LIST OF ILLUSTRATIONS 



Page 



Figure 1 . Specimens of insulated electric cable ready for 



exposure in the ocean 3 



Figure 2. Rack with specimens mounted ready for exposure 



in the ocean 5 



Figure 3. Rack of specimens exposed in anaerobic mud for 2-1/2 



years 5 



Figure 4. Specimen of wood exposed for 1 year at mud line 6 



Figure 5. Rack of specimens engulfed in fouling after 2-1/2 year 



exposure near the ocean surface 7 



Figure 6. Plastic specimen for tensile-strength test 9 



Figure 7. Specimens of cotton rope exposed in harbor mud 1 year. . 9 



Figure 8. Specimens of Manila hemp ropes exposed in harbor mud 



1 year 10 



Figure 9. Specimens of insulated electrical cable after 2-1/2-year 



exposure in the harbor mud 11 



Figure 10. Specimens of insulated electrical cable after 2-1/2-year 



exposure near the surface of the ocean 11 



LIST OF TABLES 



Table 1. Properties of Plastic Sheeting Exposed in Ocean 2-1/2 



Years 2 



Table 2. Tensile Strength of Ropes 3 



