Dredge Material Evaluation Framework
Lower Columbia River Management Area
- List of Tables
- List of Figures
- Preface
- Definitions
- Acronyms
1. Goals, Description and Organization
1.1 Introduction
1.2 Evaluation Framework
1.3 Framework Objectives
1.4 Evaluation Procedures Philosophy
1.5 Evaluation Framework Characteristics
1.6 Future Regional Frameworks
1.7 Study Participants/Public Involvement
2. Dredged Material Management Regulation
2.1 Overview
2.2 Federal Regulations
2.3 Washington State Regulations
2.4 Oregon State Regulations
3. Lower Columbia River Management Area
3.1 Overview
3.2 General Description
3.3 Shoal Processes
3.4 Mainstem Navigation Channel
3.5 Maintenance Dredging and Disposal
3.6 River Control Structures
3.7 Sediment Quality Characteristics
3.8 Mid-Columbia River
3.9 Lower Willamette River
3.10 Side Channel Projects
4. Regulatory Process
4.1 Overview
4.2 Corps of Engineers Role
4.3 New Dredging
4.4 Permit Renewal
4.5 Verification for Maintenance Dredging
4.6 Evaluation Process
4.7 Quality Control Plan
4.8 Corps of Engineers Civil Works Projects
5. Tiered Evaluation Process/Tier I
5.1 Overview
5.2 Tiered Evaluation Process
5.3 Tier I
Initial Rankings
Project Specific Evaluations
Exclusion from Further Testing
Frequency of Dredging Guidelines
Recency of Data Guidelines
5.4 Transition to Subsequent Tiers
6. Sampling and Analysis Plan (SAP)
6.1 Overview
6.2 Information in a Sampling and Analysis Plan
6.3 Determination of Dredged Material Volumes
6.4 Determination of Sampling and Analysis Requirements
6.5 Preparation and Submittal of a Sampling and Analysis Plan
6.6 Special Cases
6.6 Sampling for Site-Specific Downranking
7. Sampling
7.1 Overview
7.2 Sampling Approach
7.3 Positioning Methods
7.4 Sampling Methods
7.5 Sample Collection and Handling
7.6 Archiving Additional Sediment
7.7 Data Submittal
8. Tier II Physical and Chemical Testing
8.1 Overview
8.2 Protocols
8.3 Tier IIA Testing
8.4 Tier IIB Testing
8.5 Interpretive Guidelines
9. Tier III Biological Testing
9.1 Overview
9.2 Sediment Solid Phase Biological Tests
9.3 Water Column Bioassays
9.4 Bioaccumulation Testing
9.5 Reference Sediment Collection Sites
10. Tier IV Biological Testing
10.1 Overview
10.2 Steady State Bioaccumulation Test
10.3 Human Health/Ecological Risk Assessment
11. Data Submittal
11.1 Overview
11.2 Sediment Characterization Report
11.3 Quality Assurance Data
11.4 QA1 Data Checklist
Appendices
6-A Small Project Sampling and Analysis Plan
6-B Large Project Sampling and Analysis Plan
7-A Sample Collection and Handling Procedures
8-A Tributyltin Testing
9-A Bioassay Statistics Software
9-B Illustration of Bioassay Interpretation
9-C Bioaccumulation Concentrations