This comprehensive work written by ASME Codes & Standards experts was originally published as part of Volume 3 of the Companion Guide to the ASME Boiler & Pressure Vessel Code. This fully updated and expanded volume is now a stand-alone publication that addresses Continuing and Changing Priorities for the success of current and next generation Nuclear Reactors and Internals, License Renewal, Public Safety, PRA and Spent Fuel Pool-related issues.