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Combno Environmental Technology, Inc BORING/WELL LOG <br /> 270 Perkins Street <br /> Sonoma, California 95476 <br /> Telephone (707) 935-4850 <br /> Fox (707)935-6649 <br /> . CLIENT NAME E uiva Services LLC BORING/WELL NAME MW-11 <br /> JOBISITE NAME Shelf-branded Service Station DRILLING STARTED 05-Nov-01 <br /> LOCATION 6131 Pacific Avenue,Stockton,CA DRILLING COMPLETED 05-Nov-01 <br /> PROJECT NUMBER 0854 WELL DEVELOPMENT DATE(YIELD) 07-Dec-01 (26 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 12 54 It above msl <br /> DRILLING METHOD Hollow-stem au er TOP OF CASING ELEVATION 11 97 ft above msf <br /> BORING DIAMETER 8- SCREENED INTERVAL 25 to 45 ft bus _ <br /> LOGGED BY S Lewis DEPTH TO WATER(First Encountered) 36 0 it(05-Nov-01)- <br /> REVIEWED BY__ A Friel,RG 6452 _ DEPTH TO WATER(Static) 32 6 ft(10-Dec-01). _ <br /> REMARKS <br /> COw <br /> U <br /> E �FW Z <br /> o m 0 a_ X w a 0 LITHOLOGIC DESCRIPTION Z= WELL DIAGRAM <br /> co 0 W <br /> 0 <br /> ASPHALT 0 4 <br /> Clayey SILT,(ML),very dark grayish brown(10YR 3/2), <br /> moist, 15%clay,80%silt,5%medium sand,low to <br /> medium plasticity <br /> 00 MW-11 5 ® 5'-15%clay,75%silt,5%fine to coarse sand,5%fine <br /> -55 gravel, low plasticity <br /> • <br /> 00 MW-11 10 0 10'-Sangjy SILT <br /> ,(ML),strong brown(7 5YR 516), Portland Type <br /> -11 moist,5%clay,75%silt,20%fine sand,no plasticity I/ll yp <br /> 00 MW-11 15 0 15'-brown(10YR 513),70%silt,30%fine sand <br /> -16 <br /> 00 MW-11 20 0 20'-Clayey SILT"(ML),light olive brown(2 5Y 513), <br /> -21 15%clay,80%sill,5%fine sand,low plasticity <br /> Bentonite Seal <br /> ML <br /> Monterey <br /> 00 MW-11 25 Sand#2112 <br /> a -26 <br /> W <br /> 0 <br /> 'a <br /> to <br /> 3 <br /> i <br /> a <br /> 00 MW-11 30 _ <br /> -31 <br /> o T <br /> a <br /> W1 I <br /> JJ <br /> J <br /> 35 <br /> Continued Next Page PRG 1 OF 2 <br />