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1 <br /> PROJECT NUMBER: FIELD BOREHOLE LOG BOREHOLE NUMBER <br /> 197046 B 1 (MW-1) <br /> PROJECT NAME: WFB Stockton TOTAL DEPTH(FT}: 65' <br /> LOCATION: Stockton, California <br /> DRILLING Co.: Gregg Drilling GROUND SURFACE ELEVATION: 20' <br /> DRILLING METHOD:Marl M-10 STATIC WATER LEVEL (bgs) <br /> DRILLING PARTY: Gregg Drilling Crew Depth (ft) 54.5' <br /> FIELD PARTY: Dan Goodwin <br /> REVIEWED BY: Joe Montoya, R.G., C.E.G. <br /> Time 4:45 <br /> DATE BEGUN: 2/11/97 DATE COMPLETED: 2/11/97 Date 2/11/97 <br /> ¢ x � <br />' O <br /> z ? ¢ <br /> o U <br /> 3 ¢' DESCRIPTION p U U LITHOLOGY <br /> U <br /> O � <br />' As halt <br /> B-1-1.5 0 ppm SM Silty Sand: fine grained, dark brown, <br /> 5 0slightly moist, no odor <br /> r, B-1-5 100% 16 0 ppm SM .. Silty Sand: fine grained, reddish brown, <br />' 25 dense <br /> 10.0 <br /> B-1-10 100% 79 0 ppm ML Silt: little sand, brown, slightly moist, very <br /> 18 stiff <br /> 15.0 <br /> B-1-15 100% 10 0 ppm ML Sandy Silt: light brown, slightly moist, no <br /> 17 <br />' 22 odor, very stiff <br /> 20.0 <br /> B-1-20 80% 48 0 ppm Increasing sand, hard <br /> 21 <br /> 25.0 <br /> B-I-25 80% 8 0 ppm 5P - <br /> Sand: fine grained, reddish brown, slightly cr <br /> 114 :: moist, no odor, medium dense <br /> 30.0 ........ Interbedded stringers of medium sand <br /> B-1-30 80% <br /> 8 0 ppm SM X Silty and, medium dense <br /> 14 <br /> 35.0 <br /> I B-1-35 80% 6 0 ppm No odor <br /> 20 <br /> 40.0 <br /> B-1-40 80% 60 0 ppm ML Clayey Silt: olive brown, slightly moist, no <br /> 14 odor, very stiff <br /> 45.0 <br /> B-1-45 80% 8 0 ppm Trace fine grained sand, light brown, no <br /> 21 <br /> 2 odor, slightly moist, hard <br /> 50.0 <br /> B-1-50 80% 148 0 ppm Dark brown, no odor, hard <br /> 22 <br /> 55.0 <br /> 60.0 <br /> 65.0 <br />