CONTENTS 



page 



INTRODUCTION 1 



PHYSICAL PROPERTIES OF SEA WATER 2 



Salinity 2 



Temperature 2 



Specific Gravity 2 



Viscosity 3 



Pressure 3 



Light 3 



Suspended Organic Matter 3 



Dissolved Gases > 3 



Hydrogen-Ion Concentration 4 



MARINE ORGANISMS RESPONSIBLE FOR MATERIALS DAMAGE 4 



Crustaceans 4 



Mollusks 4 



Marine Bacteria 6 



Sulfate -Reducing Bacteria 8 



Fish, Sharks, and Sea Urchins 10 



DEEP-SEA ANIMALS 11 



PROPOSED FIELD AND LABORATORY INVESTIGATIONS 11 



Exposure of Materials in the Natural Sea Environment 12 



Laboratory Investigations 15 



MBL/WHOI 



D D3D1 DDMDlfiS H 



