZIER, Gabriel Isaacman-VanWertz, John Morris, Virginia Tech

3AC.7  
1:30		 Kinetics and Products of Heterogeneous Hydroxyl Radical Oxidation of Isoprene Epoxydiol-Derived SOA. JIN YAN, Yue Zhang, Yuzhi Chen, N. Cazimir Armstrong, Zhenfa Zhang, Avram Gold, Andrew Lambe, Barbara Turpin, Andrew Ault, Jason Surratt, University of North Carolina at Chapel Hill

3AC.8  
1:30		 Condensed Phase Reactions of Carboxynitrates with Alcohols to Form Esters: Measurements of Kinetics and Equilibria. HANNAH MABEN, Paul Ziemann, University of Colorado Boulder

3AC.9  
1:30		 Multiphase Heterogeneous OH Oxidation of a Long Chain Alkyl Sulfate. SZE IN MADELEINE NG, Rongshuang Xu, Man Nin Chan, The Chinese University of Hong Kong

3AC.10  
1:45		 Chemical Characterization of Stratospheric Particles with the Next Generation of Airborne Laser Mass Spectrometer: PALMS-NG. JUSTIN JACQUOT, Xiaoli Shen, Kyra Slovacek, Gregory Schill, Michael Lawler, David Thomson, Karl Froyd, Daniel Murphy, Daniel Cziczo, Purdue University

3AC.11  
1:45		 Characterization of Hydroxymethanesulfonate (HMS) and Sulfate in Fairbanks, Alaska using Ion Chromatography (IC). KAYANE DINGILIAN, Michael Battaglia, James Campbell, Jingqiu Mao, Rodney J. Weber, Georgia Institute of Technology

3AC.12  
1:45		 Secondary Organic Aerosol Formation from Photooxidation of Acyclic Terpenes in an Oxidation Flow Reactor. SHAN GU, Farzaneh Khalaj, Véronique Perraud, Celia Faiola, University of California, Irvine

3AP AEROSOL PHYSICS II
Hallie Chelmo and Dana McGuffin, chairs

3AP.1  
1:00		 Possible, Impossible and Expected Diameters and Flow Rates in Droplet Aerosols. MAKSIM MEZHERICHER, Howard A. Stone, Princeton University

3AP.2  
1:00		 Process Level Modeling of Vertically Resolved New-particle Formation at the Southern Great Plains Observatory. O'DONNELL SAMUEL, James Smith, Ali Akherati, John Shilling, Fan Mei, Hubbe John, Stephen Springston, Joel A. Thornton, Siegfried Schobesberger, Emma D'Ambro, Ben H. Lee, Charles Long, Chongai Kuang, Jerome Fast, Anna Hodshire, Charles He, Michael J. Lawler, Jeffrey R. Pierce, Shantanu Jathar, Colorado State University

3AP.3  
1:00		 A Machine Learning Based Aerosol Dynamics Model for Log-Normal Aerosols. ONOCHIE OKONKWO, Rahul Patel, Ravindra Gudi, Pratim Biswas, University of Miami

3AP.4  
1:15		 Multiple Wavelength Digital Holography for Color Micro-particle Imaging. RAMESH GIRI, Gorden Videen, Matthew J Berg, Kansas State University

3AP.5  
1:15		 Design of a Multi-Angle Light Scattering Setup Covering the Whole Scattering Angle Range (0.32° to 177.6°) and Interpretation of Light Scattering Data Under Q-Space Analysis. PRAKASH GAUTAM, Justin Maughan, Christopher Sorensen, Kansas State University

3AP.6  
1:15		 Morphological Characterization and Classification of Aerosol Aggregates through Multispectral Light Scattering Simulations. STEPHEN HOLLER, Jaeda Mendoza, Emily Shipley, Sequoyah Waters, Kevin Aptowicz, Fordham University

3AP.7  
1:30		 Super-droplet Method to Simulate Lagrangian Microphysics of Fallout Particles. DANA MCGUFFIN, Donald Lucas, Joe Morris, Kim Knight, Lawrence Livermore National Laboratory

