Source Apportionment of Volatile Organic Compounds and PM2.5 Using Positive Matrix Factorization in Two National Parks Impacted by Oil and Natural Gas Drilling Operations

Ashley Evanoski-Cole1, Anthony J Prenni2, Barkley C Sive3, Yong Zhou1, Katherine Beem Benedict4, Derek Day5, Misha Schurman BOEHM6, Amy Sullivan7, Yi Li5, Sara Lynn Callahan8, Jenny L Hand9, Kristi A Gebhart9, Bret A Schichtel2, Emily V Fischer1 and Jeffrey Lee Collett Jr5, (1)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (2)National Park Service, Air Resources Division, Denver, CO, United States, (3)National Park Service Denver Service Center, Denver, CO, United States, (4)University of California Davis, Davis, CA, United States, (5)Colorado State University, Fort Collins, CO, United States, (6)Hong Kong University of Science and Technology, Hong Kong, Hong Kong, (7)Colorado State University, Department of Atmospheric Science, Fort Collins, United States, (8)Harold Washington College, Chicago, IL, United States, (9)National Park Service Fort Collins, Air Resources Division, Fort Collins, CO, United States