TABLE OF CONTENTS 



Page 



LIST OF TABLES iii 



LIST OF FIGURES iv 



EXECUTIVE SUMMARY vii 



1.0 INTRODUCTION 1 



2.0 METHODS 6 



2.1 Bathymetry and Navigation 6 



2.2 REMOTS® Sediment-Profile Photography 7 



2.3 CTD and Dissolved Oxygen Sampling 7 



3.0 RESULTS 10 



3.1 Bathymetry 10 



3.2 REMOTS® Sediment-Profile Photography 10 



3.3 CTD and Dissolved Oxygen Sampling 24 



4.0 DISCUSSION 33 



4.1 NL-TR Disposal Mound 33 



4.2 NL-88 and NL-85 Disposal Mounds 37 



4.3 Oxygen Concentration and Benthic Habitat Quality 39 



5.0 CONCLUSIONS 40 



6.0 REFERENCES 42 



INDEX 

 APPENDIX 



