The purpose of this calculation is to characterize the criticality safety aspects of N-Reactor fuel stored in a Department of Energy spent nuclear fuel (DOE-SNF) canister that contains four Multi-Canister Overpacks (MCO's). These calculations will be done to support the analysis that will be done to demonstrate concept viability related to pre-emplacement storage and use in the Monitored Geologic Repository (MGR) environment for the pre-closure time frame.

The Congressional Research Service prepared a report in August titled "Civilian Nuclear Waste Disposal." It contains a summary of the radioactive waste management program, and includes an update with recent developments on YM licensing, consent based siting, legislation, volunteer private storage sites, and current policy.