SANDIA REPORT SAND2010-4687 Unlimited Release Printed July 2010 Initial inclusion of thermodynamic considerations in Kayenta T.J. Fuller, R.M. Brannon, O.E. Strack, J.E. Bishop Prepared by Sandia National Laboratories Albuquerque, New Mexico 87185 and Livermore, California 94550 Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-AC04-94AL85000. Approved for public release; further dissemination unlimited.