James B Shanley, USGS, Montpelier, VT, United States, Peter A Raymond, Yale University, New Haven, CT, United States, Kevin A Ryan, Northeastern University, Boston, MA, United States, Ann Chalmers, USGS New Hampshire/Vermont Water Science Center, Pembroke, NH, United States, Aron Stubbins, Northeastern University, Departments of Marine and Environmental Sciences, Chemistry and Chemical Biology, and Civil and Environmental Engineering, Boston, MA, United States, Sasha Wagner, Rensselaer Polytechnic Institute, Department of Earth and Environmental Sciences, Troy, NY, United States and Jennifer Fair, USGS, Amherst, MA, United States