GALLEGOS, Tanya J., Eastern Energy Resources Science Center, U.S. Geological Survey, 12201 Sunrise Valley Dr, MS 956, Reston, VA 20192, OTTON, James K., U.S. Geological Survey, MS 939 Box 25046, Lakewood, CO 80225, JOHNSON, Raymond H., U.S. Geological Survey, Box 25046, MS 973, Federal Center, Denver, CO 80225 and HALL, Susan M., United States Geological Survey, MS 939, Denver Federal Center, Denver, CO 80225-0046, tgallegos@usgs.gov, tgallegos@usgs.gov

SIMMONS, Ardyth M.¹, HEIKOOP, Jeff² and MILLER, Elizabeth², (1)EP, Los Alamos National Laboratory, Emeritus, P.O. Box 1663, MS-M992, Los Alamos, NM 87501, (2)Earth and Environmental Sciences Division, Los Alamos National Lab, Los Alamos, NM 87545, asimmons@lanl.gov, asimmons@lanl.gov

PELIZZA, Mark S., Uranium Resources, Inc, 405 State Highway 121 Bypass, Building A, Suite 110, Lewisville, TX 75067, mspelizza@uraniumresources.com, mspelizza@uraniumresources.com

ABITZ, Richard J., Savannah River National Laboratory, Savannah River Site, Aiken, SC 29808 and DARLING, Bruce K., SW Geological Consulting Services, 7425 Amanda Ellis Way, Austin, TX 78749, richard.abitz@srnl.doe.gov, richard.abitz@srnl.doe.gov

PLACZEK, Christa J., Clean Chemistry Team 
Nuclear and Radiochemistry, C-NR, 
Los Alamos National Laboratory, MS-J514, Los Alamos, NM 87545, LINHOFF, Benjamin, Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Mail Stop 25, Woods Hole, MA 02543, HEIKOOP, Jeff, Earth and Environmental Sciences Division, Los Alamos National Lab, Los Alamos, NM 87545 and RICIPUTI, Lee R., Clean Chemistry Team 
Nuclear and Radiochemistry, C-NR, MS-J514, Los Alamos, NM 87545, cplaczek@lanl.gov, cplaczek@lanl.gov

MILLER, Andy W.¹, RODRIGUEZ, Derrick R.² and HONEYMAN, Bruce D.², (1)Sandia National Laboratory, P.O. Box 5800, Albuquerque, NM 87185, (2)Environmental Science and Engineering Division, Colorado School of Mines, Laboratory for Applied and Environmental Radiochemistry, Golden, CO 80401, andmill@sandia.gov, andmill@sandia.gov

LONGMIRE, Patrick, Earth and Environmental Sciences Division, Los Alamos National Laboratory, Mail Stop D469, Los Alamos National Laboratory, Los Alamos, NM 87545, plongmire@lanl.gov, plongmire@lanl.gov

SCHRAMKE, Janet A.¹, REIMANN, Lawrence², CLAY, James², MOODY, David² and LEWIS, Robert L.¹, (1)WorleyParsons, 1687 Cole Blvd, Suite 300, Golden, CO 80401, (2)Cameco Resources, 400 East 1st Street, Casper, WY 82601, ja_schramke@enchemica.com, ja_schramke@enchemica.com

TARRELL, Alejandra, Div. of Environmental Science and Engineering, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401, FIGUEROA, Linda, Div. of Environmental Science & Engineering, Colorado School of Mines, Golden, CO 80401 and GILLOW, Jeffrey, ARCADIS U.S., Inc, 630 Plaza Drive, Suite 100, Highlands Ranch, CO 80129, atarrell@mines.edu, atarrell@mines.edu

JOHNSON, Raymond H.¹, YOSHINO, Miori E.¹, HALL, Susan M.² and SHEA, Valois R.³, (1)Geologic Discipline, Crustal Geophysics and Geochemistry Science Center, U.S. Geological Survey, Denver Federal Center, PO Box 25046, MS 964D, Denver, CO 80225, (2)Geologic Discipline, Central Energy Resources Science Center, U.S. Geological Survey, PO Box 25046, Denver Federal Center, MS 939, Denver, CO 80225, (3)UIC Program, U. S. Environmental Protection Agency, 1595 Wynkoop St, Denver, CO 80202, rhjohnso@usgs.gov, rhjohnso@usgs.gov

SIEGEL, Malcolm D., Radiological Consequence Management, Sandia National Laboratories, P.O Box 5800 MS-0779, Albuquerque, NM 87185, LI, Ming-Hsu, Institute of Hydrological and Oceanic Sciences, National Central University, #300 Jhongda Rd, Jhongli City, 320, Taiwan and YEH, G.T., Department of Civil and Environmental Engineering, University of Central Florida, Orlando, FL 32816-2450, msiegel@sandia.gov, msiegel@sandia.gov

SPRENG, Carl, Colorado Department of Public Health and Environment, 4300 Cherry Creek Drive South, Denver, CO 80246-1530 and GOSWAMI, Dibakar, Nuclear Waste Program, Washington State Department of Ecology, Richland, WA 99354, carl.spreng@state.co.us, carl.spreng@state.co.us