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LLight, Air and Space Conlretction, San .Tose, CA OpilloratoryBorin Lo g g <br /> Project No,0616 BORING NO. MW-2 Drilling Method: 8"Hollowstem Page 1 of 1 <br /> Logged by: CMP Date: Oct. 7,2008 BOREHOLE COMPLETION: <br /> Client: Dana Well Installed:2"dia. Soh.40 PVC <br /> Location: 19589 McKinley Avenue Total Depth: 23' Casing Depth:20,5' <br /> Manteca, CA Screen Length-,12' Slot Size:#3 <br /> Permit: SJC EHD 0055577 Blank Length: 10' Sand Pack: 8' <br /> Water Levels: 1 st Enc 11.5'@11:10 Static: 13.4'(P 11:35 rising Top Sand Pack: 9' Top Bentonite: 8' <br /> m <br /> Grout Seal: V to surface vault box TOC 15.42 MSL <br /> Sample PID Slow <br /> E Depth Well Detail/ <br /> No. IOV Count Lithology Log <br /> Backfill <br /> ML-Sandy SILT, light gray 2.5Y712, nonplastic fines, silt 70%, f. sand 30%, <br /> AA� <br /> weakly cemented to 2 feet, firm, damp. nAA <br /> 5 SM-Silty SAND, brown 10YR5l3, nonplastic fines 35%, f. to med. sand 65%, <br /> MW-2-1 _ massive, loose, damp. - <br /> @ 5' 4 <br /> ^h <br /> - "r <br /> MW-2-1 X0 <br /> ML-SM-Clayey SILT to Silty SAND, brown 10YR513, slightly plastic silticlay <br /> varies 20-65%,f. sand varies up to 65%, massive, medium dense, moist, � <br /> saturated by 11.5 feet; contains olive brown silt beds up to 8 inches thick. <br /> �{. MW-2-1 15 <br /> ii <br /> @ 15' - 25 ML-SP-Clayey SILT and SAND interbedded, olive brown 2.5Y4/4, sand gray <br /> 2.5YN51, massive, medium dense and saturated; silt mottled with iron oxide. <br /> SP-SAND, gray 2.5N5l,f. to med. sand 95%, fines 5%, massive, silt increasing <br /> MW_2_1 20 with depth to 20%, medium dense to dense, saturated. <br /> @ 20' - 28 <br /> MW-3-1 50 <br /> @ 21.5' - <br /> PH <br /> Bottom of Boring=23 feet, borehole <br /> flows slightly,driller swabs clay plug <br /> into sampler hole. <br />�i. <br /> Reviewed by PG <br />