Preface -- Contents -- Abbreviations -- Summary -- 1 Introduction -- 2 Phthalate Exposure Assessment in Humans -- 3 Toxicity Assessment -- 4 Current Practice in Risk Assessment and Cumulative Risk Assessment -- 5 Cumulative Risk Assessment of Phthalates and Related Chemicals -- 6 Data Gaps and Research Needs -- Appendix A: Statement of Task -- Appendix B: Biographic Information on the Committee on Health Risks of Phthalates -- Appendix C: Analysis of a Mixture of Five Phthalates: A Case Study -- Appendix D: Evaluating Multiple End Points Simultaneously in a Mixture of Three Antiandrogens: A Case Study.