3AP.9  
1:30		 Sintering of Lignin-based Particles During Fast Pyrolysis: A Kinetic Study Using Furnace Aerosol Reactor And Tandem Differential Mobility Analysis. SUJIT MODI, Onochie Okonkwo, Hao Zhou, Pratim Biswas, Washington University in St. Louis

3AP.10  
1:45		 Prediction of Ion Mobility at High E/n Using the Two-Temperature Theory to Maximize Selectivity. VIRAJ GANDHI, Carlos Larriba-Andaluz, IUPUI

3AP.11  
1:45		 Investigating Homogeneous Nucleation of Propane and N-Butane in Supersonic Nozzle Expansions. JIAQI LUO, Barbara Wyslouzil, The Ohio State University

3AP.12  
1:45		 Investigations on Air Ion Properties and Their Connections to Atmospheric Radioactivity and Electricity. XUEMENG CHEN, Heikki Junninen, Jussi Paatero, Susana Barbosa, Joonas Vanhanen, Tuukka Petäjä, Veli-Matti Kerminen, Markku Kulmala, Carlos Larriba-Andaluz, University of Tartu / IUPUI

3IA INDOOR AEROSOLS I
Sumit Sankhyan and Stephanie Parsons, chairs

3IA.2  
1:00		 Successfully Lowering Exposure to Air Pollutants in Public Transport. BORIS GALVIS, Ricardo Morales Betancourt, Daniela Mendez, Yadert Contreras Barbosa, Alejandra Montejo-Barato, Diego Roberto Rojas-Neisa, Universidad de La Salle

3IA.3  
1:00		 Assessment of PM2.5 Concentration and Transport in Indoor Environments Using Low-Cost Sensors. SUMIT SANKHYAN, Julia Witteman, Steven Coyan, Sameer Patel, Marina Vance, University of Colorado Boulder

3IA.4  
1:15		 Estimation of PM2.5 Exfiltration Factor from Biomass Cooking. Jyoti Jyotsana, Gupta Anurag, CHIMURKAR NAVINYA, Harish C Phuleria, Indian Institute of Technology Bombay

3IA.5  
1:15		 Nerves Impact Following Short-Term Exposure to Cooking Ultrafine Particles. Motahareh Naseri, MEHDI AMOUEI TORKMAHALLEH, Mojtaba Jozizadeh, Sahar Sadeghi, Reza Khanbabaie, Flemming Cassee, Nazarbayev University, Nur-Sultan, Kazakhstan

3IA.6  
1:15		 Kitchen Area and Personal Exposure Measurements of Carbon Monoxide and Particulate Matter in Rural and Urban Malawi. STEPHANIE PARSONS, Joseph Pedit, Andrew Grieshop, Pamela Jagger, North Carolina State University

3IA.7  
1:30		 Insights into the Strategies of Reducing the Aerosol Particle Concentration in Indoor Environments Using Mobile Air Purifiers - Experimental and Numerical Analyzes. ADRIAN TOBISCH, Lukas Springsklee, Lisa-Franziska Schaefer, Nico Sussmann, Martin Lehmann, Raoul Zoellner, Jennifer Niessner, Heilbronn University of Applied Sciences

3IA.8  
1:30		 Effect of Low-Cost Air Purification on Aerosol Dispersion and Droplet Deposition in a Conference Room. LINHAO LI, Stephanie Eilts, Zachary Pope, Meng Kong, Clay Maranville, John Jaranson, John Elson, Rainer Vogt, Christopher J. Hogan, Well Living Lab

3IA.9  
1:30		 Using a High-Flow Extractor to Reduce Aerosol Exposure in Medical Environments. BOWEN DU, Tianyuan Li, Clyde Matava, Vincent Collard, Simon Denning, John Fiadjoe, Pierre Fiset, Thomas Engelhardt, Jeffrey Siegel, University of Toronto

3IA.10  
1:45		 Children’s PM2.5 Indoor Exposures in Mongolian Kindergartens. ZHIYAO LI, Munkhbayar Buyan, Rufus Edwards, Bat-Amgalan Gantumur, Alex Heikens, Jay R. Turner, Washington University in St. Louis

3IA.11  
1:45		 Particle Emissions from Fused Filament Fabrication 3D Printers and Their Impacts on Indoor Air Quality in School Environments. QIAN ZHANG, Aika Davis, Marilyn Black, Underwriters Laboratories Inc.

