Integrated Security Facility (ISF) definition
Integrated Security Facility (ISF). The ISF is a unique venue for physical protection, nuclear materials management, and nuclear safety training, demonstration, and security equipment testing/evaluation for domestic and international partners. • Ion Beam Laboratory: SNL has multiple facilities that contain ion beam capabilities and high energy accelerators located throughout the laboratories. The ion beam facility is a centrally located facility that has the highest concentration of ion beams used in a broad arrange of configurations for multiple families of experiments.