Source Apportionment

Air Quality and Profile of Inorganic Composition of PM2.5 and Source Apportionment in Karachi, Pakistan. FATIM SANNOH, Zafar Fatmi, David Carpenter, Azhar Siddique, Kamran Khan, Jahan Zeb, Muhayatun Santoso, Mirza M. Hussain, Haider Khwaja, University at Albany

Atmospheric Science and Chemistry mEasurement NeTwork (ASCENT): A New Ground-based High Time-resolution Air Quality Monitoring Network. NGA LEE NG, Ann Dillner, Roya Bahreini, Armistead G. Russell, Jeff de La Beaujardiere, James Flynn, Drew Gentner, Robert Griffin, Lelia Hawkins, Jose-Luis Jimenez, Jingqiu Mao, Shane Murphy, Eric Nienhouse, Albert Presto, Sean Raffuse, Allen Robinson, John Seinfeld, Jason Surratt, Joel A. Thornton, Bridget Thrasher, Georgia Institute of Technology

Biomass Burning Emissions Are a Main Driver of the PM2.5 Pollution Problem in the San Joaquin Valley of California. JUSTIN TROUSDELL, Lijuan Li, Keming Pan, Qi Zhang, University of California, Davis

Characterization of PM2.5 and PM10 near California Highways with a Focus on Non-Tailpipe Emissions. XIAOLIANG WANG, Steven Gronstal, Brenda Lopez, Heejung Jung, L.W. Antony Chen, Steven Sai Hang Ho, Judith Chow, John Watson, Chas Frederickson, David Mendez-Jimenez, Tianyi Ma, Ling Cobb, Qi Yao, Seungju Yoon, Desert Research Institute

Computation of Numerically Exact First- and Second-Order Sensitivities of Biogenic Aerosols Formation Using a Column Model Version of CMAQ-hyd. JIACHEN LIU, Eric Chen, Ryan Russell, Shannon Capps, Drexel University

Developing and Testing Machine Learning Algorithms to Process SEM-EDX Images. BORIS GALVIS, Natali Zambrano, David Restrepo, Olga Lucia Quintero Montoya, Nestor Rojas, Elena Montilla Rosero, Jose Duque, Universidad de La Salle

Development of a Database for Factor Analysis-Derived Profiles from TAG Measurements. MICHAEL WALKER, Claire Fortenberry, Brent Williams, Washington University in St. Louis

Evaluating the Trends in Sources of Ambient Particle-Bound Metals in the Environmental Justice Community of Paramount, CA, during Pre- and Post-COVID-19 Lockdown Periods. MOHAMMAD SOWLAT, Sina Hasheminassab, Bill Grant, Payam Pakbin, Jason Low, Andrea Polidori, South Coast Air Quality Management District

Impacts of COVID-19 Pandemic on Concentrations and Sources of PM2.5 and VOCs in NYC Metro Area. MD. AYNUL BARI, Ethan Gerber, Wai Tung, Sanchita Paul, University at Albany, SUNY

Issues with the OC and EC Fraction Data in Recent CSN Data. PHILIP K. HOPKE, Yunle Chen, David Q. Rich, Judith Chow, University of Rochester

Metallic Trace Elements Shipping Profile by PM1 Source Apportionment in a Mediterranean Port City. LISE LE BERRE, Benjamin Chazeau, Brice Temime-Roussel, Grazia Maria Lanzafame, Alexandre Armengaud, Stéphane Sauvage, Leonidas Ntziachristos, Nicolas Marchand, Barbara D'Anna, Henri Wortham, Aix Marseille Univ, CNRS, LCE, Marseille, France

Polycyclic Aromatic Hydrocarbons in Background Air – A Single-particle Study on Their Sources and Atmospheric Processing in Northern Europe. JOHANNES PASSIG, Julian Schade, Robert Irsig, Thomas Kröger-Badge, Hendryk Czech, Henrik Fallgren, Jana Moldanova, Martin Sklorz, Thorsten Streibel, Andreas Walte, Ralf Zimmermann, Helmholtz Zentrum München and University of Rostock

Real-time Analysis and Clustering of Single-particle Mass Spectrometer Data. Paul Haubenwallner, Ellen-Iva Rosewig, Robert Irsig, Johannes Passig, Sven Ehlert, Andreas Walte, RALF ZIMMERMANN, Rostock University and Photonion GmbH

Source Apportionment of Fine Aerosols (PM2.5) with a Bayesian Mixing Model for Major Sources over the Northeast Asia. JOOSUNG OH, Kyung Hwan Kim, Gwi-Nam Bae, Korea Institute of Science and Technology (KIST)

Source Apportionment of PM2.5 in Ambient Concentration in Lahore, Pakistan. WAJIH UR REHMAN, COMSATS University Islamabad

Source Apportionment of PM2.5 in Seoul, South Korea and Beijing, China Using Dispersion Normalized PMF. JIEUN PARK, Hyewon Kim, Youngkwon Kim, Jongbae Heo, Sang-Woo Kim, Kwon Ho Jeon, Seung-Muk Yi, Philip K. Hopke, Harvard University

Source Apportionment of PM2.5 using Dispersion Normalized Positive Matrix Factorization (DN-PMF) at Beijing and Baoding in China. ILHAN RYOO, Jieun Park, Taeyeon Kim, Jiwon Ryu, Yeonseung Cheong, Hyewon Park, Kwon Ho Jeon, Jae-Hyun Lim, Seung-Muk Yi, Sang-Rin Lee, Seoul National University

Transport and Transformation of Atmospheric Aerosol across Central Europe with Emphasis on Anthropogenic Sources (TRACE). SHUBHI ARORA, Leibniz Institute of Tropospheric Research

Understanding the Sources and Light Absorption Properties of Brown Carbon Aerosols via Source Apportionment Analysis of Combined AMS and UV-vis Measurements. WENQING JIANG, Christopher Niedek, Lan Ma, Cort Anastasio, Qi Zhang, University of California, Davis