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== BORING NO.: SB-39 SHEET 1 OF 2 <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 37.7759945208,X -121.520556466 PROJECT NO.: 46010SC137-A10-121 <br /> SURFACE ELEVATION: NA DATUM: NA LOGGED BY: Sergio Schirripa <br /> CL W ❑ E ii w ii � a p z w o m GEOLOGIC COMPLETION <br /> CL D' a s J w } J Z O DESCRIPTION DETAIL <br /> ❑ � ZUz U) Z � mo w �U) <br /> ¢ o - <br /> SILT (ML): about 100%F dark grayish brown (10YR ^ <br /> HA 4/2);dry;firm. <br /> 100 <br /> 0.0 <br /> •7 l�'A'l� <br /> Native soil <br /> :��.'•Jig: <br /> 0.2 As above: increase in sands (about 90%F 10%S); ._k•!>•_•k'!- <br /> color change to yellowish brown (10YR 5/4); dry; ,�•4I),'M <br /> 5 SB-39- soft. <br /> 5' <br /> 0.7 1 5.8 feet bgs <br /> As above:moist. <br /> SB-39 Q 6.5 feet bgs <br /> 0.0 As above:wet. <br /> 10 <br /> -------------- <br /> DP Silty SAND (SM) about 35%F 60%S 5%G; wet; <br /> loose. Neat cement <br /> 100 SILT (ML): about 90%F 10%S brown (10YR 4/3); <br /> moist;firm. <br /> 0 <br /> N SILT with sand (ML): about 80%F 20%S olive gray <br /> F 15 DP (5Y 4/2);dry;firm. <br /> As above:moist. <br /> M <br /> z100 As above:moist;sheen present. <br /> w <br /> 0 <br /> 0 <br /> J <br /> d <br /> C7 <br /> 7 <br /> 7 <br /> H <br /> Silty SAND (SM): about 30%F 70%S very dark gray <br /> Co (5Y 3/1); wet; medium dense; separate phase oil <br /> resent. <br /> DRILLING CONTRACTOR: Penecore Drilling REMARKS: Boring hand cleared to 12 feet bgs. Temporary prepacked well screen set from 7 to 12 <br /> o DRILLING METHOD: Direct Push feet bgs to collect groundwater sample. Direct push advancement followed the collection of first encountered <br /> z groundwater sample. <br /> w DRILLING EQUIPMENT: Geoprobe 7822DT <br /> a <br /> °o DRILLING STARTED: 11/17/09 1 ENDED: 11/17/09 <br /> J <br />