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ALLSTO ENGINEERING GROUP LOG OF BORING MW-7 Page I of I <br /> WALNUT CREEK, CALIFORNIA <br /> i <br /> ALISTO PROJECT N0: 10-151-02 DATE ❑KILLED: 09/08/93 <br /> { CLIENT: BP 011 Company <br /> j_<,� LOCATION: 18500 S. Interstate 1-5, Lathrop, California <br /> - SEE SITE PLAN DRILLING METHOD: Hollow-Stem Auger (8') <br /> j DRILLING COMPANY: Soils Exploration Srv. CASING ELEVATION: 14.27 <br /> LOGGED BY: Ted Molse APPROVED BY: AI Sevilla <br /> m m <br /> 0 <br /> 1--y W ~" <br /> � � <br /> JJII WELL DIAGRAM GRAN <br /> m GEOLOGIC DESCRIPTION <br /> v c� N c <br /> SM 4" Asphalt <br /> U <br /> Nr <br /> Q d➢ <br /> U <br /> silty SAND: tan, damp, loose; very fine— to fine—gralned sand; <br /> -:� <br /> 2,2,3 0abundant 11nes. <br /> f-:1 N •y <br /> — 1p <br /> a <br /> G__! 4,8,T <br /> c 10 SP SAND: tan, wet, loose; flne— to medium—gralned sand: minor <br /> o m fines. <br /> Qj <br /> ns <br /> TO °i SM silty SAND: tan,wet, loose; very fine— to flne—gralned sand; <br /> abundant silt. <br /> 2,8.12 15 <br /> N = CL silty CLAY: gray,wet, firm. <br /> SM silty SAND: tan, wet,medium dense;very fine— to <br /> = flne—gralned sand;abundand silt. <br /> 3,4,5 - <br /> - ML sandy SILT: tan/gray, wet, firm; very flne— to fine—gralned <br /> = _3 - 20 <br /> sand. <br /> 25 <br /> rn <br /> d <br /> J 30 <br /> 17, <br /> i_i <br />