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5�'�® BORING NO.: SB-4 SHEET 1 OF 2 <br /> PROJECT: Ahem Road-Vernalis <br /> LOCATION: Vernalis,San Joaquin County,California <br /> COORDINATES: Y 37.63505,X -121.29097 PROJECT NO.: 26012S163A-0711-100 <br /> SURFACE ELEVATION: NA DATUM: WGS84 LOGGED BY: Sergio Schirripa <br /> J <br /> a a n } <br /> 2 UW> w Q to W CL_j <br /> a w o_ E }a W a- > a o z ,e > 0 m GEOLOGIC COMPLETION <br /> W <br /> LL a n Q o Z m o DESCRIPTION DETAIL <br /> HA SILT with Sand(ML):about 85%F 15%S dark brown <br /> (10YR 3/3);moist;soft;low plasticity;very fine sand. <br /> 1.4 <br /> 100 <br /> 2.5 <br /> 5 SB-4 <br /> @5' <br /> 2.5 As above:about 80%F 20%S. <br /> 0.1 DP <br /> 100 <br /> 10 0.0 DP As above:moist. <br /> 50 Sandy SILT(ML): about 60%F 40%S brown (10YR <br /> 5/3);moist;firm;fine sand. <br /> 15 0.0 DP ° o — —— Neat Cement <br /> Silty SAND(SM):about 40/oF 60/oS yellowish brown <br /> (10YR 3/6);moist;firm;fine to very fine sand. <br /> 60 As above:dry. <br /> SB-4 Silty SAND(SM):about 20%F 80%S moist. <br /> @17' <br /> Silty GRAVEL with Sand (GM): about 20%F 35%S <br /> n 45%G;moist;dense;small gravel;well graded sand. <br /> 4 <br /> w 20 0.0 DP Clayey SAND with Gravel (SC): about 20%F 50%S <br /> 5 30%G; dry to moist; dense; well graded sand; fine <br /> 80 gravel(<1-inch diameter). <br /> z <br /> m <br /> d. <br /> 25- <br /> 0.0 DP <br /> 0 80 Sandy SILT (ML): about 70%F 30%S moist to wet; T 26.35 feet bgs <br /> J soft;very fine sand. <br /> J <br /> z <br /> K <br /> W <br /> 1 <br /> 30 0.0 DP 30 feet bgs <br /> z <br /> W <br /> T DRILLING CONTRACTOR: PeneCore Drilling REMARKS: Hand cleared to 8 feet bgs. Temporary prepacked well screen installed from 32 to 37 feet <br /> o DRILLING METHOD: Direct Push bgs to collect groundwater sample. <br /> z <br /> a <br /> DRILLING EQUIPMENT: Geoprobe 7822DT <br /> °o DRILLING STARTED: 9/10/12 1 ENDED: 9/10/12 <br /> J <br />