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CX-004148: Categorical Exclusion Determination

Online Monitoring Implementation in Boiling Water Reactors
CX(s) Applied: B3.6, B5.1
Date: 09/17/2010
Location(s): Knoxville, Tennessee
Office(s): Energy Efficiency and Renewable Energy

Analysis and Measurement Services Corporation proposes to develop and commercialize an on-line condition monitoring system for Boiling Water Reactors (BWRs). An online monitoring (OLM) system was developed in Phase I and Phase II projects for pressurized water reactors (PWRs). It helps measure the performance of PWR equipment and monitors the health of the plant. In Phase III, the system would be adapted to boiling water reactors (BWRs) through a research and development (R&D) effort involving analytical work, laboratory measurements, and in-plant demonstrations. From an OLM point of view, BWRs are more complex than PWRs because of in-situ boiling in the core, two phase flow, and different types of sensors. Therefore, a comprehensive R&D effort is needed to adapt the existing OLM technologies to BWRs.

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