Air Quality Around Wisconsin Frac Sand Mines: Industry and Academic Research Findings 15 June 2016 Crispin Pierce PhD, Ethan Fuhrman, Jacob Kentnich, Pang Houa Xiong Yang, Hannah Renee Brown, Maryanne Cowart, Hannah Smith, Peter Husnik, Joshua Burns, Ruijian Liang, John Awad, Jonathan Dahlen University of Wisconsin-Eau Claire