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BORING SB-2 7 <br /> SAIC PROJ CT:O Ahern Road-Vernalis SHEET 1 OF 3 <br /> LOCATION Vernalis,San Joaquin County,California <br /> COORDINATES: Y 37.63416,X -121.2911 PROJECT NO.: 26012S163A-0711-100 <br /> SURFACE ELEVATION: NA DATUM: WGS84 LOGGED BY: Sergio Schirripa/Sean Gehlke <br /> J <br /> } <br /> = Uw> w Q rn X (LJ <br /> � w _o E a w a > a o Z j m GEOLOGIC COMPLETION <br /> o � a s Q Q Z Q m o o DESCRIPTION DETAIL <br /> Z�0 Z U U� <br /> Q _ <br /> HA SILT (ML): about 100%F brown (10YR 4/3); dry; <br /> medium stiff. <br /> 1 <br /> 0.4 00 <br /> 0.1 <br /> 5 SB-2 <br /> @5' <br /> 0.0 As above: about 80%F,20%S;dark yellowish brown <br /> (10YR 4/4);soft. <br /> 0.0 DP Lean CLAY(CL): about 90%F 10%S dark yellowish <br /> brown(10YR 4/2);dry;soft;low plasticity;fine sand. <br /> 50 <br /> 10 DP <br /> 0.0 60 As above:single gravel clast;quartz. <br /> Sandy Lean CLAY (CL): about 70%F 300/*S <br /> moderate yellowish brown(10YR 5/4);dry;firm;low <br /> plasticity,fine sand. <br /> Clayey SAND (SC): about 40%F 60%S moderate <br /> yellowish brown(10YR 5/4);dry;dense;fine sand. <br /> 15 0.0 <br /> DP Lean CLAY with sand (CL): about 805/oF 20°/uS Neat Cement <br /> moderate yellowish brown(10YR 5/4);dry;firm;low <br /> `" 50 plasticity,fine sand. <br /> Clayey SAND (SC): about 20%F 80%S moderate <br /> yellowish brown (10YR 5/4); dry, dense; fine to <br /> o medium sand. <br /> @17 ft bgs: As above; increasing fines (60%S, <br /> 4 40%F);fine sand. <br /> N <br /> F 20 0.7 SB-2 DP Sandy Lean CLAY (CL): about 60%F 400/.S <br /> a @20 moderate yellowish brown (10YR 5/4);dry;firm;fine <br /> W 60 sand. <br /> Z Poorly Graded SAND with clay(SP-SC):about 10%F <br /> a 90%S moderate yellowish brown (10YR 5/4); dry, <br /> loose;fine sand. <br /> m Sandy Lean CLAY (CL): about 70%F 30%S <br /> a moderate yellowish brown (10YR 5/4); moist; soft; <br /> = low plasticity;fine sand. <br /> 2 25 DP Clayey SAND (SC): about 30%F 70%S moderate <br /> 0.0 yellowish brown(10YR 5/4);moist to wet;dense;fine <br /> 0 60 sand. <br /> �t As above:about 40%F,60%S. <br /> a Clayey SAND with gravel (SC): about 25%F 50%S <br /> Of 25%G;dark yellowish brown(10YR 4/2);dry,dense; <br /> > fine to coarse sand;1-inch diameter gravel clasts. <br /> 0 <br /> a <br /> Z . <br /> W <br /> = DRILLING CONTRACTOR: PeneCore Drilling REMARKS: Hand cleared to 8 feet bgs. No groundwater sample collected from upperwater-bearing <br /> a <br /> o zone due to separate phase oil(SPO). Temporary prepacked well screen exposed 84 to 85 feet bgs to collect <br /> DRILLING METHOD: Direct Push <br /> Z <br /> groundwater sample. <br /> uj DRILLING EQUIPMENT: Geoprobe 7822DT <br /> a <br /> o DRILLING STARTED: 2/28/12 ENDED: 3/5/12 <br /> J <br />