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== BORING NO.: SB-27 SHEET 1 OF 1 <br /> t--DG:99 <br /> MEEFr1I`® PROJECT: Mountain House Development Site#6 <br /> From Science to Solutions <br /> LOCATION: Mountain House,San Joaquin County,California <br /> COORDINATES: Y 37.7753126896,X -121.520280936 PROJECT NO.: 06-6102-00-6317-120 <br /> SURFACE ELEVATION: NA DATUM: NA LOGGED BY: Alejandra Hernandez <br /> W ❑ E > a p z w o m GEOLOGIC COMPLETION <br /> CL "' a s J w } J Z O DESCRIPTION DETAIL <br /> ❑ ZUZ U) Z ~ m Lu (SU) <br /> Q o - <br /> HA Lean Clay (CL): about 85%F 15%S dark brown <br /> (10YR 3/3); moist; medium plasticity; some caliche <br /> 100 (<1 <br /> 0.8 <br /> 0.6 Lean Clay with Sand(CL):about 80%F 20%S brown <br /> (10YR 4/4); moist; low to medium plasticity; no <br /> 5 SB-27- hydrocarbon odor. <br /> 5' <br /> 2.3 1 <br /> SB 27 As above;yellow brown(2.5Y 4/4). 6.50 feet bgs <br /> 1.0 DP As above; moist; medium plasticity;some dark brown <br /> mottling(-5%);some caliche(<1%). <br /> SB-27- 85 <br /> 10 9.5' <br /> Sandy Silt(ML): about 60%F 40%S yellowish brown 11 feet bgs <br /> (2.5Y 4/4); saturated; low to no plasticity; no <br /> 1.5 DP hydrocarbon odor. <br /> Lean Clay with Sand(CL):about 80%F 20%S brown <br /> 100 (10YR 4/4);moist; medium plasticity;,no hydrocarbon <br /> odor;some dark brown mottling(-5%), some caliche <br /> (<1%). <br /> As above;saturated. <br /> 15 Sandy Silt(ML): about 65%F 35%S yellowish brown <br /> (2.5Y 4/4); saturated; no hydrocarbon odor; dark <br /> brown mottling(-5%). <br /> 1.1 DP As above;visible coarse sand. <br /> Lean Clay with Sand (CL): about 75%F 25%S <br /> 75 yellowish brown (2.5Y 4/4); moist; medium plasticity; <br /> no hydrocarbon odor;dark brown mottling. <br /> a <br /> a <br /> 0 <br /> c� <br /> 0 20 2.2 DP <br /> Z <br /> w SB-27- <br /> < 21' 100 <br /> c� <br /> 0 <br /> J <br /> a <br /> c� <br /> 0 <br /> LU <br /> LU Boring terminated at 24 feet bgs <br /> LU <br /> 0 <br /> u <br /> DRILLING CONTRACTOR: RSI REMARKS: Hand cleared to 8 feet bgs. Prepacked well screen installed from 11 to <br /> Z <br /> DRILLING METHOD: Direct Push 16 feet bgs <br /> Z <br /> w DRILLING EQUIPMENT: Geoprobe 6620 DT <br /> a <br /> °o DRILLING STARTED: 4/1/08 ENDED: 4/1/08 <br /> J <br />