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I <br /> SOIL BORING AND WELL CONSTRUCTION LOG: SB-4/MW-2 Protect No C-178 <br />' CLEARWATER GROUP INC Sheet 1 of 2 <br /> FIELD LOCATION OF BORINGS! CL.IENTMOCATION PLANNED USE. BORING DEPTH BORING/WELL NO <br /> MONITORING WELLS Nt Exploratory 30 feet SB-4/MW-2 <br />' BetnGa Ttnclue¢Faciluv Stockton CA <br /> -- <br /> DRILLING CONTRACTOR. DRILL RIG TYPE_ WELL DEPTH BORING DIAMETER <br /> I � Spectrum Dolling CME-75 26' 8 inches <br /> x0v+x I z DRILL RIG OPERATOR WELL MATERIAL WELL DIAMETER. SCREEN SLOT SUE <br /> 2 J Bobby Nixon Sch 40 PVC 2" 0 024" <br /> a I <br /> �.. " WELLIBORFFIOLE SEAL_ FII.rER PACK <br /> MW Grout with 5% bentonite 2/12 <br /> I <br /> �y z <br /> SAMPLING O PE PEER ENT SAMPLING METHOD CA modified 18"-split soon <br /> OVA-IRMW > FIRS'ENCOUNTERED WATER DEPTH. 16 feet <br /> a E 3 m n— 0 n TM O sTATIC WATER DEPTH-DATE 12 ft- 9/29/97 <br /> I � <br /> 1 <br /> C7 <br /> 2 <br /> o d o 0 3 <br /> ao 4 <br /> 2 S ° 5 95 <br />' 4 6 ° CLAY (CL) with sand, brown, plastic, dry to moist <br /> 7 <br /> 7 <br /> a <br /> 9 <br /> m Silty CLAY(CL)with sand,brownish gray, moderate _ <br /> ° ° 3 plasticity, stiff <br /> z 4 11 <br /> 3 <br /> o U <br /> 12 <br /> cati 0 13 <br /> 1S <br /> 14 <br /> C+� <br /> 4 Is o s 95 Silty CLAY (CL) with micaceous sand,brownish gray, <br /> moderate-high plasticity, stiff, moist <br /> B — <br /> 17 <br />' r 1s <br /> m <br /> w <br /> � 19 Silty CLAY(CL)with sand,brownish grey,moist-wet <br />' 20 <br /> 3 0 ° 95 s5 Well graded SAND w/CLAY(SW-SC),gray,medium grained <br /> S 21 sand, wet, slight hydrocarbon odor <br /> x <br /> 22 <br /> S 23 <br /> 24 <br />' Well graded SAND wl CLAY(SW-SC),greenish gray, <br /> • zs o 95 s medium grained sand, wet Slight hydrocarbon odor present <br /> 17 <br /> ze In first half of sample and absent In bottom (toe) <br /> 24 xs <br /> 127 <br /> a � <br /> 28 <br /> 29 <br /> a <br /> �� «A 30 <br />