Front Matter -- Preface -- Contents -- Executive Summary -- Introduction: Using Natural Processes in Groundwater Restoration 1 -- Community Concerns About Natural Attenuation 2 -- Scientific Basis for Natural Attenuation 3 -- Approaches for Evaluating Natural Attenuation 4 -- Protocols for Documenting Natural Attenuation 5 -- A Acronyms -- B Presenters at the Committee's Information-Gathering Meetings -- C Biographical Sketches of Committee Members and Staff -- Index.