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I SOIL BORING AND WELL CONSTRUCTION LOG: SB-6/MW-3 Project No C-178 <br /> CLEARWATER GROUP INC Sheet .j of 2 <br /> FIELD LOCATION BORINGS/ <br /> MONITOItiNG WELLS CI.IENTA.00ATION PLANNED USE. BORING DEPTH BORING/WELL NO <br /> I N Eam"Tmekin¢Famlity Stockton CA Explornt"y/Moultoring 35 feet SB-61MW-3 <br /> DRILLING CONTRACTOR. DRILL RIG TYPE WELL DEPTH. BORING DIAW-MIL <br /> Spectrum Drilling CME-75 26' 8 Inches <br /> i S Z DRILL RIG OPERATOR WELL MATERIAL WELL DIAMETER SCREEN SLOT SIZE. <br /> Bobby Nixon Schedule 40 PVC 2" 0020"¢� s a MW, I <br /> ►tw I m WELUBOREHOLE SEAL FILTER PACK <br /> Grout with 5% bentonite # 2/12 <br />' s.+MPi]NG ESTAIATED SAMPLING METHOD CA modified 18"-split spoon <br /> z V PERCENT <br /> , S -PTD <br /> FIRST <br /> FIRST ENCOUNTERED WATER DEPTH 16 feet <br /> NEI <br />' 3uA S 3 o <br /> STATIC WATER DEPTH-DATE 12ft- 9129197 <br /> Elm <br /> 1 'f rf'f rf <br /> o ed ° 3 <br />' ami % <br /> ti %'f <br /> 4 <br /> 6 5 <br />' 6 o a so 2a <br /> 0 Clayey SAND(SC),brown,sand fine-medium grained,dry <br />'. 8 <br /> it 9 %Y%! <br /> (7' 3 z 3 Silty CLAY(CL) with sand, gray,moderate plasticity, dry- <br /> II a o 15 Bs moist, contained thin lenses (1-2cm) of iron oxide stained <br /> " fine sand, slight hydrocarbon odor <br /> I ° 13 <br /> t� <br /> � 14 <br /> Clayey SAND(SC),brown,sand medium grained,dry <br />' 3 15 a a laa <br /> 5 Q 4 CLAY(CL)w/sand,gray,moderate plasticity,sand medium <br /> 10 = i6 <br /> grained, dry, thin veins(cicm) of calcium enriched soil <br /> n present <br />' m 3 <br /> 0 <br /> Lu 19 <br />' 20 <br /> 3 38 u 10 90 <br /> Silty CLAY(CL,)with sand, greenish gray,moderate <br /> (n sx 21 plascticity, wet Slight hydrocarbon odor present <br /> O <br />' 22 <br /> 23 <br /> 24 <br />' Z zs 0 95 5 Well graded SAND(SC)w/clay,gray,sand fine grained, <br /> 3 26 123 moist-wet, slight hydrocarbon odor <br /> 27 <br /> 28 <br /> `a 3o <br />