1. A method for managing old physical addresses in a solid state memory device comprising: tracking in a read status table a pending read from the solid state memory device and a physical address within the solid state memory device associated with the pending read; delaying a release of the physical address for reassignment when the read status table indicates that a pending read is associated with the physical address; and releasing the physical address for reassignment when the read status table indicates that no pending reads are associated with the physical address.