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ALISTO ENGINEERING GROUP LOG OF BORING MW-5 Page r of I <br /> ' WALNUT CREEK, CALIFORNIA <br /> ALISTO PROJECT NO: 10-138-02 HATE DRILLED: 03/30/94 <br /> ' CLIENT: BP Oil Company Station No. 11193 <br /> LOCATION: 3202 West Hammer Lane, Stockton, California <br /> SEE SITE PLAN DRILLING METHOD: Hollow-Stem Auger (8") <br /> 1 DRILLING COMPANY: Solls Exploration ServlcesCASING ELEVATION' 4.38 ' <br /> LOGGED BY: Ted Maise APPROVED BY: Al Sevilla <br /> Uj <br /> WELL DIAGRAM twe � d GEOLOGIC DESCRIPTION <br /> a Wo_ <br /> 1 mo �. <br /> alt. <br /> CL <br /> silty CLAY: black, damp. <br /> c <br /> 1 8,9,12 5 rj SM silty SAND: brown/gray, damp,medium dense; fine- to <br /> U medium-grained sand; approximately 25% fines. <br /> 0. <br /> O � <br /> a z <br /> N <br /> 7 9,12 1 2 c 10Same: tan; coarse-grained sand; abundant medium-grained <br /> sand; minor fine--grained sand;minor lines. <br /> ' ML clayey SILT: brown/gray, damp, very stiff. <br /> 8,9,11 17 = 15 <br /> = a SM silty SAND:brown, wet, medium dense; very iine-to <br /> 8 8,12 4 5 2Q ilne-grained sand; abundant fines. <br /> 1 4 (b <br /> h <br /> C — N <br /> = 7k <br /> 25 Same: gray, wet,loose; abundant line- to medlum-grained <br /> a sand;minor fines. <br /> N - <br /> 1 — ra SAND:SP /black wet medium dense; fine-to <br /> — S 9 Y <br /> 30medlum-grained sand. <br /> ' 4,8,13,15 NM — :•, <br /> Stabilized groundwater measured on April 25, 1994: <br />