Table of Contents 



Page 



1.0 INTRODUCTION 1 



2.0 METHODS 2 



2 . 1 Navigation 2 



2.2 Bathymetric and Side Scan Sonar Surveys 3 



2.3 Remots Sediment-Profile Photographic Surveys .... 4 



2.4 Sediment Chemical Analysis 6 



2.5 Benthic Community Analysis 7 



2.6 Body Burden Analysis 8 



3.0 RESULTS 9 



3.1 Bathymetric Surveys at the CLIS Disposal Mound ... 9 



3.2 Bathymetry and Side Scan Surveys at Ghost 



Sites 1 and 2 10 



3.3 REMOTS® Sediment-Profile Surveys at the CLIS 

 Disposal Mounds 10 



3.3.1 FVP Mound 10 



3.3.2 Stamford-New Haven North (STNH-N) Mound. . 13 



3.3.3 Stamford-New Haven South (STNH-S) Mound. . 15 



3.3.4 Cap Sites One (CS-1) and Two (CS-2) . ... 17 



3.3.5 Mill-Quinnipiac River (MQR) Mound 20 



3.3.6 Norwalk (NOR) Mound 21 



3.3.7 New Haven 74 (NH-74) Mound 22 



3.3.8 New Haven 83 (NH-83) Mound 24 



3.3.9 CLIS-86 Mound 25 



26 3.4 REMOTS® Sediment-Profile Surveys at Ghost 



Sites 1 and 2 26 



3.4.1 Ghost Site-1 (GHOST-1) 26 



3.4.2 Ghost Site-2 (GHOST-2) 27 



3.5 Sediment Chemical Analysis 29 



3.6 Benthic Community Analysis 31 



3.7 Body Burden Analysis 32 



4.0 DISCUSSION 32 



4 . 1 Topographic Changes and Disposal Mound 



Stability at CLIS 32 



4.2 Ghost Site 1 and 2 Investigations 34 



4.3 Benthic Habitat Quality at the CLIS Disposal 



Mounds and the New Reference Station 35 



4.4 Sediment Chemical Analysis 37 



4.5 Benthic Community Analysis 40 



4.6 Body Burden Analysis 42 



5.0 CONCLUSIONS 44 



6.0 REFERENCES 47 



