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i Gettler—Ryan, Inc. Log of Boring U--19 <br /> PROJECT Former Unocal Service Station No 0187 LOCATION 437 East Miner A venue, Stockton; CA <br /> GR PROJECT NO 24004208 CASING ELEVATION 1203Ft (MSL) <br /> DATE STARTED 11/06/00 WL (ft bgs) DATE TIME <br /> DATE FINISHED 11/06/00 WL (ft bgs) 3173 DATE 11/08/00 TIME <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 120 feet <br /> DRILLING COMPANY Cascade Drilling GEOLOGIST Tony Mikacich <br /> to <br /> m <br /> atL WZ fn <br /> W -j GEOLOGIC DESCRIPTION WELL DIAGRAM <br /> _^ a m -j - z v <br /> d JU p O X X 4 <br /> a m (7 (n UD (On <br /> CL CONCRETE - 4 inches thick <br /> SANDY CLAY (CL) - dark brown (7 SYR 3/3), moist, <br /> very stiff 70% clay, 30% fine sand, trace of gravel <br /> 6 0 28 U-19-8 5 <br /> CL CLAY Wff H SILT (CL) - light olive brown (2 5Y 5/3), <br /> moist, very stiff, 80% clay, 20% silt trace of iron oxide <br /> stainin-g <br /> 0 22 U-19-115 - - - - - <br /> 12 ML SILT (ML) - olive brown (2 5Y 4/3)mottled with light <br /> brown, moist, hard 100% silt, trace of clay, trace of <br /> iron oxide staining <br /> 0 40 U-19-18 5 <br /> 18 SM SILTY SAND (SM) - strong brown (T 5YR 4/t3), wet, U <br /> dense, 70% fine sand, 30% silt, trace of clay, trace of o <br /> iron oxide staining T t <br /> w v <br /> a � <br /> 0 47 U-19-215 fi <br /> J to <br /> ML CLAYEY SILT (ML) - olive brown (2 5Y 4/3), wet, c <br /> 24 hard 70% silt, 30% clay, trace of black organic matter, <br /> trace of iron oxide staining <br /> 0 41 U-19-28 5 <br /> 30 <br /> 0 42 U-19-31 5 Becomes 80% silt, 20% clay, abundant iron oxide <br /> staining, trace of fine sand <br /> 36 p 53 U-19-38 5 Color changes to reddish brown (5YR 4/4) <br /> . SM SILTY SAND (SM) - olive brown (2 5Y 4/3), wet, <br /> dense 70% fine sand, 30% silt, trace of iron oxide <br /> staining <br /> 42 0 38 U-19-415 <br /> JOB NUMBER 240042 06 Page 1 of 3 <br />