The molten salt test loop (MSTL) system’s customer interface document contains an MSTL overview and details how a customer’s experiment would interface with the system. The document also describes on site collaboration expectations and defines roles and responsibilities for all parties performing an MSTL experiment. The document is available to anyone interested in using MSTL to test components in flowing molten nitrate salt.  For further information, please contact David Gill (6123, 844-1524).