SESSION 27

HYDROGEOLOGIC AND GEOCHEMICAL ASPECTS OF WASTE DISPOSAL

Co-chairs: Randy L. Bassett, University of Arizona;
Adrian H. Bath, Golder Associates (UK)

1. Rate Limited Isotopic Exchange Involving Natural Uranium in the Apache Leap Tuff--Ernest Hardin, Randy Bassett, University of Arizona; Michael Murrell, LANL

2. Representative Recharge Rates in a Complex Unsaturated Hydrogeology--E. Vold, K. Birdsell, B. Gallaher, D. Krier, P. Longmire, B. Newman, D. Rogers, E. Springer, LANL

3. Design of Concrete Vaults for Lower Cost and Improved Long Term Performance--John Walton, Ahmad Arif Shahjahan, Saifuddin Ahmed, Aida Velasquez, David LeMone, University of Texas at El Paso

4. Application of Geochemical Data and Modeling in Performance Assessments of Low-Level Radioactive Waste Disposal Facilities--Andrew C. Campbell, NRC; Kenneth M. Krupka, PNNL

5. Hydrochemical Evidence for the Evolution of Variable Density Groundwater at a Potential Deep Repository Site--Anna Littleboy, NIREX; Adrian Bath, Golder Associates (UK)