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Drilling Log <br /> ❑ GROUNDWATER Monitoring well MW--17 <br /> ❑ TECHNOLOGY <br /> Project Texaco/Stockton owner Texaco Environmental Services See Site Map <br /> _ 02070 256., For Boring Location <br /> Location 440 Charter Way, Stockton, ,,. _ P.ra� No 0 <br /> Surface Eley. Total Hole Depth 515 ft Diameter 8 A COMMENTS <br /> Top of Casing Yater Level Initial 4153 ft Static 3970 ft <br /> Screen. Dia 4 in. Length 20 ft Type/Size 020 in <br /> Casing- Dia 4 In Length 30 ft Type SCH 40 PVC <br /> Fill Material f3 Sand Blg/Core CMS'-75 S lit Spoon <br /> Drill Co. West Haz Mat Method Hollow Stem Auoer <br /> j Driller Tom Wrraht Log By Bruce Beale Date 9-3-93 Permit <br /> Checked By Ed Smones License No. RG#4422 <br /> c � <br /> o r <br /> CL= �� OE Q. °i a� Description <br /> ov E a s E m '�� <br /> X (Color. Texture, Structure) <br /> o�y m x c1 j Trace < 10%. Little I= to 20%, Some 20% to 35%, And 35% to 50% <br /> —2 <br /> 0 <br /> Asphalt over dark brown clayey SILT base <br /> 5M <br /> 2 < < <br /> ` Light brown silty CLAY (moist, no hydrocarbon odor) <br /> < i9 <br /> 6 < c 0 MH-17 31 <br /> -5 32 <br /> CL <br />- -- -- -10 < - < -- -- $ (grades-olive brown) ---- --- - - -- - - --- <br /> < < <br /> 20 MH-17 12 <br /> -10 13 <br /> 12 < <br /> < < <br /> 14 < <br /> a 5 MW-17 12 <br /> j6 < < -15 15 Brown silty very fine SAND (loose with clayey stiff streaks, moist. <br /> 22 no hydrocarbon odor) <br /> < < ML <br /> 18 < < <br /> c < <br /> 20 < ` g Mottled brown and gray silty CLAY (moist no hydrocarbon odor) <br /> < < 112 mwt 17 15 <br /> -20 19 CL <br /> 22 <Nit �r <br /> < . <br /> 24 < < ML Brownish gray interlayered clayey SILT and silty CLAY (moist, no <br /> l hydrocarbon odor) <br /> 11/15/1293 fitftg-marU Page f of 2 <br />