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' Total depth of Loring, 65 ft Diameter of borings ,0 In Data drilled, 10/17/91 <br /> Casing diameter, 4 n Lengths 64 ft Slot size, 0 020 ,n <br /> Sareen diameter, 4 in Lengths 20 ft Material type, PVC <br /> DrIffIng Company, westex Drillers Chas & uark <br /> Method Uneds Hollow-stem Auger Field Geolaglst, Clauaro <br /> ' Signature of Registered Professional, <br /> Registration Noj 4313 State, Calif <br /> SAMP1 <br /> ' DEPTMI NO. <br /> I PLD'; COGEI DESCRIPTION Wim- 4 <br /> CONST. <br /> ' t <br /> _ 0 I a5phdit ► <br /> - � i <br /> _.iv sono •eadi;h Drown <br /> Sana some _it } <br /> I <br /> I <br /> -5 56 0 I L <br /> mSilt same clav olack to I,gnt brown slightly cc-in _tiaht I•-.I <br /> 6 ppv I plasticity nard <br /> I . I <br /> I .I <br />' S-10 180 I �,N Sana tine- to medium-grained 'rant brown pant -live <br /> - 'C ppmv h ;reen sliahtly damp, meawm cense <br /> , I <br /> 12 � I •t i I <br /> I � I <br /> - 14 .� <br /> i <br /> S-15 1 25ppmv ' Moderate brown <br /> L <br /> • I <br /> - 20 S-20 all 0 ML Silt come clay light brown snantty camp c writ rlosticity, <br /> } ppmv hard •� <br /> IA (section continues downward,' <br /> . J <br /> LOG OF BORING: B-9/MW-4 PLATE <br /> V! U ARCO Service Station No. 548 <br /> 7612 Hammer Lane 13 <br /> PROJECT NO. 30004-4 000 �8A Stockton, California <br />