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== BORING NO.: SB-10 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 37.7771494872,X -121.522367373 PROJECT NO.: 06-6102-00-6317-120 <br /> SURFACE ELEVATION: NA DATUM: NA LOGGED BY: Sean Gehlke <br /> W ❑ E > a o 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 Lean Clay(CL): about 85%F 15%S very dark brown <br /> (7.5YR 2.5/2);moist;stiff;root fragments present. <br /> 100 <br /> 0.4 <br /> Sandy Lean Clay (CL): about 75%F 25%S brown <br /> (7.5YR 5/4);moist;stiff. <br /> 0.3 <br /> 5 SB-10- Clayey Sand(SC): about 25%F 75%S brown (7.5YR <br /> 5/3);moist. <br /> 0.4 <br /> Lean Clay (CL): about 85%F 15%S very dark <br /> greenish gray(5GY 3/1); moist; slight hydrocarbon <br /> 8.0 DP odor. <br /> 100 <br /> 10 8.2 As above, separate phase oil (SPO); strong <br /> hydrocarbon odor <br /> Lean Clay (CL): about 85%F 15%S very dark <br /> 27 SB-10- greenish gray(10GY 3/1);moist;SPO present. <br /> 11.5' DP Sandy Lean Clay(CL): about 60%F 40%S greenish 12 feet bgs <br /> black (5GY 2.5/1); moist; strong hydrocarbon odor; <br /> 100 SPO present. <br /> 35.7 Clayey Sand (SC): about 35%F 65%S greenish <br /> o black (5GY 2.5/1); moist; strong hydrocarbon odor; <br /> izz 0 15 SPO present. <br /> Sandy Lean Clay(CL): about 80%F 20%S greenish <br /> black (5GY 2.5/1); moist; strong hydrocarbon odor; <br /> z 176 DP SPO present. <br /> z <br /> w <br /> a 339 SB-10- 100 <br /> °0 17'FFP <br /> J <br /> a SB-10- <br /> 18' <br /> of <br /> LU Clayey Sand(SC):about 40%F 60%S greenish black <br /> (5GY 2.5/1);strong hydrocarbon odor. <br /> DRILLING CONTRACTOR: RSI REMARKS: Hand cleared to 8 feet bgs. Depth discrete groundwater sample <br /> o DRILLING METHOD: Direct Push collected by installing prepacked well screen 30 to 35 feet bgs. <br /> z <br /> z <br /> w DRILLING EQUIPMENT: Geoprobe 6600 DT <br /> a <br /> °o DRILLING STARTED: 3/20/08 1 ENDED: 3/20/08 <br /> J <br />