The U.S. Department of Energy plans to hold a 60-day public comment period on proposed modifications to the Hanford Facility Dangerous Waste Permit. These Class 2 modifications update several chapters of the 242-A Evaporator portion of the permit. Key changes include updating: · The tank waste sampling approach in the Waste Analysis Plan · Process information describing the 242-A Evaporator · Preparedness and prevention measures · Emergency planning. These permit modifications are necessary to prepare for 242-A Evaporator campaigns beginning in fall 2013 to reduce the volume of Hanford’s tank waste and make more double-shell tank space available for waste retrieval from other tanks. Class 2 modifications apply to updates to the permit. All Class 2 Hanford Dangerous Waste Permit changes require public review and Washington State Department of Ecology approval.
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