DGR Preclosure Safety Assessment

A preliminary preclosure safety assessment was completed, based on the DGR preliminary design. The assessment included:

	The effect on public and workers from normal operation and accidents involving the waste packages
	Conventional safety assessment for workers
	Preliminary ALARA assessment for workers
	Flood risk assessment at DGR site
	Radon assessment

The operations at the DGR are generally similar to those at the existing Western Waste Management Facility (WWMF) on the Bruce nuclear site, where waste packages are already safely handled and stored.

The conclusion from the preclosure safety assessment is that the wastes can be safely handled and emplaced in the DGR.