Russell R Dickerson¹, Xinrong Ren², Ross J Salawitch¹, Timothy Canty³, Hao He⁴, Doyeon Ahn⁵, Philip Stratton³, Dolly L Hall³, Ning Zeng⁶, Joel Dreessen⁷, Israel Lopez-Coto⁸, Anna Karion⁸, James R Whetstone⁸, Colm Sweeney⁹, Ariel F Stein¹⁰, Winston T Luke¹¹, Eric A Kort¹², Paul Shepson¹³ and Brian C McDonald¹⁴, (1)University of Maryland, AOSC and Chemistry, College Park, MD, United States, (2)NOAA Science Center, College Park, MD, United States, (3)University of Maryland, College Park, MD, United States, (4)University of Maryland College Park, Department of Atmospheric and Oceanic Science, College Park, MD, United States, (5)University of Maryland College Park, College Park, MD, United States, (6)University of Maryland, Department of Atmospheric and Oceanic Science, College Park, United States, (7)Maryland Department of the Environment, Air Monitoring Program, Baltimore, MD, United States, (8)National Institute of Standards and Technology Gaithersburg, Gaithersburg, MD, United States, (9)NOAA Global Monitoring Laboratory, Boulder, CO, United States, (10)NOAA Air Resources Laboratory, College Park, MD, United States, (11)NOAA-Air Resources Lab, Silver Spring, MD, United States, (12)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, (13)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States, (14)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States

Xinrong Ren¹, Philip Stratton², Hannah Daley², Russell R Dickerson³, Brian C McDonald⁴, Jessica Gilman⁵, Aaron Lamplugh⁶, Ariel F Stein¹, Joel Dreessen⁷ and George Allen⁸, (1)NOAA Air Resources Laboratory, College Park, MD, United States, (2)University of Maryland, College Park, MD, United States, (3)University of Maryland, AOSC and Chemistry, College Park, MD, United States, (4)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, (5)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, (6)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (7)Maryland Department of the Environment, Air Monitoring Program, Baltimore, MD, United States, (8)NESCAUM, Boston, United States

Hannah Daley¹, Russell R. Dickerson², Xinrong Ren³, Ross J Salawitch², Timothy Canty¹, Brian C McDonald⁴, Dolly L Hall¹, Courtney Grimes¹ and Philip Stratton¹, (1)University of Maryland, College Park, MD, United States, (2)University of Maryland, AOSC and Chemistry, College Park, MD, United States, (3)NOAA Science Center, College Park, MD, United States, (4)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States

Christopher M Kenseth¹, Benjamin Schulze¹, Yuanlong Huang¹, Harrison Parker¹, John D Crounse², Paul Van Rooy³, Barbara Barletta⁴, Simone Meinardi⁴, Donald Ray Blake⁴, Kelley Barsanti³, Paul O Wennberg² and John Seinfeld¹, (1)California Institute of Technology, Pasadena, CA, United States, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (3)University of California Riverside, Riverside, CA, United States, (4)University of California Irvine, Irvine, CA, United States

Ann Middlebrook¹, Kenneth C. Aikin^2,3, Raul J Alvarez II¹, Elizabeth Asher^1,4, Megan Bela^1,5, Charles A Brock⁶, Steven S Brown⁷, Matthew Mitchell Coggon^8,9, Delphine Farmer¹⁰, Jessica Gilman¹, Georgios Gkatzelis¹¹, Katherine Lynne Hayden¹², Jian He¹³, Aaron Lamplugh¹¹, Andrew O'Neil Langford¹⁴, Meng Li¹⁵, Brandi McCarty^1,16, Brian C McDonald¹⁵, Stuart A McKeen¹⁷, Jeff Peischl¹¹, James Roberts¹⁸, Michael A Robinson¹¹, Andrew W Rollins⁹, Rebecca Schwantes¹⁹, Christoph J Senff^1,20, Troy D Thornberry^9,21, Michael Trainer² and Carsten Warneke¹¹, (1)NOAA Chemical Sciences Laboratory, Boulder, CO, United States, (2)Chemical Sciences Laboratory, NOAA Earth System Research Laboratories, Boulder, CO, United States, (3)Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, United States, (4)Cooperative Institute for Research in Environmental Sciences, Chemical Sciences Division, Boulder, CO, United States, (5)Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado, Boulder, CO, United States, (6)NOAA Chemical Sciences Laboratory, Boulder, United States, (7)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, (8)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (9)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (10)Department of Chemistry, Colorado State University, Fort Collins, CO, United States, (11)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (12)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (13)Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado and NOAA ESRL Chemical Sciences Laboratory, Boulder, United States, (14)NOAA Earth System Research Laboratory, Boulder, CO, United States, (15)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, (16)Cooperative Institute for research in Environmental Sciences, University of Colorado, Boulder, United States, (17)NOAA ESRL/CSL and CU Boulder/CIRES, Boulder, CO, United States, (18)NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (19)Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado and NOAA ESRL Chemical Sciences Laboratory, Boulder, CO, United States, (20)Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, United States, (21)Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, United States

Aaron Lamplugh¹, Matthew Mitchell Coggon¹, Georgios Gkatzelis¹, Jeff Peischl¹, Kenneth C. Aikin², Michael A Robinson¹, Andrew W Rollins³, Carsten Warneke¹, Steven S Brown⁴ and Jessica Gilman⁴, (1)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (2)University of Colorado at Boulder, CIRES, Boulder, CO, United States, (3)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (4)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States

Manjula R Canagaratna, Jordan E. Krechmer, Francesca Majluf, Edward Fortner, Conner Daube, Tara Irene Yacovitch and Scott C. Herndon, Aerodyne Research Inc., Billerica, MA, United States

Jean Rivera-Rios¹, Taekyu Joo², Tianchang Xu³, Masayuki Takeuchi⁴, Yuyang Peng⁴, Jennifer Kaiser⁵ and Nga Lee Ng⁶, (1)Georgia Institute of Technology Main Campus, School of Chemical and Biomolecular Engineering, Atlanta, GA, United States, (2)Georgia Institute of Technology Main Campus, School of Earth and Atmospheric Sciences, Atlanta, United States, (3)Georgia Institute of Technology Main Campus, School of Chemical and Biomolecular Engineering, Atlanta, United States, (4)Georgia Institute of Technology Main Campus, School of Civil and Environmental Engineering, Atlanta, GA, United States, (5)Georgia Institute of Technology Main Campus, School of Civil and Environmental Engineering, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (6)Georgia Institute of Technology Main Campus, School of Chemical and Biomolecular Engineering, School of Civil and Environmental Engineering, School of Earth and Atmospheric Sciences, Atlanta, GA, United States

Yuyang Peng¹, Asher Paul Mouat¹, Tianchang Xu², Jean Rivera-Rios³, Masayuki Takeuchi¹, Nga Lee Ng⁴ and Jennifer Kaiser⁵, (1)Georgia Institute of Technology Main Campus, School of Civil and Environmental Engineering, Atlanta, GA, United States, (2)Georgia Institute of Technology Main Campus, School of Chemical and Biomolecular Engineering, Atlanta, United States, (3)Georgia Institute of Technology Main Campus, School of Chemical and Biomolecular Engineering, Atlanta, GA, United States, (4)Georgia Institute of Technology, Schools of Chemical and Biomolecular Engineering & Earth and Atmospheric Sciences, Atlanta, GA, United States, (5)Georgia Institute of Technology Main Campus, School of Civil and Environmental Engineering, School of Earth and Atmospheric Sciences, Atlanta, GA, United States