HANFORD
Key Facilities
Waste Facilities
Trench 94
The Hanford Site is located in the southeastern corner of the State of Washington, about 30 miles east of Yakima and immediately north of Richland. Trench 94 is situated within the 218-E-12B Low Level Burial Ground within the 200 East Area, near the center of the Hanford Site in the Central Plateau region. Trench 94 is in an isolated area about seven miles from the Columbia River.
Trench 94 at Hanford has received reactor compartments from the 114 nuclear powered ships that have been similarly processed at PSNS & IMF under the Navy’s ongoing program since 1986. The total number of reactor compartment packages at Trench 94 and Hanford would remain within the 220 reactor compartment packages evaluated cumulatively for Trench 94.
Navy nuclear powered ships are decommissioned and defueled at the end of their useful lifetime, when the cost of continued operation is not justified by their military capability, or when the ship is no longer needed. Decommissioning includes striking the vessel from the naval vessel registry and taking actions to preserve historic information related to the vessel as required by the Navy's Program Comment under the National Historic Preservation Act (USN 2010). For nuclear powered ships, decommissioning also includes defueling the reactors in the vessel.
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