Table 5. Subaqueous Soil Sampling Without Drill Rigs 



and Casing 45 



Table 6. Maximum Allowable Errors for Hydrographic Surveys .... 56 



Table 7. Allowable Horizontal Positioning System Criteria 57 



Table 8. Example of Beach Fill Area Profile Survey Scheme 63 



Table 9. Sediment Particle Sizes 67 



Table 10. Minimum Weight of Sample Required Given Maximum 



Particle Size in Population 68 



Table 11. Wave Data Sampling Intervals, Typical CERC Projects .... 83 



Table 12. Sea State Parameters 87 



Table 13. Reporting Conventions for Directional Environmental 



Measurements 88 



Table 14. Short-Term Sea-Level Changes Along Open Coastlines .... 92 



Table 15. Long-Term Causes of Changes in Relative Sea Level 93 



