Employees who transfer to TSA from an agency that allows employees to maintain an annual leave balance higher than the maximum accumulation for the appointed position will have their leave ceiling set to the maximum accumulation for the appointed position (e.g., United States duty location - 240 hours, foreign duty location - 360 hours, or TSES position - 720 hours). Maintaining focus and awareness while working in a stressful environment which includes noise from alarms, machinery and people, crowd distractions, time pressure, and disruptive and angry passengers, in order to preserve the professional ability to identify and locate potentially life threatening or mass destruction devices, and to make effective decisions in both crisis and routine situations.