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t <br /> .r <br /> Project: American Tra*ftfer Company Project No.: Abe-NC-98-0483 BORING NO.: <br /> Site Address: 2701 South Highway 99 Total Depth: 31 Feet bsg B-2 <br /> Stockton, CA 95215 Date: 21 September 1998 <br /> Drilling Co.: Enviroprobe Logged by: Gary Dickenson Page 1 of 1 <br /> Rig/Auger Type: Geoprobe 5400 Reviewed by: Nuel Henderson <br /> L�tholog�c Description <br /> 4 � . .. <br /> 5 B-1-5' 0 NA SM e e SILTY SAND,brownish yellow,moist to dry,medium dense, <br /> e poorly graded,very fine to fine sand. <br /> ,.., 10— B-1-10' 0 NA SM/ML SILTY SAND/SANDY SILT,brown,moist,medium dense, <br /> poorly graded,very fine sand. <br /> V <br /> 15 B-1-15' 0 NA SM ° SILTY SAND,brown,moist,medium dense,poorly graded, <br /> – fine to medium sand,predominantly fine sand,trace clay,trace <br /> magnesium oxide spots(black). <br /> 20— B-1-20' 0 NA ML CLAYEY SILT with sand,brown,moist,medium stiff,poorly <br /> i graded,very fine sand,some light grey mottling. <br /> r <br /> 25 B-1-25' 0 NA ML i Increase in sand content,decrease in clay content to SANDY <br /> SILT,color change to brown to yellowish red,trace clay,trace <br /> ` iron oxide and magnesium oxide staining. <br /> 30— B-1-30' 0 NA SP . ; . : . SAND with silt,yellowish red,moist,medium dense,poorly <br /> ' • '-graded,very fine to fine sand,micaceous. <br /> Total depth of boring of 31 feet bsg. <br /> .r – <br /> 40— <br /> Advanced <br /> GeoEnvironmental, Inc. <br /> tow L:"WR0180RING-1WMERIC-1OORING2.SAM 11/16198@10:16AM <br />