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Settler-Ryan, Inc. Log of Boring U-7 <br /> PROJECT Former Unocal Service Station No 0123 <br /> LOCATION 1034 Central Avenue, Tracy, CA <br /> GR PROJECT NO 24007304 CASING ELEVATION <br /> DATE STARTED 11/f3/OQ WL (ft bgs) 1054 DATE 11/13/00 TIME 1335 <br /> DAVE FINISHED !!/!3/00 <br /> WL (ft bgs) DATE TIME <br /> DRILLING METHOD S in Hollow Stem Auger TOTAL DEPTH 215 feet <br /> DRILLING COMPANY Cascade Drilling GEOLOGIST David Herzog <br /> LU <br /> cn WELL DIAGRAM <br /> GEOLOGIC DESCRIPTION <br /> v <br /> C W J = U <br /> d� o a d <br /> a a ac <br /> 13— N CL m cn cn c� A <br /> Asphalt - 1 5 feet thick < m <br /> � U � <br /> GM SILTY GRAVEL WITH SAND (GM) - very dark brown d j <br /> lICYR 2/2), dry 60% fine gravel 30% sand 10% silt w <br /> CL CLAY (CL) - very dark grayish brown (10YR 3/2). �I1 <br /> damp 90% clay, 10% fine sand_ _ _ <br /> 4 ML SANDY SILT (ML) - grown (10YR 4!3), moist, stiff <br /> / 70% sift, 30% fine sang few very fine calcium a <br /> carbonate nodules trace of fine gravels trace of fine m — <br /> iron azide nodules — <br /> ti — <br /> 192 9 U-7-8 <br /> u <br /> SM SILTY--'SAND (SM) - olive brown (2 5Y 4/4),. — <br /> saturated. medium dense. 60X-70% tine sand, -40X <br /> 30 c <br /> silt, few fine iron oxide nodules, trace of fine gravel h <br /> c — <br /> o — <br /> � — n <br /> a � <br /> 380 11 U-7-11 ML SILT (ML) - olive gray (5Y 4/2), moist, stiff, 90% silt, <br /> 10% fine sand, few calcium carbonate veins 4 <br /> 12 - - v = <br /> SM SILTY SAND (SM) - yellowish brown (10YR 5/4). <br /> saturated. medium dense, 70% fine sand, 30% silt <br /> C <br /> m <br /> N <br /> 16 348 11 U-7-18 <br /> ML 80olive brown (2 5Y <br /> %� It, 40% line sa dht ace of medium to coarseoist <br /> sand, trace of fine gravels <br /> — v <br /> 20 <br /> �a <br /> 304 U-7-21 <br /> Bottom of boring at 215 feet bgs <br /> (* - Converted to equivalent standard penetration <br /> blows/foot) <br /> . 24 <br /> 28 Page I of t <br /> JOB NUMBER 240073 04 _ _ <br />