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0bConestoga-Rovers ociates ..� BORING/WELL LOG <br /> ' 19449 Riverside Driv 'uite 230 <br /> Sonoma,CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-10 <br /> JOB/SITE NAME Independent Shell-branded Service Station DRILLING STARTED 28-Oct-09 <br /> LOCATION 4315 Waterloo Road,Stockton,California DRILLING COMPLETED 30-Oct-09 <br /> PROJECT NUMBER 241359 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION NA <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 10 inch SCREENED INTERVAL 70 to 85 fbq <br /> LOGGED BY C.Rodriquez DEPTH TO WATER(First Encountered) 75.0 ft(30-Oct-09) Q <br /> REVIEWED BY A.Rosecrance DEPTH TO WATER(Static) NA 1 <br /> REMARKS <br /> C0 r M <br /> m <br /> O Q ~ W a (6 SOIL DESCRIPTION Z H WELL DIAGRAM <br /> D XX <br /> IL U W D D 19 O D <br /> ` CONCRETE 6 inches 0.5 <br /> SILT(ML);dark yellowish brown(10YR 4/4);dry;20% <br /> clay,70%silt,10%fine sand;low plasticity. <br /> 5 @ 5'-dark yellowish brown(10YR 3/4);25%clay,65% <br /> 0.6 's MW-10-6 silt,10%fine sand. <br /> a <br /> 0.7 a MW-10.10 10 ML @ 10'-10%clay,80%silt, 10%fine sand. <br /> e <br /> 5 15 @ 15'-dark grayish brown(2.5Y 412);5%clay,80%silt, <br /> 7.6 s MW-10-15 15%very fine sand. <br /> o s <br /> @16'-dark grayish green(5GY 3/2);25%clay,70%silt, <br /> 5%very fine sand. <br /> a <br /> Lu <br /> 24.5 i° MW-1G-20 20 @20'-10%clay,55%silt,35%very fine sand. 21,0 <br /> 71 Silty SAND(SM);olive gray(5Y 4/2);dry;35%silt,65% <br /> z very fine sand;low plasticity. <br /> sM <br /> v <br /> 5 25 25.5 <br /> LL 0.5 MW-10.25 i2 SAND with Silt and Gravel(SP-SM);yellowish brown• 26.0 <br /> 10YR 5!6 d 10%silt 90%fine to medium sand. <br /> VSAND(SP);yellowish brown(10YR 5/6);dry;5%silt, <br /> SP 95%fine to medium sand. <br /> 30.0 <br /> 1s 30 GP-GM GRAVEL with Silt and Sand(GP-GM);brown(7.5YR 31.0 <br /> 2,g ss Mw-loco 4/3);dry;10%silt,40%fine to medium sand,50%fine <br /> N ravel. <br /> a SILT(MLI:brown(7.5YR 4/3);dry;15%clay,70%silt, <br /> 15%very fine sand;low plasticity. Portland Type I/It <br /> 0.3 Mw-lo as 35 @35'-15%clay,80%silt,5%fine sand. <br /> 11 <br /> a <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> ii p.7 ;; Mw-lo ao 40 @40'-20%clay,75%silt,5%fine sand;stiff,blocky <br /> 0 21 structure,caliche present. <br /> J <br /> J <br /> WyJ <br /> Continued Next Page PAGE 1 OF 2 <br />