2-Year Durability Comparison of HEPA vs MERV 16 vs MERV 13 Air Filters in DIY Air Cleaners Used Daily in Elementary and Middle Schools. DEVABHAKTUNI SRIKRISHNA, Patient Knowhow, Inc..

A Blueprint for the Use of Far-UVC to Suppress Airborne Transmission and Prevent Future Pandemics. Richard Williamson, JAMES MONTAVON, Rose Hadshar, Harry Koos, Jacob Swett, Blueprint Biosecurity.

A Comprehensive Analysis of New Particle Formation Across the Northwest Atlantic: Analysis of ACTIVATE Airborne Data. SOODABEH NAMDARI, Taiwo Ajayi, Yonghoon Choi, Ewan Crosbie, Josh DiGangi, Glenn Diskin, Simon Kirschler, Hongyu Liu, John Nowak, Michael Shook, Cassidy Soloff, Kenneth Thornhill, Christiane Voigt, Edward Winstead, Bo Zhang, Luke Ziemba, Armin Sorooshian, University of Arizona.

A New Framework for Modelling Wildfire Smoke Aerosol Concentration. DAN BARTHAUX, Andreas Zuend, McGill University.

Advance Aerosol Separator for Planetary Exploration. PAUL CARPENTER, Dragan Nikolic, David Keicher, Integrated Deposition Solutions Inc. (IDS).

Advancing Planetary Climate Science with the Planetary Cloud Aerosols Research Facility (PCARF). MIKE PAUKEN, Luca Valdarno, Marcel Veismann, Dejian Fu, Joseph Salazar, Richard Flagan, Will Cantrell, Jet Propulsion Laboratory, Caltech.

Aerosol Chemical Composition and Cloud Interactions: Findings from the SCILLA Campaign. BRADLEY RIES, Alexander B. MacDonald, Dongli Wang, Minghao Han, Sierra Bollinger, Mason Leandro, Lisa Welp-Smith, Patrick Chuang, Mikael Witte, Andrew Metcalf, Don Collins, Roya Bahreini, University of California, Riverside.

Ammonium-Induced Stabilization of Imidazoles in the Particle Phase. MALSHA AMUGODA, James F. Davies, University of California, Riverside.

An Aerosol Flame Photometer to Study Indoor Aerosol Dispersion. JONATHAN SYMONDS, Julie Pongetti, Kristian Hoffman, Chris Nickolaus, Cambustion Ltd.

Analysis of Particulate Matter Fraction in an Urban Area, Brazil. RAFAELA SQUIZZATO, Thiago Nogueira, Caroline Fernanda Hei Wikuats, Maria de Fatima Andrade, Edmilson Dias de Freitas, University of São Paulo.

Broadband Light Scattering and Cavity Ring-Down Spectroscopy Measurements on Single Light-Absorbing Aerosol Particles. AIDAN RAFFERTY, Andrew J. Orr-Ewing, Jonathan P. Reid, Michael Cotterell, University of Oxford.

Capillary Condensation as an Unaccounted Pathway for Rapid Aging of Atmospheric Soot. ELLA IVANOVA, Egor Demidov, Nicole Riemer, Gennady Gor, Alexei Khalizov, New Jersey Institute of Technology.

Chemical Composition and Mixing State of Wintertime Aerosol from the European Arctic Site of Ny-Ålesund. ZHENLI LAI, Zezhen Cheng, Nurun Nahar Lata, Mauro Mazzola, Stefania Gilardoni, Swarup China, Pacific Northwest National Laboratory.

Collection Of Condensed Vapors from Biomass Slow Pyrolysis Processes. Muhammad Wasiq Riaz, Andrea Facchin, Vincenzo Gentile, Cristian Torri, PAOLO TRONVILLE, Politecnico di Torino.

Controlling Factors for Smoke Emissions from Urban and Wildland Fuels. CHRISTIAN CARRICO, John Ryan Himes, Sabina Gulick, Allison Aiken, Katherine Benedict, Kyle Gorkowski, James E. Lee, Alexander Josephson, Jon Reisner, Manvendra Dubey, New Mexico Institute of Mining and Technology.

Deconvolution of Post-Detonation Mixtures of Soot. MADELINE STRICKLIN, Ryan Farley, James E. Lee, Rachel Huber, Allison Aiken, Los Alamos National Laboratory.

Detection of and Protection from Extreme VOC "Spikes" Generated during Everyday Cooking, Cleaning, and Artistic Activities. Sonam Devabhaktuni, Sathyaraj Devabhaktuni, DEVABHAKTUNI SRIKRISHNA, Patient Knowhow, Inc..

