Assessment of the Report of NASAs Planetary Protection Independent Review Board Intro FrontMatter Preface Contents Summary 1 Introduction 2 Assessment of the PPIRBs Findings and Recommendations 3 Conclusions and Recommendations Appendixes Appendix A: Letter Requesting this Study Appendix B: Review and Assessment of Planetary Protection Policy Development Processes: Findings and Recommendations Appendix C: Report of NASAs Planetary Protection Independent Review Board: Findings and Recommendations Appendix D: Establishment of the PPIRB Appendix E: Planetary Protection Categories Appendix F: Biographies of Committee Members and Staff.