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Conestoga-Roverssociates BORING/WELL LOG <br /> 19449 Riverside Dr'011iSuite 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-4 <br /> JOB/SITE NAME Independent Shell-branded Service Station DRILLING STARTED 08-Nov-01 <br /> LOCATION 4315 Waterloo Road,Stockton,California DRILLING COMPLETED 08-Nov-01 <br /> PROJECT NUMBER 241359 WELL DEVELOPMENT DATE(YIELD) 14-Nov-01 (41 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 32.17 ft above msl <br /> DRILLING METHOD _ Hollow-stem auger TOP OF CASING ELEVATION 31.62 ft above msl <br /> BORING DIAMETER 10-inch SCREENED INTERVAL 47 to 72 fbq <br /> LOGGED BY G.Mammini DEPTH TO WATER(First Encountered) 69.0 ft(08-Nov-01) <br /> REVIEWED BY J.Neely,RG 6927 DEPTH TO WATER(Static) 61.80 ft(16-Nov-01) 1 <br /> REMARKS <br /> E y ❑ 'z <br /> CL 7yH W Z =C9 <br /> CL z Ix S❑ m O o- ~ W Cd O SOIL DESCRIPTION z a WELL DIAGRAM <br /> E v ❑ c� 0 L <br /> SP ASPHALT 0.5 <br /> Clavev SILT:(ML);Very dark grayish brown(10YR 312); <br /> moist;20%clay,75%silt,5%fine sand;low plasticity. <br /> 0.0 RMss'^r�5 5 @5'-dark brown(10YR 3/3);hard;15%clay,800/o sift,5% <br /> fine sand. <br /> a MW 44 <br /> 0.0 9 @9�-Sandy SILT;(ML);dark yellowish brown(10YR <br /> 10 4/4);very stiff.5%clay,65%silt,30%fine sand;no <br /> plasticity. <br /> ML <br /> 22 MW-4-14' <br /> fO 0.t) 445 @14'-hard. <br /> 0 15 <br /> 'a <br /> W <br /> 0 <br /> a <br /> 17 <br /> MW-4-19 <br /> 0.0 22 @19'-Clayey SILT:(ML);dark yellowish brown(10YR <br /> 20 4/4);15%clay,80%silt,5%fine sand;low plasticity. <br /> B <br /> Portland Type VII <br /> cc 22.0 <br /> 0 <br /> z <br /> w <br /> 3 0.0 22 Mw 424' Silty SAND:(SM);dark yellowish brown(10YR 4/4); <br /> 25 dense;moist;5%clay,30%sift,65%fine sand. <br /> z <br /> 0 <br /> o SM <br /> N <br /> J <br /> w0,0 ,3 MW-429' <br /> X 23 @29'-20%silt,80%fine sand. <br /> 30— <br /> z <br /> 0 <br /> z <br /> z <br /> 0 <br /> 32.0 <br /> 0 <br /> a <br /> 13 <br /> 0.0 31 MW-4-3'rSandy SILT;(ML);light olive brown(2.5Y 5/4);hard; <br /> 1351 <br /> Continued Next Page PAGE 1 OF 2 <br />