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Drilling Log <br /> j� GROUNDWATER Monitoring Well MW-17 <br /> !J� TECHNOLOGY <br /> Project Texaco/Stockton Owner Texaco Environmental Services <br /> Location .440 Charter Way, Stockton. CA Pro( No. 02070 2562 <br /> o .. c o <br /> a� �, of a) r Description <br /> .,a a c ap <br /> o�- 3 E a e a 10-' (Color, Texture, Structure) <br /> v -m° x j Trace < 10%. Little 10% to 20%, Some 20% to 35%. And 35X to 50% <br /> 24 <br /> Brown clayey SILT and silty CLAY (continued) <br /> < < 15 <br /> 26 11.0 MW-17 17 - <br /> -25' 23 ML <br /> 28 . <br /> Olive brown medium SAND <br /> CL <br /> 30 = 15 <br /> 8.0 M,w-17 15 <br /> _ -30' 26 (grades to gray sandy CLAY) (moist, slight hydrocarbon odor) <br /> 32 ' = cl <br /> 34 <br /> 11 Greenish gray silty sandy CLAY (rootlet casts, moist, slight <br /> 36 = 5.5 MW-17 1) hydrocarbon odor) <br /> -35' 14 <br /> CL <br /> 38 <br /> 40 = T Static depth to water, 9-3-93, 1200 hrs. <br /> 8 <br /> :•111.5 Mw-17 10 Bluish gray CLAY (moist, strong degraded hydrocarbon odor) <br /> -40' 16 <br /> 42 = CL - Encountered water, 9-3-93, 1100 hrs. <br /> 44 =_ <br /> Greenish gray silty sandy CLAY (very stiff, moist, degraded <br /> t0 hydrocarbon odor) <br /> 4 6 = I ILO MW-17 11 <br /> —45' t4 CL <br /> 48 = <br /> Greenish gray clayey silty fine SAND (wet, degraded hydrocarbon <br /> SM odor) <br /> 6.0 MW-17 9 <br /> —50' 12 <br /> 52 End of boring. Installed monitoring well. <br /> - 54 - <br /> - 56 - <br /> 11/16/1993 <br /> 11/16/1993 HtMog—mar93 Page: 2 of 2 <br />