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SOIL BORING AND WELL CONSTRUCTION LOG: SB-4/MW-2 Project No C-1.78 <br /> CLEARWATER GROUP INC Sheet 1 of 2 <br /> FIELD LOCATION OF BORINGS! <br /> MONITORING WELLS CLIEMILOCATION PLANNED USE BORING DEPTH BORINGIWELL NO <br /> IT Barnes Tnwlan2 Facihtv Stockton CA Exploratory 30 feet SB-4/MW-2 <br /> DRILLING CONTRACTOR DRILL RIG TYPE WELL DEPTH BORING DIAMETER. <br /> , - L Spectrum DrIlling CME-75 26' 8 Inches <br /> DRnd.RIG OPERATOR. WELL MATERIAL WELL DIAMETER SCREEN SLOT SIZE <br /> 9 • �, Bobby Nixon Sch 40 PVC 2" 0 020" <br /> SF) Q MW 1 <br /> O Mw u^� y WELLIBOREHOLE SEAL FILTER PACK <br /> Grout with 5% bentonite 2/12 <br /> rn <br /> z SAMPI.INCSTMATE SAMPLING METHOD CA modified 18"-s ht spoon <br /> d 3? NT <br /> ? Lu <br /> _ FIRST ENCOUNTERED WATER DEPTH 16 feet <br /> 3�A S a > ta7 t7 <br /> STATIC WATER DEPTH DATE 12 ft- 9129/97 <br /> 3 <br /> O 1 <br /> tt 2 <br /> o iu 3 <br /> u <br /> AG <br /> 4 <br /> 5 <br /> 4 0 ° 95 CLAY (CL) with sand,brown, plastic,dry to moist <br /> 7 6 <br /> 7 <br /> 8 <br /> 9 <br /> H <br /> F 2 10 0 5 95 Silty CLAY (CL) with sand, brownish gray, moderate <br /> to 3 0 plasticity, stiff <br /> cV <br /> "D <br /> x <br /> � 14 <br /> a r 15 0 5 95 Silty CLAY (CL) with micaceous sand,brownish gray, <br /> s Q <br /> = 16 ° moderate-high plasticity, stiff, moist <br /> 17 <br /> r Is <br /> m <br /> a <br /> 19 Silty CLAY (CL) wtth sand, brownish grey, moist-wet <br /> a <br /> a o 20 0 5 9 <br /> 3 0 0 95 s Well graded SAND w/CLAY(SW-SC),gray,medium grained <br /> 5 x 21 sand, wet, slight hydrocarbon odor <br /> zz <br /> 23 <br /> za <br /> Well graded SAND w/CLAY(SW-SC),greenish gray, <br /> 17 23 0 0 95 5 medium grained sand, wet Slight hydrocarbon odor present <br /> za <br /> 26 In first half of sample and absent in bottom (toe) <br /> z7 <br /> cri 28 <br /> O 29 <br /> a <br /> a <br /> < 30 <br />