DECIDING WHEN TO INTERVENE

List of Tables and Figures
Preface
I.	Executive Summary
II.	Introduction
III.	Synthesis and Findings The Imperative: Restoring Beneficial Uses How to Best Interpret the Data
IV.	Concluding Remarks and Recommendations
V.	Literature Cited
VI.	Appendices:
	Appendix 1	Workshop Format and Agenda
	Appendix 2	List of Workshop Participants
	Appendix 3	Sediment Assessment and Remediation: Ontario's Approach by Rein Jaagumagi and Deo Persaud
	Appendix 4	Thunder Bay Creosote Cleanup: A Case Study in the Application of Ontario's Approach to Sediment Assessment and Remediation by Rein Jaagumagi and Donna Bedard
	Appendix 5	Decision-Making for Sediment: Numeric Biological Guidelines by Trefor Reynoldson
	Appendix 6	Ecological Risk Assessment Applied in the Saginaw River/Saginaw Bay by Lisa Williams
	Appendix 7	The Application of Human Health Risk Assessment Techniques at Sediment Contaminated Sites under the Superfund Program by Marian Olsen
	Appendix 8	U.S. Army Corps of Engineers Dredged Material Evaluation and Assessment Procedures by Robert Engler; and Testing and Evaluation Procedures for Great Lakes Dredged Material Evaluations Developed by the U.S. Environmental Protection Agency and the U.S. Corps of Engineers by Jan Miller
	Appendix 9	1994/1995 St. Clair River Sediment Program Defining Spatial Extent and Environmental Conditions by Tim Moran and Scott Munro
	Appendix 10	Trenton Channel/Detroit River Sediment Assessment and Remediation by Russell Kreis
	Appendix 11	A Framework for Interpreting Narrative Sediment Quality Standards by Jim Keating
	Appendix 12	Ecological Risk Assessment for the Contaminated Harbor Sediment Adjacent to the Ashland, Wisconsin Lakefront Property - Kreher Park by Bob Paulson
	Appendix 13	The SED-TOX Index for the Assessment and Ranking of Sediment Hazard Potential: How is it Useful for Decision-Making? by Manon Bombardier
	Appendix 14	Contaminated Sediment: When is Cleanup Required? The Washington State Approach by Teresa Michelsen
	Appendix 15	Application of Computer Modeling and Biomonitoring in Decision Making for the St. Clair River Area of Concern by John Alexander McCorquodale, Maciej Tomczak, and Gordon Douglass Haffner
	Appendix 16	Report from Breakout Group A
	Appendix 17	Report from Breakout Group B
	Appendix 18	Sediment Priority Action Committee Membership

List of Tables and Figures

Table 1.	The interrelationships among sediment management outcome indicators and use impairments as defined in the Great Lakes Water Quality Agreement
Table 2.	A matrix of data interpretation tools and references for making a sediment management decision beyond source control to restore beneficial uses as defined in the Great Lakes Water Quality Agreement
Table 3.	A checklist of key elements to consider in making a sediment management decision beyond source control
Appendix 3
Table 1.	Provincial Sediment Quality Guidelines for metals and nutrients
Table 2.	Provincial Sediment Quality Guidelines for organic compounds
Appendix 5
Table 1.	Summary of taxonomic composition of benthic invertebrates at Group 2 reference sites and 12 Cornwall test sites
Table 2.	Summary of sediment quality based on invertebrate community structure, sediment toxicity, and sediment chemistry
Appendix 6
Table 1.	Components of the Saginaw Natural Resource Damage Assessment Settlement
Appendix 12
Table 1.	PAH sediment concentrations and related toxicity units at the study sites
Figure 1.	A generalized flowchart which can be used to help make a sediment management decision regarding whether or not to take action beyond source control
Appendix 3
Figure 1.	Application of Provincial Sediment Quality Guidelines to sediment assessment