OHSEC | Radiation Safety Division | Nuclear Gauges - USDA
Physical controls used may include, but are not limited to: a metal chain with a lock, a steel cable with a lock, a secured enclosure, a locked tool box, a locked camper, a locked trailer, a locked trunk of a car, inside a locked vehicle, a locked shelter, a secured fenced-in area, a locked garage, a locked non-portable cabinet, a locked room, or