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BORING NO.: SB-20 SHEET 1 OF 3 <br /> ::: <br /> PROJECT: USCan-Welty Road <br /> Fro;r;Scieo6e to SOluliofis <br /> LOCATION: Vernalis,San Joaquin County,California <br /> COORDINATES: Y 37.6302665577,X -121.287487228 PROJECT NO.: 180965.00.10335.8131.130 <br /> SURFACE ELEVATION: NA DATUM: MSL LOGGED BY: Sean Gehlke <br /> CL W ❑ E �ii uj ii � a p z w o m GEOLOGIC COMPLETION <br /> CL "' a s J w } J Z O DESCRIPTION DETAIL <br /> ❑ � ZUz U) Z � mo w �U) <br /> Q o - <br /> HA SANDY SILT(ML):about 75%F 25%S dark yellowish ^ <br /> brown(10YR 4/4);dry;very soft;no odor. <br /> 100 <br /> 6.7 <br /> •7 l�•�A'l� <br /> 2.0 <br /> 5 SB-20- <br /> 5' <br /> 11.4 <br /> 16.6 DP As above;65%F 25%S 10%G;dry;no odor. <br /> 40 <br /> 10- <br /> 9.1 DP LEAN CLAY(CL): about 80%F 20%S brown (7.5YR <br /> 5/2);dry;stiff;no odor;iron oxide staining. <br /> 35 ME <br /> 15- <br /> 220 DP SILT (ML): about 80%F 20%S dark greenish gray <br /> (10Y 4/1); dry; medium stiff; moderate hydrocarbon <br /> 55 odor. <br /> 0 <br /> 20 90.6 DP As above;dry;strong hydrocarbon odor. <br /> 0 <br /> M 55 <br /> z <br /> z <br /> w <br /> a <br /> c� <br /> O <br /> J <br /> a <br /> 24.7 DP As above;dry;strong hydrocarbon odor. <br /> N <br /> W <br /> Z <br /> Q <br /> DRILLING CONTRACTOR: RSI REMARKS: Hand cleared to 8 feet bgs. No groundwater sample collected. <br /> z DRILLING METHOD: Direct Push <br /> z <br /> w DRILLING EQUIPMENT: Geoprobe 6620 DT <br /> a <br /> 001 DRILLING STARTED: 8/12/08 1 ENDED: 8/12/08 <br /> J <br />