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Portable Hi-Purity Germanium Detectors for Delineating Contamination in Soils

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Deployment
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AR #886
AR #1437
AR #1453
AR #2427

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Tech ID: 2157
Project Overview
This Accelerated Site Technology Deployment (ASTD) project involves the integration, implementation and deployment of four unique EM50 technologies to reduce DOE soil remediation costs by about $36 M at the Fernald Environmental Management Project (FEMP) between FY98 and FY06, enabling the DOE´s accelerated remediation plan to be met. The four technologies are 1.) mobile radiation tracking system; 2.) portable high-purity Germanium sensors for in situ gamma spectrometry; 3.) INEEL´s Warthog system for 3D real-time excavation screening support; and 4.) SitePlanner and Plume software packages to provide data analysis for decision support. For more information about this and other ASTD projects, go to the ASTD home page at id.inel.gov/astd

Technology Description
This project utilizes a suite of technologies as a replacement for the conventional data collection program based on discrete samples followed by laboratory analysis. This suite is a blend of mobile gamma sensing equipment, direct in situ gamma spectroscopy, laser-based positioning systems, and ASAP data management/decision-support systems. Specifically: the RTRAK is an enclosed agricultural tractor fitted with a sodium iodide detector, global positioning system capabilities and on-board computers. This system provides qualitative and quantitative rapid gamma surveying for the site. The portable high-purity Germanium detectors are tripod mounted and used to perform real-time, in situ isotopic spectrometry. The Warthog is a sensor platform that includes real-time 3-D location tracking and sensor data reduction. The SitePlanner and Plume computer software programs are designed to support ASAP data collection programs.

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