Transport of soluble species through tuff core

This letter report presents and summarizes the results of flow and tracer tests using a core sample of Topopah Spring tuff containing a saw-cut fracture. A dilute Na-Cl-HCO{sub 3} solution containing Br{sup -} or I{sup -} tracer was eluted through the core under constant flow conditions (0.1, 0.2, 2.0 mL/h) and at three temperatures (23, 59, 92 {degrees}C). A more complete analysis of these data and the implications of these results for transport of soluble species in the Topopah Spring tuff in the Near Field Environment (NFE) will be reported in the synthesis on Integrated Testing activities to be included in the NFE report