Direct Observation of Increased Aloft Organic Dinitrates and Oxidized Organosulfates from the Southern Great Plains and TRACER Campaign. GREGORY W. VANDERGRIFT, Darielle Dexheimer, Damao Zhang, Zezhen Cheng, Nurun Nahar Lata, Mickey Rogers, ManishKumar Shrivastava, Jie Zhang, Brian Gaudet, Fan Mei, Lindsay Yee, Allen Goldstein, Swarup China, Pacific Northwest National Laboratory.

Direct Observation of Wintertime Secondary Formation of Sulfate in Ambient Aerosols in Fairbanks, Alaska. JINGQIU MAO, Kunal Bali, James Campbell, Ellis Robinson, Peter F. DeCarlo, Amna Ljaz, Brice Temime-Roussel, Barbara D'Anna, William Simpson, Athanasios Nenes, Rodney J. Weber, University of Alaska Fairbanks.

Discrete Element Method Model for Restructuring of Soot Aggregates. EGOR DEMIDOV, Gennady Gor, Alexei Khalizov, New Jersey Institute of Technology.

Effect of Iron-Containing Mineral Dust on Photodegradation of Secondary Organic Aerosols. ANTHONY JUE, Sergey Nizkorodov, University of California, Irvine.

Effect of Vehicular Electrification on Air Quality in Florida. SHREYA SAPKOTA DHAKAL, Prashant Shekhar, Haofei Yu, Marwa El-Sayed, Embry-Riddle Aeronautical University.

Electron Microscopy Imaging of Lab-generated Aerosol Particles. Amrita Chakraborty, Deepak Sapkota, Yuhui Guo, James Hu, Harris Xie, Ian Wu, Zhenpeng Qin, HUI OUYANG, University of Texas at Dallas.

Embedding Pd into Flame-Aerosol Made and Leached Nanostructured Tin Oxide Particles Drastically Enhances Gas Sensing. Katarzyna Jabłczyńska, Christian Kubsch, Alexander Gogos, SOTIRIS E. PRATSINIS, ETH Zurich, Switzerland.

Emission Inventories Underestimate Black Carbon in the Global South as Revealed by Comparison of Simulations with Measurements from a Globally Distributed Network. YUXUAN REN, Randall Martin, Christopher Oxford, Dandan Zhang, Xuan Liu, Ann M. Dillner, Rajan K. Chakrabarty, Sina Hasheminassab, David Diner, Joshin Kumar, Valerie Viteri, Washington University in St. Louis.

Enhanced Particle Removal by Electrosprayed Charged Droplets in a Scrubber. JOON YUB KIM, Myong-Hwa Lee, Kangwon National University.

How the Use of an Atmospheric Smog Chamber Allows Us to Investigate the Impact of Urban Air Pollution on the Exacerbation of Pulmonary Fibrosis. AMBRE DELATER, Zakaria Maakoul, Elie Al Marj, Aline Gratien, Lucy Gerard, Juan Camilo Macias Rodriguez, Mathieu Cazaunau, Edouard Pangui, Antonin Berger, Cécile Gaimoz, Bénédicte Picquet-Varrault, Dominique Marchant, Jean-François Bernaudin, Emilie Boncoeur, Clément Buissot, Audrey Der Vartanian, Sophie Lanone, Patrice Coll, Carole Planes, Nicolas Voituron, Université Paris Cité and Univ Paris Est Creteil, CNRS, LISA.

Hygroscopicity Prediction Impacted by Particle Mixing in Sub-urban Environment (HIMS). SHRAVAN DESHMUKH, Laurent Poulain, Birgit Wehner, Silvia Henning, Jean-Eudes Petit, Olivier Favez, Hartmut Herrmann, Mira L. Pöhlker, Leibniz Institute for Tropospheric Research, Leipzig,Germany.

Improvements in Airborne Aerosol and Trace Gas Measurement Capabilities on the University of Wyoming’s Next Generation King Air Research Aircraft. ANNA ROBERTSON, Eric Beamesderfer, Matthew Burkhart, Bart Geerts, Nicholas Mahon, University of Wyoming.

Light-Absorbing Aerosol-Cloud Interactions. SHREYA JOSHI, Lynn Mazzoleni, Will Cantrell, Raymond Shaw, Simeon Schum, Thusitha Divisekara, Ian Helman, Abu Sayeed Md Shawon, Kyle Gorkowski, Timothy Onasch, Arthur J. Sedlacek, Ogochukwu Enekwizu, Yangang Liu, Laura Fierce, Payton Beeler, Kadja Flore Gali, Swarup China, Nurun Nahar Lata, Gregory W. Vandergrift, Gourihar Kulkarni, Claudio Mazzoleni, Michigan Technological University.

