Erin E. Tullos¹, Sam Aminfard², Felipe J Cardoso-Saldaña³, David Allen⁴, Isabel Mogstad⁵, Langley DeWitt⁶, Bradley Flowers⁶, Scott C. Herndon⁷, Anna Scott⁸, Steve Elms⁹ and Brendan Smith¹⁰, (1)ExxonMobil Houston, ExxonMobil Upstream Research Company, Spring, TX, United States, (2)ExxonMobil Upstream Research Company, Spring, United States, (3)University of Texas at Austin, Austin, United States, (4)University of Texas at Austin, Austin, TX, United States, (5)Environmental Defense Fund DC, Washington, United States, (6)AECOM, Houston, United States, (7)Aerodyne Research Inc, Billerica, MA, United States, (8)Troposphere Monitoring, Austin, United States, (9)mAIRsure, Ft Collins, United States, (10)SeekOps, Austin, United States