5200 EVERGREEN WAY SEPA 017 - 010 Geotech Report 2025-04-23

> associated Exploration Log earth sciences Project Number Exploration Number Sheet incorporated 160594V001 GP-13 1 of 1 Project Name Brien Ford Everett Ground Surface Elevation(ft) 345 (sap�x(1 Location Everett.WA Datum N/A Driller/Equipment Cascade/Geoprobe Date Start/Finish 2/13/17,2/13/17 Hammer Weight/Drop N/A Hole Diameter(in) _2 inches w co V p O iUcu a S 73-E EID E T Zo a` 3 Blows/Foot I- o T C90 o min r DESCRIPTION ° 10 20 30 40 ° Concrete-4 inches Fill - " Loose,slightly moist,orangish gray,silty,fine to medium SAND,trace fine gravel;no staining,no odor(SM). S 1 Vashon Ice-Contact Loose,slightly moist to moist,brownish gray,silty,fine to medium SAND, trace fine to coarse gravel(SM). — 5 • • Loose to medium dense,slightly moist, brownish gray,silty,fine to medium SAND,trace to some fine to coarse gravel;no staining,no odor(SM). • Loose to medium dense,slightly moist,brownish gray,fine to medium S-2 SAND,some silt,trace fine to coarse gravel;no staining,no odor(SP). • Dark gray staining,strong odor. PID=2.3 ppm GP-13:10 — 10 Medium dense,slightly moist,brownish gray with slight dark gray staining, • very silty,fine to medium SAND,some fine to coarse gravel;slight odor (SM). PID=1.9 ppm • Vashon Advance Outwash S-3 • • Medium dense,slightly moist,orangish brown,fine to medium SAND, - . trace silt,trace fine to coarse gravel;no staining,no odor(SP). GP-13:12 — 15 Bottom of exploration boring at 15 feet No ground water encountered. — 20 n 0 N- 0) N U W- C / Sampler Type(ST): _ V-2"OD Split Spoon Sampler(SPT) Q No Recovery M-Moisture Logged by: KMA I o 3"OD Split Spoon Sampler(D&M) 11 Ring Sample Water Level() Approved by: OKP • ® Grab Sample A Shelby Tube Sample 1 Water Level at time of drilling(ATD)