(Group 1, Poster Board #226) Assessing Water Quality in a Dewatering Mine Pit Lake Using UAS and Remote Monitoring Technology M. de Kozlowski

(Group 1, Poster Board #231) In Situ Chemical Immobilization of Arsenic in Groundwater A. Rogers · R. Mayer · T. Ladaa · A. Barchowsky · E. Stine · J. Tarbert

(Group 1, Poster Board #225) Investigating Uranium and Hydroxyapatite Interactions to Support Groundwater Remediation at the Old Rifle Site O. Bustillo · R. Gudavalli · H. Gonzalez Raymat

(Group 1, Poster Board #230) Lessons Learned from Monitoring Airborne Mercury and Meteorological Conditions during Large-Scale Remediation of a Former PVC Plant H. Meron · R. Mandelbaum · M. Halman

(Group 1, Poster Board #229) In Situ Chemical Reduction of Hexavalent Chromium and Trichloroethene in a Brazilian Contaminated Site: Lessons from a Field Case Study I. Mello · C. Goncalves

(Group 1, Poster Board#243) Pilot Test of a Novel Technology for the Removal of Manganese and Iron from Mining Wastewaters E. Carvalho · M. Rocha