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tProject: Van Buskirk Golf Course Facility Project No.: AGE-NC-98-0468 BORING NO.: <br /> Site Address: 1740 Houston Avenue Total Depth: 17 Feet bsg B-5 (MW-5) <br /> ' Stockton, California Date: 28 April 1999 <br /> Drilling Co.:' Central Valley Drilling Logged by: Gary Dickenson Page 1 of 1 Rig/Auger Type: B-5318' Dia. Hollow Stem Auger Reviewed by: Nuel Henderson <br /> 00, <br /> L'tholo �c Descri tjon <br /> g P <br /> 4 L <br /> 5 <br /> ' SM SILTY SAND,brown to grey,moist,dense,poorly graded,fine <br /> - <br /> B-5-6.5' 11/19/23 sand,micaceous, weakly cemented zones. <br /> — B-5-7.25' - 11/13/17 ML SILT with sand,grey to brown,moist,dense, fine sand,micaceous. <br /> 10— B-5-95' - 6/1019 CUSC SANDY CLAY/CLAYEY SAND,brown,moist, fine to med.sand. <br /> B-5-11' - 4/5/8 SM/ML i I I I I IT17SILTY SAND/SANDY SILT with clay,brown,moist, dense, <br /> ' — B-5-12.5' - 6/7/9 SM poorly grade, fine sand. <br /> SILTY SAND,brown,wet,medium dense, poorly graded, fine <br /> B-5-14' - 4/5/5 SC % and,trace clay. <br /> 15 B-5-15' - 314/6 CL CLAYEY SAND with silt,brown,wet,medium dense,poorly <br /> ' — raded,fine sand. <br /> B-5-17' - 5/5/7 SANDY CLAY,brown, wet, soft.At 16.5', decrease in sand <br /> — content. <br /> ' 20— Total depth= 17 feet bsg. <br /> tNote: <br /> 1)On 4128/99, install 2-inch diameter Schedule 40 PVC well <br /> casing and 0.010-inch slotted well screen. Well screen interval <br /> ' 25 — om 6.5 to 16.5 feet bsg. <br /> Installed filter pack with#12/16 Lonestar sand from 5.5 to 17 feet <br /> bsg. Bentonite seal from 3.5 to 5.5 feet bsg. Portland neat cement <br /> ' — rout seal from 1 to 3.5 feet bsg. <br /> 30— <br /> 1 <br /> ' 35 — <br /> 1 <br /> 40-- <br /> 1 <br /> Advanced <br /> ' GeoEnvironmential, Inc, <br /> L:IAhAIPR LB RING-11VAN9l! ^1W[WSA.SAM 06129/99 @ 10:56 AM <br />