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Project: Strong Property Project No.: AGE-NC-98-0440 BORING NO.: <br /> Site Address: 5157 West Business Loop 205 Total Depth: 25 ft. B4 <br /> Tracy, California <br /> '41 <br /> Date: 09 July 1998 <br /> Drilling Co.: Soils Exploration Services Logged by: T. Cuellar Page I of I <br /> Drill Rig Type: B-60 M-D.R/8-inch H.S. augers Reviewed by: N. Henderson <br /> is <br /> ........... <br /> 0 <br /> m�: <br /> 9 C.... . <br /> I9' ii Description <br /> Mottled pale brown and red-brown, damp, fine sandy,clayey <br /> B4-5 0 4-5-8 ML SILT.About 90%fines; about 10%fine sand.No petroleum <br /> hydrocarbon(HQ odor. <br /> Dark blue and gray, Saturated,medium dense, silty fine SAND. <br /> 10 B4-10 400 5-7-8 SM • About 70%fine sand;about 30%fines. Strong HC odor. <br /> Pale brown, very moist, stiff,silty CLAY. No visible <br /> B4-15 0 4-6-7 CL sand.No HC odor. <br /> Pale brown, saturated,medium dense,silty, fine SAND. About <br /> 20— B4-20 0 5-7-9 SM 70%fine sand; about 30%fines.No HC odor. <br /> Mottled pale brown and red-brown, damp, very stiff,silty CLAY. <br /> B4-25 0 7-10-10 CL No HC odor.No visible SAND. <br /> Notes: <br /> Boring B4 terminated at a total depth of 25 feet below surface <br /> grade(bsg). Ground water encountered at approximately 12 feet <br /> bsg. Boring backfilled to surface grade utilizing portland cement. <br /> 30- <br /> 40— <br /> Advanced ... <br /> GeoEnvironmenta 1, Inc. <br /> L:%AMIPRO%BORIN --I%STR-ONGW"084.gAM-OWlfd98@ 1:42PM <br />