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ALISTO ENGINEERING GROUP LOG OF BORING MW-5 pa o I <br /> WALNUT CREEK. CALIFORNIA 9 <br /> f Of <br /> ALISTO PROJECT N0: 10-136-02 DATE DRILLED: 03/.30/94 <br /> CLIENT: BP Oil Company Station No. 11193 <br /> SEE SITE PLAN LOCATION: 3202 West Hammer Lane, Stockton, California <br /> DRILLING METHOD: Hollow-Stem Auger (8') <br /> DRILLING COMPANY: Soils Exploration ServicesCASING ELEVATION: 4.38 <br /> LOGGED BY: Teo Moise APPROVEDBY. Al Sevilla <br /> jg c ra <br /> (n rn <br /> oy WELL DIAGRAMca'm 5 � � GEOLOGIC DESCRIPTION <br /> M 0. <br /> Now <br /> a N furl <br /> L7 <br /> CL sp a <br /> silty CLAY:black. damp. <br /> C <br /> d <br /> 8,9,12 5 U 5 SM silty SAND; brown/gray, damp, medium dense; fine- to <br /> U medium-grained sand; approximately 25% fines. <br /> 0. <br /> a � _ <br /> u � � <br /> cn rn <br /> c <br /> R <br /> 7,9,12 1.2 c �0 Same: tan; coarse-grained sand: abundant medium-grafi x <br /> :; sand; minor fine-grained sand; minor flnes. <br /> — Iy' to ML clayey SILT: brown/gray, damp, very stiff. <br /> 8,9.11 17 _ 1,11411 15 <br /> _ YT <br /> — SM silty SAND: brawn, wet, medlum dense;very fine-to <br /> 0.8,12 0.5 tn 20 line-grained sand;abundant tines. <br /> � N <br /> 4 d <br /> b <br /> ❑ ti <br /> U N <br /> 2,2,3 1 0 - 2J Same: gray, wet, loose; abundant fine- to medium-gralned <br /> o — sand;minor lines. <br /> N <br /> _ SP SAND: gray/black, wet, medium dense; fine-to <br /> medium-gralned sand. <br /> 4,8,13,15 NM — 30 <br /> Stabilized groundwater measured on April 25, 1994. <br />