Measurements of Airborne Fine Dust and Ultrafine Particles at a Seaport in Southern Italy. VOLKER ZIEGLER, Henrik Hof, Alessandra Genga, Tiziana Siciliano, Michele Gianelli, Palas GmbH, Karlsruhe, Germany.

Microenvironmental Apportionment Explains Demographic Differences in PM2.5 Exposure within a Rural Rwandan Biomass Burning Community. KY TANNER, Maggie L Clark, Vincent Cleveland, Egide Kalisa, Christian L'Orange, Richard Mori, Theoneste Ntakirutimana, Casey Quinn, Christian Sewor, Kellin Slater, Jessica Tryner, Rebecca Witinok-Huber, Bonnie Young, John Volckens, Colorado State University.

Monitoring and Diagnostic Tools for Aerosol Beams from Different Aerodynamic Lenses. DONGWOOK KIM, Pedro Campuzano-Jost, Hongyu Guo, Leah Williams, Philip Croteau, John Jayne, Douglas Worsnop, Jose-Luis Jimenez, University of Colorado, Boulder.

Multiphase Reactivity of Benzotriazole Ultraviolet Stabilizers. YAO YAN HUANG, Jonathan Abbatt, University of Toronto.

Optical properties of Aluminum Oxide Aerosols: A Candidate for Stratospheric Aerosol Injection. TAVEEN KAPOOR, Prabhav Upadhyay, Benjamin Sumlin, Dhruv Mitroo, Guodong Ren, Rohan Mishra, Rajan K. Chakrabarty, Washington University in St. Louis.

Ozone and Secondary Organic Aerosol Production from a 222 nm Germicidal Lamp in the Presence of Scrubbers. NADIA TAHSINI, Matthew Goss, Seamus Frey, Selena Zhang, M. Pang, Richard Williamson, Jesse Kroll, MIT.

Photochemical Aging Enhances the Viscosity of Biomass Burning Organic Aerosol. NEALAN GERREBOS, Sepehr Nikkho, Lyle Browning, Julia Zaks, Changda Wu, Allan K. Bertram, University of British Columbia.

Quantifying Sulfur and Bioaerosol Emissions from Sargassum Strandings in South Florida. SHAHAR TSAMERET, Nohhyeon Kwak, Brittany Mc Intyre, Rivka Reiner, Helena Solo-Gabriele, Jiayu Li, University of Miami.

Regional Distributions of Atmospheric Emission, Concentration, and Deposition of Particulate Elements in the Canadian Athabasca Oil Sands Region. LEIMING ZHANG, Abdulla Al Mamun, Irene Cheng, Fuquan Yang, Xin Qiu, Environment and Climate Change Canada.

Simulation of Aerosol Flow in a Nose-only Inhalation Exposure System Using Ansys Computational Fluid Dynamics (CFD) Software. SEONGGI MIN, Dong-Jin Yang, Jae-Hyun Kim, Gregory Pellar, Jinghai Yi, Susan Chemerynski, Steven Yee, Reema Goel, Pamela Roqué, Prabha Kc, NCTR/FDA.

Soot Restructuring in Condensation-Evaporation Cycles. ALEXEI KHALIZOV, Ali Hasani, Egor Demidov, New Jersey Institute of Technology.

Stratosphere and Troposphere Aerosol Exposure Studies (STAES). ANDRES SANCHEZ, Sandia National Laboratories.

Survey of Accumulation Mode Particulate Halogens (I, Br, Cl) over the Remote Atmosphere. DONGWOOK KIM, Pedro Campuzano-Jost, Benjamin A. Nault, Douglas A. Day, Michael Cubison, Jack Dibb, Yuk Chun Chan, Lyatt Jaegle, Thomas Ryerson, Alessandro Franchin, Eric Apel, Rebecca Hornbrook, Alan Hills, Donald Blake, Lee Mauldin, Yandong Tong, Rainer M. Volkamer, Jose-Luis Jimenez, University of Colorado, Boulder.

The Chemical Fate of Sulfur in Thiophene Against Nitrate Radical Oxidation. MICHAEL LUM, Kunpeng Chen, Bradley Ries, Linhui Tian, Raphael Mayorga, Yumeng Cui, Nilofar Raeofy, David Cocker, Haofei Zhang, Roya Bahreini, Ying-Hsuan Lin, University of California, Riverside.

Validity for Detecting DPF Failure by Measuring Particle Number in Tailpipe. Kenta Hasegawa, HIROYUKI YAMADA, Tokyo Denki University Gradulate School.