3IA.12  
1:45		 Investigation of the Size Resolved Fluorescent Bioaerosol in School Buildings with and without Upper-Room UVGI. CHUNXIAO SU, Josephine Lau, University of Shanghai for Science and Technology

3SI SPECIAL SYMPOSIUM: INFECTIOUS AEROSOLS IN THE AGE OF COVID-19 III
Gedi Mainelis and Kevin Fennelly, chairs

3SI.1  
1:00		 Viral Shedding from Persons Infected with SARS-CoV02: Aerosols, Droplet Spray, and Fomites. Oluwasanmi Adenaiye, Jianyu Lai, Filbert Hong, Sheldon Tai, Jennifer German, Somayeh Youssefi, Paul Jacob Bueno de Mesquita, Barbara J. Albert, Tianzhou Ma, Stuart Weston, Matthew B. Frieman, DONALD K. MILTON, School of Public Health, University of Maryland, College Pk

3SI.2  
1:00		 Measurements of Exhaled SARS-CoV-2 and Human Respiratory Droplets Using an Infectious Aerosol Capture Mask. JOSHUA SANTARPIA, Nicholas Markin, Steven Lisco, Gabriel Lucero, Danielle Rivera, Vicki Herrera, Sarah Stein, University of Nebraska Medical Center

3SI.3  
1:00		 SARS-CoV-2 RNA Contaminated HVAC Filters and Indoor Surfaces in the Built Environment during Both Isolation and Quarantine Stages. JIN PAN, Seth Hawks, Aaron Prussin II, Nisha Duggal, Linsey Marr, Virginia Tech

3SI.4  
1:15		 Aerosol Generation from Flute Playing. KARIN ARDON-DRYER, Lisa Garner Santa, Michael San Francisco, Emily Bailey, Department of Geosciences, Texas Tech University

3SI.5  
1:15		 Quantification of Expiratory Particulate Matter Generated from Singing, Speaking, Breathing, Cough and Playing of Musical Instruments. JUSTICE ARCHER, Henry Symons, Natalie Watson, Christopher Orton, Pallav Shah, James Calder, Bryan R. Bzdek, Declan Costello, Jonathan P. Reid, University of Bristol

3SI.6  
1:15		 Bioaerosols in the Performing Arts: Quantifying Aerosol Emissions from Speech, Song, and Wind Instruments. Kristen Fedak, Nicholas Good, Christian L'Orange, Ky Tanner, Amy Keisling, Emily Morton, Dan Goble, Rebecca Phillips, JOHN VOLCKENS, Colorado State University

3SI.7  
1:30		 Simulations of Infection Risk for Indoor Transmission of COVID-19. Gregoire Labat, Haider Allawi, Isaac Flores Espinoza, SHERYL EHRMAN, San Jose State University

3SI.8  
1:30		 Respiratory Droplet Emissions and Transport Estimates Using CFD for a Nine-Person, Cubicle-Style Office. Sohaib Obeid, Mahender Singh Rawat, Paul White, Jacky Rosati Rowe, Andrea Ferro, GOODARZ AHMADI, Clarkson University

3SI.9  
1:30		 Design-Aided Mitigation of the Spread of Virus Aerosols. SUNIL KUMAR, Maria King, Texas A&M University

3SI.10  
1:45		 Quantification of Expiratory Aerosol and Droplets Produced during Exercise. Henry Symons, Justice Archer, Christopher Orton, Natalie Watson, James Calder, Declan Costello, James Hull, Pallav Shah, BRYAN R. BZDEK, Jonathan P. Reid, University of Bristol

