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Research in Support of Remediation Activities at the Savannah River Site

^a Savannah River Ecology Lab., The Univ. of Georgia, Drawer E, Aiken, SC 29802
^b Savannah River National Laboratory, Aiken SC 29808

View larger version (32K): [in this window] [in a new window]   FIG. 1. Regional location of the SRS (top), and major site facilities and primary contaminants (bottom) (adapted from Mamatey, 2006).

View larger version (49K): [in this window] [in a new window]   FIG. 2. Hydrostratigraphy units at the Savannah River Site (modified from Aadland et al., 1995; Fallaw and Price, 1995).

View larger version (26K): [in this window] [in a new window]   FIG. 3. Conceptual diagram illustrating the pump-and-treat remediation strategy used to address the plumes originating from the F- and H-Area seepage basins.

View larger version (22K): [in this window] [in a new window]   FIG. 4. (a) Tracer breakthrough field experiments conducted at the H-Area Injection Test Site for Well S6 Zone 3 located 4.41 m from the injection well compared with (b) that observed in laboratory columns using similar materials typical of Atlantic Coastal Plain sediments underlying the SRS (Seaman et al., 2007b; Seaman, 1998).

View larger version (71K): [in this window] [in a new window]   FIG. 5. (Left) Sheet-pile dam installed adjacent to Fourmile Branch stream in 2000 and (right) the pond (9.6 million-L storage capacity) resulting from seep-line flow associated with the burial ground–derived tritium plume.

View larger version (16K): [in this window] [in a new window]   FIG. 6. Tritium activities (pCi mL–1) in Fourmile Branch stream from September 2000 to October 2003 (redrawn after Hitchcock et al., 2005).