Categorical Exclusion Determination
Office of NEPA Policy and Compliance
September 4, 2018
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A full-scale version of the Hanford Waste Treatment and Immobilization Plant melter riser constructed with transparent material will be assembled and tested in Building 786-A to provide data in support of model development for the Hanford melter. The system will also provide a platform to demonstrate mitigation or recovery strategies in off-normal events where crystal accumulation impedes melter operation.