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LOG OF EXPLORATION PIT NO. EP-4 <br /> F This log is part of the report prepared by Associated Earth Sciences,Inc.(AESI)for the named project and should be <br /> read together with that report for complete interpretation.This summary applies only to the location of this trench at the <br /> time of excavation.Subsurface conditions may change at this location with the passage of time.The data presented are <br /> a simplfication of actual conditions encountered. <br /> DESCRIPTION <br /> Topsoil <br /> Loose, slightly moist, dark brown, organic rich, silty,fine SAND,trace gravel (SM). <br /> 1 Fill <br /> 2 Loose, slightly moist, tan to brown, silty, fine to medium SAND, some gravel ranging to some silt <br /> (SP-SM). <br /> 3 Relic Topsoil <br /> 4 Loose,slightly moist, brown, organic rich, silty,fine SAND, some gravel (SM). <br /> Weathered Vashon Lodgement Till <br /> Dense, slightly moist, gray, silty,fine SAND, some gravel; oxidation present in some patches(SM) <br /> 5 Layers (<2 inches thick)of silty, unsorted material present. <br /> Vashon Advance Outwash <br /> 6 Dense, slightly moist, gray,fine to medium SAND, some gravel,trace to some silt; stratified <br /> (SP-SM). <br /> 7 <br /> 8 <br /> 9 <br /> 10 <br /> 11 <br /> 12 <br /> 13 <br /> Bottom of exploration pit at depth 13 feet <br /> 14 No seepage. No caving. <br /> 15 <br /> 16 <br /> 17 <br /> 18 <br /> 19 <br /> 20 <br /> Stormwater Infiltration Assessment <br /> Everett, WA <br /> CL <br /> raiill>„ a s s o c i a e d <br /> Logged by: ADY Project NO. 170671H001 <br /> earth sciences <br /> a Approved by: JHS i n c o r p a rate 12/13/17 <br />