Charles J Weschler, International Centre for Indoor Environment and Energy, Department of Civil Engineering, Technical University of Denmark, Lyngby, Denmark; Rutgers University New Brunswick, Environmental & Occupational Health Sciences Institute, New Brunswick, NJ, United States

Erin Katz^1,2, Hongyu Guo³, Pedro Campuzano-Jost³, Doug A Day³, Wyatt Brown³, Erin Boedicker⁴, Matson A Pothier⁵, David M. Lunderberg⁶, Kanan Patel⁷, Sameer Patel⁸, Lea Hildebrandt Ruiz⁷, Marina Vance⁸, Delphine Farmer⁵, Allen H Goldstein², Jose L Jimenez³ and Peter DeCarlo⁹, (1)Drexel University, Philadelphia, PA, United States, (2)University of California Berkeley, Berkeley, CA, United States, (3)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (4)Colorado State University, Chemistry, Fort Collins, CO, United States, (5)Department of Chemistry, Colorado State University, Fort Collins, CO, United States, (6)UC Berkeley, Berkeley, United States, (7)University of Texas at Austin, McKetta Department of Chemical Engineering, Austin, TX, United States, (8)University of Colorado, Boulder, CO, United States, (9)Johns Hopkins University, Department of Environmental Health and Engineering, Balitmore, MD, United States

Albert Presto¹, Mackenzie Humes¹, Rebecca Gruener², Rishabh U Shah³, Allen L Robinson² and Neil McPherson Donahue⁴, (1)Carnegie Mellon University, Pittsburgh, PA, United States, (2)Carnegie Mellon University, Mechanical Engineering, Pittsburgh, PA, United States, (3)Carnegie Mellon University, Pittsburgh, United States, (4)Carnegie Mellon University, Center for Atmospheric Particle Studies, Pittsburgh, PA, United States

Sophia Charan, Reina S Buenconsejo and John Seinfeld, California Institute of Technology, Pasadena, CA, United States

Rachel E O'Brien¹, Hannah Przelomski², Ying Li³, Kristian Kiland⁴, Gloria Ge², Julia Mesawich², Allan K Bertram⁵ and Manabu Shiraiwa⁶, (1)College of William and Mary, Chemistry, Williamsburg, VA, United States, (2)College of William and Mary, Williamsburg, United States, (3)IAP Insititute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (4)University of British Columbia, Vancouver, Canada, (5)University of British Columbia, Department of Chemistry, Vancouver, BC, Canada, (6)Max-Planck-Institut für Chemie, Mainz, Germany

Caleb Arata¹, Yingjun Liu², Pawel K Misztal^3,4, David M. Lunderberg⁵, Kasper Kristensen⁶, Yilin Tian⁷, Jianyin Xiong⁸, Delphine Farmer⁹, William W Nazaroff¹⁰ and Allen H Goldstein¹, (1)University of California Berkeley, Berkeley, CA, United States, (2)Peking University, College of Environmental Science and Engineering, Beijing, China, (3)UC Berkeley, Berkeley, CA, United States, (4)University of Texas at Austin, Austin, TX, United States, (5)UC Berkeley, Berkeley, United States, (6)Aarhus University, Aarhus, Denmark, (7)University of California Berkeley, Berkeley, United States, (8)Beijing Institute of Technology, Beijing, China, (9)Department of Chemistry, Colorado State University, Fort Collins, CO, United States, (10)Univ California-Berkeley, Berkeley, CA, United States

Joost A de Gouw, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States; University of Colorado at Boulder, Department of Chemistry, Boulder, CO, United States and Tianshu Chen, Shandong University, Environment Research Institute, Jinan, China

Havala Olson Taylor Pye, US EPA, Durham, United States, Karl Seltzer, Environmental Protection Agency, Research Triangle Park, NC, United States, Momei Qin, NUIST Nanjing University of Information Science and Technology, Nanjing, China, Benjamin Murphy, Environmental Protection Agency Research Triangle Park, Research Triangle Park, NC, United States, Elyse Pennington, California Institute of Technology, Pasadena, United States, Venkatesh Rao, USEPA, Office of Air Quality Planning and Standards, RTP, NC, United States and Kristin K Isaacs, Environmental Protection Agency Research Triangle Park, Research Triangle Park, United States