Volatile Organic Compounds (VOCs) in the atmosphere are globally dominated by a number of primary emission sources. These include biogenic sources (e.g. emissions from plants, flowers) or microbial VOCs (mVOCs), as well as anthropogenic and pyrogenic emissions. Once in the atmosphere, VOCs are oxidized and serve as precursors of secondary organic aerosol. They also contribute to the formation of tropospheric ozone, and can affect atmospheric oxidants. Mechanistic understanding of chemical pathways and surface-atmosphere exchange in rural and urban environments requires synergy between measurements at different spatiotemporal scales including laboratory oxidation experiments, embracing the broad diversity of VOC sources in the atmosphere. From a direct health perspective the largest human exposure to VOCs is likely not outdoors but in the indoor atmosphere. The use of solvents and consumer-care products by humans have also emerged as a prominent source of outdoor atmospheric VOCs. Extension of the range of VOCs measured in urban environments reveal large contributions of longer-chain semivolatile VOCs, and recent measurement technologies for extremely low volatility compounds (ELVOC) have bridged the gas-aerosol phase continuum.
We encourage a wide range of submissions of contributions based on in-situ measurements of VOCs at different scales, outdoors and indoors, flux measurements of emission and deposition processes, satellite observations, laboratory experiments and modeling.

Co-organized as BG1.20, co-sponsored by iLEAPS
Convener: Pawel Misztal | Co-conveners: Thomas Karl, Ben Langford, Janne Rinne
| Wed, 10 Apr, 14:00–18:00
Room 0.60
| Attendance Wed, 10 Apr, 10:45–12:30
Hall X5

Wednesday, 10 April 2019 | Room 0.60

Chairperson: Pawel K Misztal, Thomas Karl, Ben Langford, Janne Rinne
14:00–14:15 |
| Highlight
Allen Goldstein, Caleb Arata, Kasper Kristensen, Yingjun Liu, David Lunderberg, Pawel Misztal, Yilin Tian, Jianyin Xiong, and William Nazaroff
14:15–14:30 |
Nicola Carslaw and Magdalena Kruza
14:30–14:45 |
Sarah Haines, Ashleigh Bope, Bridget Hegarty, Charles Weschler, Jordan Peccia, and Karen Dannemiller
14:45–15:00 |
| solicited
| Highlight
Delphine Farmer, James Mattila, Andrew Abeleira, Peter DeCarlo, Erin Katz, Matson Pothier, and Marina Vance
15:00–15:15 |
Rupert Holzinger, Oliver Eppers, Heiko Bozem, Andreas Herber, Andre Ehrlich, Henk Snellen, and Dusan Materic
15:15–15:30 |
W. Joe Acton, Brian Davison, Zhonghui Huang, Zhaoyi Wang, Yanli Zhang, Xinming Wang, Pingqing Fu, Ben Langford, Pawel Misztal, Neil Mullinger, Eiko Nemitz, and Nick Hewitt
15:30–15:45 |
| solicited
Riikka Rinnan, Ida Vedel-Petersen, and Lars L. Iversen
Coffee break
Chairperson: Pawel K Misztal, Thomas Karl, Ben Langford, Janne Rinne
16:15–16:30 |
Alex B. Guenther, Saewung Kim, Xiaoyan Jiang, Sanjeevi Nagalingam, Jesus Campos, and Anne Mielnik
16:30–16:45 |
Heidi Hellén, Arnaud P. Praplan, Toni Tykkä, Simon Schallhart, Jaana Bäck, and Hannele Hakola
17:00–17:15 |
Alexander Zaytsev, Martin Breitenlechner, Abigail R. Koss, Kevin J. Nihill, Christopher Y. Lim, Brian M. Lerner, Jordan Krechmer, James C. Rowe, Joseph R. Roscioli, Jonathan P. Franklin, Joshua L. Cox, Joshua D. Shutter, Joshua Moss, Manjula Canagaratna, Douglas R. Worsnop, Jesse H. Kroll, and Frank N. Keutsch
17:15–17:30 |
Mengze Li, Jonathan Williams, Einar Karu, Carl Brenninkmeijer, Horst Fischer, and Jos Lelieveld
17:30–17:45 |
Trissevgeni Stavrakou, Jean-François Müller, Bruno Franco, Lieven Clarisse, Maite Bauwens, Pierre-François Coheur, and Cathy Clearbaux
17:45–18:00 |
| solicited
Astrid Kiendler-Scharr