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Cambria Environmental Technology, Inc BORINGIINELL LOG <br /> 270 Perkins Street <br /> Sonoma, California 95476 <br /> Telephone (707) 935-4850 <br /> Fax (707) 935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-12 <br /> JOB/SITE NAME Shell-branded Service Station DRILLING STARTED 11-Feb-04 <br /> LOCATION 6131 Pacific Avenue,Stockton,CA DRILLING COMPLETED 11-Feb-04 <br /> PROJECT NUMBER 0854 WELL DEVELOPMENT DATE(YIELD)_23-Feb-04(19 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 12 49 It above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 12 07 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 32 to 47 fb <br /> LOGGED BY Anne Wettstone DEPTH TO WATER(First Encountered) 38 5 ft(11-Feb-04) -�z <br /> REVIEWED BY J Neely,RG 6927 _ DEPTH TO WATER(Static) 35 6 ft(27-Feb-04)— <br /> REMARKS <br /> 27-Feb-04 REMARKS <br /> A U J.- rn <br /> CL LLJ z09 <br /> z —j LUH^ =Cl <br /> m O x wo LITHOLOGIC DESCRIPTION z� WELL DIAGRAM <br /> 0. U < W M OLU <br /> D <br /> ASPHALT 05 <br /> Clayey SILT(ML) very dark grayish brown(10YR 3/2), <br /> moist,20%clay,70%silt, 10%fine to medium sand, <br /> medium plasticity <br /> @ 2 5'-Sandy Clayey SILT(ML),very dark gray <br /> (10YR 3/1) moist,25%clay 55%silt,20%fine sand, <br /> 7 5 <br /> medium plasticity <br /> 00 MW-12 <br /> 9 -55, ML @ 5'-dark yellowish brown(10YR 4/4) very stiff <br /> 00 MW-12 <br /> -96, 9'-Clayey SILT(ML)1 p @ ) yellowish brown(10YR 516) <br /> very stiff,moist,30%clay 60%silt, 10%fine sand, <br /> medium plasticity <br /> 120 <br /> 00 ;i MW-12 Portland Type <br /> -14 5' 15 SM Silty SAND(SM),dark yellowish brown(10YR 3/4), Ilii <br /> medium dense,moist, 10%clay,30%silt,60%fine sand <br /> 170 <br /> 00 6 MW-12 <br /> s <br /> -195, <br /> 20 Clayey Sandy SILT ML),dark yellowish brown(10YR <br /> 3/6),stiff,moist, 15%clay,65%silt,20%fine sand, no <br /> plasticity <br /> 0 00 ;° MW-12 <br /> 13 -24 5' <br /> 25 @ 24'-very stiff, 15%clay,55%silt,30%very fine sand <br /> w <br /> a <br /> a' <br /> C7 <br /> Z 5 <br /> 9 0 0 g 9 52 <br /> - Bentonite Seal <br /> 30 @ 29'-light olive brown(2 5Y 5/4), 15%clay,65%spit, <br /> 20%fine to medium sand <br /> Monterey <br /> o ML Sand#2/12 <br /> 0. <br /> (� <br /> 0 00 <br /> s MW-12 @ 34'-dark yellowish brown(10YR 4/4),20%clay,55% <br /> M13 -34 5' [k351 silt,25%fine sand <br /> ontinued Next Page PAGE Z -CFF-- 2 <br />