Shantanu Jathar¹, Ali Akherati², Yicong He², Jeffrey R Pierce³, Matthew Coggon⁴, Abigail Koss⁵, Carsten Warneke⁶, Joost de Gouw⁷, Timothy Bruce Onasch⁸, Scott C. Herndon⁹, Christopher D Cappa¹⁰, Michael Kleeman¹¹, Lindsay Yee¹², John Seinfeld¹³, Christopher Y Lim¹⁴ and Jesse H Kroll¹⁵, (1)Colorado State University, Mechanical Engineering, Fort Collins, CO, United States, (2)Colorado State University, Fort Collins, United States, (3)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (4)NOAA Boulder, Boulder, CO, United States, (5)University of Colorado at Boulder, Boulder, CO, United States, (6)NOAA Chemical Sciences Div., Boulder, CO, United States, (7)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (8)Aerodyne Research, Inc., Billerica, MA, United States, (9)Aerodyne Research Inc, Billerica, MA, United States, (10)University of California Davis, Civil and Environmental Engineering, Davis, CA, United States, (11)University of California Davis, Davis, CA, United States, (12)University of California Berkeley, Department of Environmental Science, Policy, & Management, Berkeley, CA, United States, (13)California Institute of Technology, Pasadena, CA, United States, (14)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (15)Massachusetts Institute of Technology, Cambridge, MA, United States