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LOG OF EXPLORATION PIT NO. EP-7 <br /> This log is part of the report prepared by Associated Earth Sciences,Inc.(AESI)for the named project and should be <br /> w read together with that report for complete interpretation.This summary applies only to the location of this trench at the <br /> m time of excavation.Subsurface conditions may change at this location with the passage of time.The data presented are <br /> o a simplfication of actual conditions encountered. <br /> DESCRIPTION <br /> Grass/Topsoil <br /> 1 Loose, slightly moist, dark brown, organic rich, silty,fine to medium SAND,trace gravel (SM). <br /> Vashon Lodgement Till <br /> Dense, slightly moist, gray,silty, fine SAND, some gravel; cobbles present(SM). <br /> 2 —\Upper 1 foot:Weathered to medium dense, reddish tan. <br /> Vashon Advance Outwash <br /> 3 — <br /> Dense, slightly moist, gray,fine SAND, some gravel to gravelly,trace to some silt; occasional silty <br /> layers(<2 inches thick); stratified(SP-SM). <br /> 4 — <br /> 5 — <br /> 6 — <br /> 7 — <br /> $ — Layer(-3 inch thick)of sandy, SILT, (ML) and chunks of diamict present. <br /> 9 — <br /> 10 — <br /> 11 Very silty layer(6 inches thick)present. <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 /> associatedrip> Project No. 170671H001 <br /> Logged by: ADY 44 earth sciences <br /> 1 <br /> Approved by: JHS i ri C o r p orate d 12/14/17 <br />