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a � <br /> SEER GilRo UNDWATER <br /> la v-761 <br /> TECHNOLOGY, INC. Monitoring Well Drilling Log <br /> Project Texaco/Stockton ownerTexaS¢-Be�7,n.�.i�g_ & Ma erk = Sketch Ma{� <br /> Location- 640 Cha12hpz..1bfaY_... Project Number.- 202/150-4150 <br /> Date Drilled 5/11/89 ental Depth of Hole 46 ft. Diameter-1-0-5 :Ln. SEE SITE PLAN <br /> Surface E]evoticn- Water Level initial 30.5 ft24—hour <br /> Screen: Dia. . .4 fn. _1_sngth 20 ft-^ . .Slot SIze_,_OZD zn. <br /> Casing: Dia. 4 in. .Length 26 ft._Type PVC <br /> Drilling Compony Sierra Pacific. DrIlling Method Hollow stem Auger . <br /> Driller—S. 5c17. pJ=raer- , Lag by M.Ostendorf Notes: <br /> Geologist / Engineer License No. <br /> Lill <br /> ilescriptlon/Solt Classificatlon <br /> (Color, Textures Structures) <br /> 3 <br /> 0 a Cr 6 inches concrete <br /> •-:: Tan, gravelly sand moist no product odor <br /> 2 0 Black, clayey silt (moist, no product odor) <br /> e (white shell material in cuttings) <br /> 0 <br /> fi o Q A ML <br /> 10 Tan, clayey silt (stiff, moist, no product odor) <br /> $ o <br /> o (grades clayey) <br /> Tan, silty clay (stiff, moist, slight product odor) <br /> D a7 <br /> j 2 i so g <br /> j6 <br /> ' Q <br /> 1 4 �o <br /> is G <br /> 0 7 <br /> ` Q 3GL <br /> 3 (white caliche stringers in sample) r ' <br /> 20 0 <br /> po _ D ` <br /> 22 a � 17 (grades brown., very stiff, moderate product <br /> t� odor in sample) <br /> 24- <br /> a/" <br /> 4a/" ftv a Page_Lof.2— <br />