Front Matter -- Preface -- Acknowledgments -- Contents -- Summary -- 1 Introduction -- 2 Overview of Engineered Barrier Systems -- 3 Monitoring Barrier Performance -- 4 Performance of Barrier System Components -- 5 Containment System Performance -- 6 Summary and Recommendations -- References -- Appendixes -- Appendix A: Predicting Human Health and Ecological Impacts -- Appendix B: Methods for Monitoring Engineered Barrier Performance -- Appendix C: Construction Quality Assurance Monitoring Techniques -- Appendix D: Biographical Sketches of Committee Members -- Acronyms and Abbreviations.