This document discusses using project portfolio management (PPM) at Rocky Flats Environmental Technology Site. PPM is needed to manage projects with fixed budgets and variable scopes, align projects with business strategies, and focus on strategic projects first. It allows for unifying reporting of project performance to customers and providing visibility across multiple projects. The document outlines key questions that must be asked and answered in PPM, including identifying needs, outcomes, work processes, and where relevant data resides. It also discusses reasons for using PPM from both business and technical perspectives to provide customers a unified view of investments and facilitate analysis of dependencies, risks, and performance measurement.