HOWARD, Ken W.F., Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, ON M1C 1A4 Canada, gwater@utsc.utoronto.ca

GELLASCH, Christopher A.¹, WANG, Herb F.², BRADBURY, Kenneth R.³, and BAHR, Jean M.¹, (1) Department of Geoscience, University of Wisconsin, 1215 W. Dayton St, Madison, WI 53706, gellasch@wisc.edu, (2) Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706, (3) Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension, 3817 Mineral Point Rd, Madison, WI 53705

SHARP, John M. Jr, Department of Geological Sciences, The University of Texas, 1 University Station, Austin, TX 78712-0254, jmsharp@jsg.utexas.edu

REISCH, Chad E., Pennsylvania Department of Environmental Protection, Harrisburg, PA 17101, cereisch@gmail.com and TORAN, Laura, Earth and Environmental Science, Temple University, Philadelphia, PA 19122

SNATIC, Jonathan W., Department of Geological Sciences, The University of Texas at Austin, 5704 Toscana Ave, Austin, TX 78724, jwsnatic@gmail.com, SHARP, John M. Jr, Department of Geological Sciences, The Univ. of Texas, Jackson School of Geosciences, Austin, TX 78701, and BANNER, Jay L., Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712

ANDERSON, Jacob¹, HON, Rudolph², DILLON, Peter³, BESANCON, James⁴, and MCINNIS, John R.³, (1) Earth & Environmental Sciences, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA 02467, jacob.anderson10@gmail.com, (2) Earth and Environmental Sciences, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA 02467, (3) Norwell Water Department, Town of Norwell, 345 Main Street, Norwell, MA 02061, (4) Wellesley College, 106 Central St, Wellesley, MA 02481

KAHRMANN-ZADAK, Hanna B., Geological Resources Inc, 2301 Crown Point Executive Drive, Suite F, Charlotte, NC 28227, hkz@geologicalresourcesinc.com and RAYNE, Todd W., Geosciences Department, Hamilton College, 198 College Hill Road, Clinton, NY 13323

WONG, Corinne I.¹, MUSGROVE, MaryLynn², MAHLER, Barbara J.², and BANNER, Jay L.¹, (1) Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712, ciwong@utexas.edu, (2) U.S. Geological Survey, 1505 Ferguson Lane, Austin, TX 78754

WALL, Andrew J.¹, CAPO, Rosemary C.², STEWART, Brian W.², LAVIN, Sarah M.², HAKALA, J. Alexandra¹, SCHROEDER, Karl T.³, CASSON, Leonard W.⁴, MONNELL, Jason D.⁴, and STATES, Stanley⁵, (1) Geosciences Division, Office of Research and Development, National Energy Technology Laboratory - U.S. Department of Energy, Pittsburgh, PA 15236, andywall@pitt.edu, (2) Department of Geology & Planetary Science, University of Pittsburgh, Pittsburgh, PA 15260, (3) National Energy Technology Laboratory - U.S. Department of Energy, Pittsburgh, PA 15236, (4) Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA 15260, (5) Pittsburgh Water and Sewer Authority, Pittsburgh, PA 15222

TORAN, Laura, Earth and Environmental Science, Temple University, Philadelphia, PA 19122, ltoran@temple.edu

SANTIKARI, Vijay P., MURDOCH, Lawrence C., and SCHLAUTMAN, Mark A., Environmental Engineering and Earth Sciences, Clemson University, 340 Brackett Hall, Clemson, SC 29634, vsantik@clemson.edu

GALICKI, Stan J., Department of Geology, Millsaps College, 1701 N. State St, Jackson, MS 39210, galics@millsaps.edu and BERCH, Hunter C., Geology & Geophysics, Louisiana State University, Baton Rouge, LA 70803

TAGUE, Christina and SHIELDS, Catherine, Bren School of Environmental Science and Management, University of California-Santa Barbara, Santa Barbara, CA 93106, ctague@bren.ucsb.edu

BOOTH, Derek B.¹, KRASESKI, Kristin A.², BAHN, Robert A.², and JACKSON, C. Rhett², (1) Bren School of Environmental Science and Management, 4033 Bren Hall, UC Santa Barbara, Santa Barbara, WA 93106, (2) University of Georgia, Warnell School of Forestry and Natural Resources, Athens, GA 30602, kraseski@uga.edu