Part I: Introduction Chapter 1: Background Chapter 2: Objectives and scope Part II: The Commission's Framework for Protection of the Environment Chapter 3: Objectives of protection Chapter 4: Reference Animals and Plants Chapter 5: Derived Consideration Reference Levels Chapter 6: Exposure pathways Part III: Application Chapter 7: Types of exposure situations Chapter 8: Principles of protection Chapter 9: Reference values for environmental protection based on Derived Consideration Reference Levels Part IV: Implementation Chapter 10: Introduction Chapter 11: Selecting representative organisms and their relationships to Reference Animals and Plants Chapter 12: Additional considerations Chapter 13: Stakeholder involvement Chapter 14: Compliance Part V: Discussion and Conclusions References Appendix A: Tables of Dose Rates and Effects for Reference Animals and Plants Appendix B: Assumed Basic Population Characteristics of Reference Animals and Plants Annex C: Environmental Protection Legislation