implement the safe procedure for operation of the device specified below, on first time receipt o ensure that source containment has all of its components intact and in an acceptable condition.. o radiation dose rate profile in the vicinity of the source containment conforms to the limits specified by AERB o shutter or source control mechanism, source assembly and retraction mechanism and any other safety features operate correctly and safely o radiation warning signs and labels are intact, appropriately marked and legible o device performs satisfactorily when used in accordance with manufacturers instructions. o location of the gauge has not been altered without the approval of the Competent Authority. b) Ensure Implementation of Safe Work Procedure