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CCV Storm Water Sediment <br />Double Hydrometer Results -Natural Settling <br />• <br />Hydromenter Test, Non-dispersed Natural Settling in <br />i Imhoff Cone -Time vs. %Suspended <br />25.0 <br />~ 20.0 <br />._ <br />.~ <br />E 15.0 <br />c 10.0 <br />V <br />L <br />a 5.0 <br />0.0 <br />tTopsoil <br />f•Coarse Subsoil <br />tFine Pond Sediment <br />1 10 100 1000 10000 <br />Time (minutes) <br />Hydromenter Test, Non-dispersed Natural Settling <br />in Imhoff Cone -Time vs. Size (mm) <br />1 <br />0.1 <br />,.. <br />E <br />E <br />0.01 <br />0.001 1 <br />1 <br /> <br />~~ <br />-~-Topsoil <br />-Coarse Subsoil <br />-i-Fine Pond Sedimern <br />10 100 1000 10000 <br />Time (minutes) <br />Steffens and Assoc., Inc. <br />4! 11 /2008 <br />Figure 5 <br />