Advanced characterization system for D&D and remedial action implementation

This poster describes the proposed deployment of an advanced characterization system (ACS) being designed by Bechtel Hanford, Inc. (BHI) for implementation at the Hanford Site in Southeastern Washington state. This project will unite three commercially available systems and deploy them in an integrated and innovative fashion to speed the detection and characterization of residual surface and volumetric contamination. The ACS system will consist of three elements: a gamma camera, an in-situ spectroscopy system, and specialized survey and data logging instruments. These measuring devices are to be operated as a system to reduce structural waste in D & D projects. The ACS system should provide the capability of replacing most radiological sampling requirements within facilities, as well as having the potential to characterize radionuclides in soil, recyclable steel and copper, vehicles, or any other contaminated item. Other features include portability, easily configured for different geometries, semi-automated, and low maintenance requirements. Each element of the ACS has been test-deployed independently and successfully, and BHI plans to deploy the comprehensive system in fiscal year 2000. The expected benefits of the system are a reduction in the number of samples required for closeout, and electronic data capture reducing the possibility for transcription errors. Through accurately characterizing an area, the appropriate radiological controls can be applied, reducing the conservatism required for unknown situations. These benefits taken together should reduce dose, improve worker safety and reduce cost.