TABLE OF CONTENTS 



Page 



LIST OF TABLES iv 



LIST OF FIGURES v 



EXECUTIVE SUMMARY vii 



1.0 INTRODUCTION 1 



2.0 METHODS 5 



2.1 Bathymetry and Navigation 5 



2.2 REMOTS® Sediment-Profile Photography 5 



2.3 Sediment Sampling and Analysis 7 



2.3.1 Grain Size Analysis 7 



2.3.2 Total Organic Carbon 7 



2.3.3 Metal and PAH Analyses 9 



2.3.4 QA/QC 9 



2.4 CTD and Dissolved Oxygen Sampling 10 



3.0 RESULTS 1 



3.1 Bathymetry 1 



3.2 REMOTS® Sediment-Profile Photography 1 



3.2.1 Sediment Grain Size 1 



3.2.1.1 Active Mounds 1 



3.2.1.2 Inactive Mounds and Reference Areas . 17 



3.2.2 Distribution of Dredged Material 17 



3.2.2.1 Active Mounds . 17 



3.2.2.2 Inactive Mounds and Reference Areas 17 



3.2.3 Boundary Roughness 21 



3.2.3.1 Active Mounds 21 



3.2.3.2 Inactive Mounds and Reference Areas 21 



3.2.4 Apparent RPD Depth 21 



3.2.4.1 Active Mounds 21 



3.2.4.2 Inactive Mounds and Reference Areas 27 



3.2.5 Successional Stages 27 



3.2.5.1 Active Mounds 27 



3.2.5.2 Inactive Mounds and Reference Areas 27 



3.2.6 Organism-Sediment Index 27 



3.2.6.1 Active Mounds 32 



3.2.6.2 Inactive Mounds and Reference Areas 32 



