Front Matter -- Preface -- Acknowledgments -- Contents -- Summary -- 1 Introduction -- 2 The Challenge: Preservation and Use of Scientific Data -- 3 Retention Criteria and the Appraisal Process -- 4 The Opportunities: The Relationship of Technological Advances to New Data Use and Retention Strategies -- 5 A New Strategy for Archiving the Nation's Scientific and Technical Data -- References -- Appendix A List of Acronyms -- Appendix B Minority Opinion.