![]() #Portsmouth paducah project office verificationCompleted investigatory, removal, and verification activities in a single 10-day field mobilization, resulting in less dust generation, fuel consumption, and site disturbance.Surgically excavated 13 meter 3 of uranium-contaminated soil comprising the contaminant "hotspot,"and disposed the material at an off-site facility Minimized generation of sampling waste through use of state-of-the-art tools and dynamic work planning.Integrated field information involving 24,000 GWS data points, hundreds of XRF measurements, and nearly 400 surface soil increments, which resulted in a need for laboratory confirmation on only 23 samples instead of an estimated 300 samples involved in a traditional field approach.Relied on real-time data for decisionmaking in the field.Used field techniques involving few analytical samples and minimal sampling waste, including PCB immunoassay kits, multi-increment sampling, and adaptive compositing.Used investigative tools requiring no soil disturbance, including laser-based gamma "walkover" surveys (GWS) and x-ray fluorescence (XRF) with in situ gamma spectroscopy (ISGS).Convened federal and state agencies to develop a conceptual site model and dynamic work plan prior to beginning any field work.Used the Triad approach to integrate site characterization, remedial activities, and cleanup verification in a 7,000 foot 2 area with suspected uranium and PCB contamination Technical and Technology Support ServicesĬleanup Objectives: Characterize and remediate soil contaminated with uranium and polychlorinated biphenyls (PCBs) at the site's area of concern (AOC) 492.Measurement and Monitoring Technologies for the 21st Century (21M 2).Federal Remediation Technologies Roundtable.Triad: A Smarter Solution to Site Cleanup.High-Resolution Site Characterization (HRSC).Global Efforts to Advance Remediation at Contaminated Sites.Per- and Polyfluoroalkyl Substances (PFASs).Dense Nonaqueous Phase Liquids (DNAPLs). ![]()
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