Remediation Activity at the Linde FUSRAP Site


R. Hoover, C. Rieman, J. McGowin


As part of the Formerly Utilized Sites Remedial Action Program (FUSRAP), the U. S. Army Corps of Engineers is conducting a cleanup of radiologically contaminated properties. One such site is the 55-ha industrial Linde Site in Tonawanda, N. Y. The U.S. Army Corps of Engineers teamed with Argonne National Laboratory, The IT Corporation and their sub-contractors to remediate radionuclide contaminated soils using "precise excavation". Precise excavation is an approach that involves identifying a detained initial excavation footprint based on existing data, and redefining the footprint for subsequent lifts based on real-time information gathered during the excavation process until the entire area has attained remediation levels. At the Linde site, the precise excavation integrated a variety of real-time data collection techniques, including gamma walkover survey instruments integrated with a global positioning system, subsurface geoprobing and soil core analyses, in situ HPGe analyses, an on-site gamma spectroscopy laboratory, and statistical techniques to define the surficial excavation footprint and the subsequent excavation lifts. At the Linde site, real-time remedial support data collection was particularly important for controlling excavated volumes and ensuring stakeholder confidence in the completeness of the remedial work since existing remedial investigation/field survey data were extremely limited.


This abstract was presented at the 35th Annual Midyear Meeting, "Decommissioning and Environmental Restoration", Controlling Dose I Session, 2/17/2002 - 2/20/2002, held in Orlando, FL.

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