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Conestoga-Rovers & Associates BORING/IAIELL LOG <br /> � 19449 Riverside Drive, Suite 230 <br /> Sonoma, CA 95476 <br /> r - Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME B-1136 <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 14-Nov-11 <br /> LOCATION Cordes Ranch, Tracy California DRILLING COMPLETED 14-Nov-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 117.96 ft above mat <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 25/811 SCREENED INTERVAL NA <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) NA Q <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA 1 <br /> REMARKS Airknifed to 5 ft. <br /> O <br /> TEg W Z F „ xUa IW- e- 00SOIL DESCRIPTIONLu to F¢ 2 WELL DIAGRAM <br /> Q � v � J 0a <br /> g U W <br /> Clayey SILT (ML) ; very dark brown (1 OYR 2/2); dry; <br /> 30% clay, 70% silt. <br /> 5 ML @4' - moist. <br /> 0.3 e-1136-5 <br /> @5' - light yellowish brown (1 OYR 6/4); moist; 85% silt, <br /> 15% fine sand. <br /> @8' - yellowish brown (1 OYR 5/4); moist; 5% clay, 95% <br /> silt. 9.5 <br /> 0.3 B-1138-10 10 SAND (SP) ; yellow (1 OYR 8/6); moist; 5% silt, 95% fine <br /> SP sand. <br /> @11 ' - yellow (10YR 8/6); moist; 10% silt, 90% fine sand. 12.0 <br /> SILT ML ellow I OYR 8/61; moist 100% silt. 12.5 <br /> SP SAND ISP) ; yellowish brown (10YR 5/4); moist; 10% <br /> silt, 90% fine sand. 14.5 <br /> 15 OP Sandv GRAVEL (GP) ; yellowish brown (10YR 5/4); 15.2 <br /> 0.3 3-1133-15 moist 10% silt 40% sand 50% fine gravel. <br /> SP SAND (SP) ; yellowish brown (10YR 5/4); moist; 10% <br /> silt, 90% fine sand. 17.5 Portland Type IIN <br /> _ <br /> Clayey SILT (ML) ; yellowish brown (1 OYR 5/4); moist; <br /> ML 30% clay, 70% silt. <br /> 0 0.3 BA1313-20 20 20.2 <br /> FSilty SAND (SM) ; yellowish brown (10YR 5/4); 300/csilt, 20.4 <br /> SP \70% fine sand. <br /> LL SM : Gravelly SAND (SP) ; yellowish brown (1 OYR 5/4); moist; 22.0 <br /> 10% silt 60% medium to coarse sand 30% fine ravel. 23.0 <br /> ML Silty SAND ISM) ; yellowish brown (10YR 5/4); moist; <br /> z <br /> 30% silt 70% fine sand. 242 <br /> 25 Clayey SILT (ML) ; yellowish brown (10YR 5/4); moist; 24.5 <br /> 09 0.3 8-1138-25 30% cla 70% silt. <br /> ML Ir <br /> SAND ISP) ; yellowish brown (10YR 5/4); moist; 100 <br /> fine sand. <br /> 27.5 <br /> SP Gravelly Sand - SILT [ML) ; yellowish brown (10YR 5/4); 28.0 <br /> moist; 50% silt, 30% fine to medium sand, 200%o fine <br /> grave <br /> l. <br /> 0.3 e-113830 30 SAND (SP) ; yellowish brown (10YR 5/4); moist; 5% silt, <br /> 95% fine sand. <br /> ML Clayey SILT (ML) ; yellowish brown (I OYR 5/4); moist; <br /> 20% clay, 70% silt, 10% fine sand. <br /> i <br /> i <br /> 0.3 B-773e3535 35.0 <br /> Bottomof <br /> Boring @ 35 ft <br /> L <br /> 40 <br /> PAGE 1 OF 1 <br />