This document provides the results of the Phase A and Phase B Final Status Survey of Building 4059 (SNAP Ground Prototype Facility) at the Santa Susana Field Laboratory. The data analysis follows the protocols recommended by the Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM). The survey results demonstrate that the Building 4059 site meets the Department of Energy (DOE) and the State of California, Department of Health Services (DHS) approved release criteria, and the site is therefore suitable for release for unrestricted use.
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