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Settler-Ryan, Inc. Log of Boring U-26 <br /> • LOCATION 437 East Miner Avenue, Stockton, CA <br /> PROJECT Former Unocal Service Station No 0187 CASING ELEVATION <br /> GR PROJECT NO 24004211 HL (f1 Dgs) GATE TIME <br /> DATE STARTED 02/19/02 HL ltt Dgs) GATE TIME <br /> DATE FINISHED 02/19/02 111111H 120 feet <br /> Aug, <br /> DRILLING METHOD 8 in Hollow Stem GEOLOGIST Tony Mikaach <br /> DRILLING COMPANY Woodward Drilling <br /> m <br /> WELL DIAGRAM <br /> N GEOLOGIC DESCRIPTION ' <br /> N <br /> N to r.7 <br /> Asphalt over concrete - 9 inches thick <br /> CL CLAY (CL) - dark Drown (7 SYR 3/2),moist,very stiff. <br /> medium plasticity, 907 clay, IDX fine sand <br /> Color changes to dark Drown (7 SYR 3/2)mottled with <br /> 6 6 44 U-26-6 5 trace of Drown <br /> Color changes to strong brown (7 SYR 4/6) becomes <br /> 0 <br /> >50 U-26-115 80%clay.to% fine sand, 10% silt _ — <br /> • 12 ML SILTIMU- strong Drown (7 5YR 4/6), moist very <br /> stiff,80% slit.to%clay, 10% fine sand, abundant micas. <br /> trace of borings <br /> 2 35 U-28-18 5 _ __ <br /> SM SILTY SANG (SM) - strong Drown l7. i %clay,trace o <br /> Sa medium dense.60% fine sand, 30X silt, m <br /> of micas,trace of black orgarvc maker m m <br /> N V <br /> U 0 <br /> n <br /> 10 20 U-26-215 <br /> CL CLAY (CL)- yellowish Drown (IOYR S/4), moist, stiff. a <br /> 90% clay,10% fine sand,abundant hard while ry <br /> 24 mineralization <br /> 0 l6 U-26-26 5 <br /> qj4),moist, haNd,75% clay. floe san4rotraceuofR <br /> while ahzation, trace of black organic matter <br /> mmer <br /> 30 <br /> 0 >50 U-28-315 _ _ <br /> ML SILT (MU- wet, very shff 807 silt. 26% clay, trace <br /> of fine sand <br /> 2 35 U-26-355 <br /> . 36 CL gOfNGOCIayL 40% tinesande Drown (25Y 4/3),wet,hard. <br /> 12 >50 <br /> 42 Page 1 of 3 <br /> JOB NUMBER 24004211 <br />