CONTENTS 



Page 



INTRODUCTION 1 



MATERIALS AND METHODS . 1 



Test Specimens 1 



Exposure Racks 4 



Anaerobic Test Site 4 



Harbor Exposure Tests , 6 



Measurements of Water Absorption 7 



Hardness Tests 7 



Tensile-Strength Tests 8 



EXPERIMENTAL FINDINGS AND DISCUSSION 



Panels 8 



Ropes 10 



Electrical Cables 10 



CONCLUSIONS 12 



REFERENCES 13 



