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FIELD EXPLORATORY BORING LOG THE DENALI GROUP <br /> Field location of boring I PROJECT NO 5713 DATE 09/12/02 BORING No <br /> Boilers Budding CLIENT California Cedar Products B1 <br /> LOCATION 1340 W Washington, Stockton. CA Sheet I_ <br /> 10 <br /> O LOGGED BY DJB DRILLER EnPfob of 1 <br /> 0? <br /> I Warehouse Casing installation data Probe holes backfilled by iremie from bottom <br /> up with cement grout(5 gal per sack mix) Fast Cure concrete at grade <br /> Drilling method Geoorobe(DPT) Hole dia 2-in <br /> c _ <br /> _� 'o oWater eve <br /> FL � L ECL 5L CS U Time <br /> E <br /> Q_ CD U) F- Wiz' p rn 0U)Z) Date <br /> DESCRIPTION <br /> 2 <br /> 4 <br /> Sp FILL- 8" cement concrete over medium sand placed as backfill <br /> s in former UST excavation pit Uniform push to depth <br /> s <br /> 1 <br /> Approximate base of Tank Excavation <br /> 56 M Dense sod B1-1 V POORLY GRADED SAND- Olive gray (5Y 512), fine sand, <br /> wet, trace clay, strong fuel odor <br /> 1 <br /> SP <br /> 1 <br /> 13 M Dense Soil B1-2 POORLY GRADED SAND- Olive gray (5Y 512), fine sand, <br /> 2 wet, homogeneous, moderate fuel odor <br /> 2 <br /> POORLY GRADED SAND- Dark olive gray (5Y 312), medium- <br /> 55s M Dense sod 81-3 2 coarse sand,wet, strong fuel odor <br /> 28 <br /> 2 CLAY Light olive brown (5Y 612), plastic, caliche, moist, slight <br /> CL fuel odor <br /> 2 <br /> 00 Hard soil 81-4 CLAY- Light olive brown (5Y 6/2), plastic, homogeneous, moist, <br /> 3 no fuel odor <br /> Bottom of Probe 30 Feet <br /> Remarks Vapor monitoring device-MiniRAE PID <br />