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Conestoga-Rovers ;sociates BORING/WELL LOG <br /> 19449 Riverside Dr�Suite 230 <br /> fes" iA' Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-3 <br /> JOB/SITE NAME Independent Shell-branded Service Station DRILLING STARTED 07-Nov-01 <br /> LOCATION 4315 Waterloo Road,Stockton,California DRILLING COMPLETED 07-Nov-01 <br /> PROJECT NUMBER 241359 WELL DEVELOPMENT DATE(YIELD) 14-Nov-01 (50 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 30.47 ft above ms] <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 29.90 ft above msl <br /> BORING DIAMETER 104nch SCREENED INTERVAL 47 to 72 fbg <br /> LOGGED BY G.Mammini DEPTH TO WATER(First Encountered) 69.0 ft(07-Nov-01) <br /> REVIEWED BY J.Neely, RG 6927 DEPTH TO WATER(Static) 63.40 ft 06-Nov-01) 1 <br /> REMARKS <br /> U) O F^ U rn <br /> Lu z <br /> m O ~ a! SOIL DESCRIPTION Z= WELL DIAGRAM <br /> a v < vo <br /> PHA ASPHALT 0.5 <br /> SILT;(ML);very dark grayish brown(10YR 3/4);moist; <br /> 50/6 Gay,90%sift,5%,fine sand;no plasticity. <br /> 0.0 10 MW-3-5.65 @T-Clayey SILT:(ML);dark yellowish brown(10YR <br /> 13 ML 4/4);very stiff;15%clay,60%silt,5%fine sand;low <br /> plasticity. <br /> 0.0 ; MW-3-9'23 @9'-Sandy SILT;(ML);5%clay,65%sift,30%fine <br /> 110— sand;no plasticity. <br /> 12.0 <br /> 0.0 12 MW-3-1,V <br /> +3 SM Silty SAND;(SM);dark yellowish brown(10YR 4/4); <br /> 15 medium dense;moist;35%silt,65%fine sand. <br /> J <br /> < 17.0 <br /> w <br /> w <br /> a <br /> c' 0.0 ie MW,-1g <br /> r ML Clayey SILT:(ML);dark yellowish brown(10YR 4/4); <br /> z 20 hard;moist;15%day,80%silt,5%fine sand;low <br /> plasticity. <br /> Portland Type IAI <br /> 22.0 <br /> J <br /> 0.0 14 -3-24'" "x^ 24 SM Silty SAND;(SM);dark yellowish brown(10YR 4/4);very <br /> 25 dense;moist;5%clay,30%silt,651/6 fine sand. <br /> z <br /> 0 27.0 <br /> 0 <br /> J <br /> = 0.0 5W MW-3-29' <br /> gp SAND;(SP);dark yellowish brown(10YR 4/6);very <br /> _30— dense;moist;5%silt,90%medium sand,5%fine gravel. <br /> z <br /> 0 <br /> 32.0 <br /> 0 <br /> a <br /> O 0.077 MW-3-34" - - <br /> 7 Silty SAND;(SM);dark yellowish brown(10YR 4/6); <br /> 35 :. <br /> Continued Next Page PAGE r of 2 <br />