3SI.11  
1:45		 Pathogens and Size Characterization of Aerosols Generated during Aerosol Generating Procedure in COVID 19 Positive Patient Intensive Care Units. SHRUTI CHOUDHARY, Tracey Bach, Meghan Wallace, Carey-Ann Burnham, Michael Durkin, Jennie Kwon, Hilary Babcock, Stephen Liang, Pratim Biswas, Washington University in St Louis

3SI.12  
1:45		 Detection of Non-infectious SARS-CoV-2 from Aggregated Samples of Bioaerosols Produced during Expiratory Activities. Tyler J. Johnson, ROBERT T. NISHIDA, Ashlesha P. Sonpar, James Lin, Kimberley Watson, Stephanie Smith, John Conly, David Evans, Jason S. Olfert, University of Alberta

3ST SPECIAL SYMPOSIUM: TRANSLATING AEROSOL RESEARCH FOR SOCIETAL IMPACT: SCIENCE COMMUNICATION AND PUBLIC OUTREACH I
Andrew Grieshop and Marina Vance, chairs

3ST.1  
1:00		 Droplets and Aerosols in Infectious Disease Transmission: History of the 5-μm Cutoff and the 6' Rule. Katherine Randall, E. Thomas Ewing, LINSEY MARR, Jose-Luis Jimenez, Lydia Bourouiba, Virginia Tech

3ST.2  
1:00		 Ventilation in Schools and Universities. V. FAYE MCNEILL, Richard Corsi, J. Alex Huffman, Do Young Maeng, Shelly Miller, Nga Lee Ng, Atila Novoselac, Paula Olsiewski, Krystal Godri Pollitt, Rachel Segalman, Alex Sessions, Todd Squires, Sabrina Westgate, Columbia University

3ST.3  
1:00		 An Openly Available Database for Public Education and to Combat Misinformation about Respiratory Aerosols. J. ALEX HUFFMAN, University of Denver

3ST.4  
1:15		 Building an Aerosol Sensing Sensor Network and Inspiring Citizen Scientists. KERRY KELLY, Anthony Butterfield, Wei Xing, Katrina Le, Tofigh Sayahi, James Moore, Tom Becnel, Miriah Meyer, Ross Whitaker, Pierre-Emmanuel Gaillardon, University of Utah

3ST.5  
1:15		 Social Science in Community Air Monitoring. ELISA LAZZARINO, Sherri Hunt, EPA

3ST.6  
1:15		 Multi-Modal Data Sharing and Synthesis for Low-Cost Sensors. ALIAKSEI HAURYLIUK, R. Subramanian, Carl Malings, Ashley Angulo, Randy Sargent, Ana Hoffman, Albert Presto, Carnegie Mellon University

3ST.7  
1:30		 Engaging Residents in Community Science to Address Air and Noise Pollution Exposure. MARISA WESTBROOK, Nicholas Clements, Esther Sullivan, University of Colorado Denver

3ST.8  
1:30		 IndoorChem: Building a Science Community in the Chemistry of Indoor Environments. MARINA VANCE, Delphine K. Farmer, Julia Bakker-Arkema, Sameer Patel, University of Colorado Boulder

3ST.9  
1:30		 Exploding Interest: Air Quality Messaging during and after a Refinery Explosion. PETER F. DECARLO, Johns Hopkins University

3ST.10  
1:45		 Historic Redlining and Modern Disparities in U.S. Urban Air Pollution Exposure. HALEY LANE, Julian Marshall, Rachel Morello-Frosch, Joshua S. Apte, University of California, Berkeley

3ST.11  
1:45		 Air Quality Monitoring with Low-Cost Sensors in Greater Springfield, MA: Citizen Science and Air Quality Monitoring. Dong Gao, Mahea Heimuli, Kayla Fennell, Anna Woodroof, Mark Chandler, David Bloniarz, Alexander Sherman, Samantha Hamilton, Yoni Glogower, Sarita Hudson, KRYSTAL GODRI POLLITT, Yale University

Monday 2:00 PM - 4:00 PM
Chatroom Open