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Conestoga-Rovers&7%,ociates . BORINGIWELL LOG <br /> 19449 Riverside Drive,Suite 230 <br /> ^l 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 /> JOBISITE-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) V <br /> REMARKS <br /> a Ov) LU z <br /> Z d H w N a.0 SOIL DESCRIPTION Z WELL DIAGRAM <br /> a m Ov < W ov o <br /> SPHAL I I ASPHALT 0.5 <br /> Clayey SILT;(ML);Very dark grayish brown(10YR <br /> moist;20%clay,75%silt,5%fine sand;low plasticity. <br /> 0.0 Sae MW-4-6 5 @5'-dark brown(10YR 3/3);hard;15%clay,80%silt,5% <br /> fine sand. <br /> e MW-4-9' <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 /> 0 <br /> 0,0 MW-4-14' <br /> 45 @14'-hard. <br /> 0 15 <br /> c� <br /> J <br /> Q <br /> W <br /> 0 <br /> a' <br /> m 0.0 i6 MW-4-19 <br /> n @19'-Clayey SILT;(ML);dark yellowish brown(10YR <br /> G 20 4/4);15%clay,80%silt,5%fine sand;low plasticity. <br /> z_ <br /> o Portand Type 1111 <br /> 22.0 <br /> 0 <br /> 0 <br /> w <br /> 0.0 22 MVV-4-24' <br /> Silty SAND;(SM);dark yellowish brown(10YR 4/4); <br /> a <br /> 25 dense;moist;5%clay,30%silt,65%fine sand. <br /> z <br /> 0 <br /> o0 SM <br /> u, <br /> J <br /> w 0.0 t3 MW-4-29' <br /> ti 23 @29'-20%silt,80%fine sand. <br /> 30 <br /> 0 <br /> z <br /> 0 <br /> N 32.0 <br /> O <br /> a <br /> 0 <br /> 0-0 23MW-0-34' <br /> 31 Sandy SILT;(ML);light olive brown(2.5Y 5/4);hard; <br /> 35 <br /> Continued Next Page PAGE 1 OF 2 <br />