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Drilling Log <br /> � GROUNDWATER Monitoring Well MW- 17 <br /> ! (' TECHNOLOGY <br /> • Project Texaco/Srocktan Texaco Env,ronmentai 5erwce5 See Site Map <br /> Owner <br /> Location 440 Charter way, StoCYtor, CA Pro). No 02070 2569 For BonnV Location <br /> Surface Elev Total Hole Depth 515 t' Diameter f In COMMENTS <br /> Top of Casing Water Level Initial 4153 tt Static 39 70 to <br /> Screen. Die 4 rn Length 20 ft Type/Size 020 in <br /> Casing' Dia E in Length 30 ft Type SCh'40 PVC <br /> Fill Material 0.3 Sang Rig/Core COIF-75/S ht Spoon <br /> Drill Cc West Naz Mat Method Hollow Stem Aucer <br /> Driller Tom ►vrroht Log By Bruce Beale Date o-3`03 Permit 0 <br /> Checked By Ed Simons` License No RG#4422 <br /> C O <br /> T N <br /> �n a i V <br /> mF ma OE a ao v Description <br /> W_ �E a s E a W `0-' N (Color, Texture, Structure) <br /> L3 CD m x Q ' Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50X <br /> -2 <br /> i°S° Asphalt over dark brown clayey SILT base <br /> rr 5M <br /> 2 < t <br /> < ` Light brown silty CLAY (moist, no hydrocarbon odor) <br /> 4 < < <br /> < < 1s <br /> 6 < < 0 MW-17 31 <br /> 7 -5 32 <br /> 8 < < <br /> CL <br /> 10 ` `r s (grades olive brown) <br /> < < 12 0 Mrs-17 12 <br /> -10 13 <br /> }2 < < <br /> }4 < < <br /> < < <br /> 05 I►tt1-17 1? <br /> }� < < ! -15 15 Brown silty very fine SAND (loose with Clayey stiff streaks, moist, <br /> V1 r 22 no hydrocarbon odor) <br /> < < ML <br /> }g < I <br /> < <VI If I, <br /> 20 < ` g Mottled broti,-i and gray silty CLAY (moist, no hydrocarbon odor <br /> • ` < <br /> 112 IMY,-17 15 y ) <br /> -20 i9 CL <br /> 22 < < <br /> < < <br /> 24 c < ML Brownish gray Interlayered clayey SILT and silty CLAY (moist no <br /> hydrocarbon o0or) <br /> II/IB/I6B3 httUog-rt+arB3 Paae 1 of 2 <br />