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i Gettter-Ryan, Inc. Log of Boring U-15 <br /> PROJECT Former Unocal Service Station No 0187 LOCATION 437 East Miner Avenue, Stockton, CA. <br /> GR PROJECT NO 24004208 CASING ELEVATION 122 Ft (MSL) <br /> DATE STARTED 10/30/00 WL (ft bgs) DATE TIME <br /> DATE FINISHED 10/30/00 WL (ft bgs) 2802 DATE 11/08/00 TIME <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 118 feet <br /> DRILLING COMPANY Cascade Drilling GEOLOGIST Dav1d Herzog <br /> LU <br /> m <br /> r z `' "� WELL QIAGRAM <br /> Q. w w ti GEOLOGIC DESCRIPTION <br /> -' a X a d d U <br /> C]— CL m cn Ul C7 [n <br /> CL CLAY (CL) - very dark gray (2 5Y 3/2) mottled with <br /> trace of dark yellowish brown (10YR 4/4), moist, very <br /> stiff, plastic, 100% clay, trace of fine sand <br /> 0 19 U-15-5 <br /> 6 <br /> 0 42 U-15-11 Color changes to brown (IOYR 4/3), hard trace of <br /> . 12 iron oxide nodules <br /> ML SILT (ML) - dark yellowish brown OOYR 4/4), damp, <br /> hard, 100% silt, few fine calcium carbonate nodules, <br /> slightly indurated <br /> 0 49 U-15-16 <br /> SM SILTY SAND (SM) - dark yellowish brown OOYR 4/4), c, <br /> 18 damp, very dense 70% fine sand, 30% silt, trace of a <br /> fine mica o <br /> I <br /> Q, m <br /> e <br /> 0 63 U-15-21ab °; <br /> N ro <br /> a, <br /> C � <br /> 24- <br /> 0 26 U-15-213 Becomes saturated, medium dense <br /> SP SAND (SP) - dark yellowish brawn10'YR 4/4), <br /> saturated, dense, 100% fine to medium sand, trace of <br /> slit <br /> 30 <br /> 0 35 U-15-31 <br /> 36 0 44 U-15-38 SILT WITH CLAY (ML) - light olive brown (2 5Y 5/3) <br /> moist, hard, 80% silt, 20% clay, some iron oxide <br /> staining, trace of iron oxide nodules (<i mm), trace of / <br /> LML <br /> fine micaSANDY SILT (ML) - sight olive brown (2 5Y 5/3)) <br /> saturated, hard, 70% silt, 30% fine sand, some <br /> 0 38 U-15-41 scattered iron oxide staining, trace of medium sand, <br /> trace of mica <br /> 42 <br /> JOB NUMBER 240042 08 Page I of 3 <br />