This report details the borehole examination and inspection results of process tube 2959 following a massive fuel failure and a low flow trip which scrammed the reactor.

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This study investigates the cost of shutting down and later starting up the Hanford production complex. Also included are comments on two aspects, other than cost, which are consider to be of great importance. One is the impact of a complete shutdown on the Tri-Cities community. The other is the effect on Battelle`s Pacific Northwest Laboratory. This study encompasses six special shutdown-startup cases. One set of three cases assumes a shutdown of three years; the other set assumes the reactors have been down for a period of five years (from shutdown of the last reactor to startup of the first conventional reactor in the series). within each of the above mentioned sets there are three cases assuming the return of five, six, or seven reactors to weapons production. The sixth and seventh reactors are D and DR respectively. N Reactor is assumed transferred to WPPSS instead of shutdown, and consequently is available for recapture earlier than the conventional reactors. The shutdown schedule is shown in Table IA. The dates, except for the shut down of D Reactor, were picked arbitrarily and can be moved ahead so long as the intervals are kept the same. There is one exception to this …

This report addresses the coolant pressure drop and enthalpy rise equations for the phoebus-2 nozzle.

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This report addresses the annealing sudies on irradiated SNAP fuel.