Highlights from the St. Louis Air Quality Regional Study (SLAQRS) 2013. BRENT WILLIAMS, Dhruv Mitroo, Raul Martinez, Yaping Zhang, Michael Walker, Christopher Oxford, Xiaochen Zuo, David Hagan, Steven Dhawan, Li Du, Jay Turner, Gavin McMeeking, Laura King, Hongyu Guo, Rodney Weber, Munkhbayar Baasandorj, Lu Hu, Dylan Millet, Washington University in St. Louis