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Cambria Environmental Technology, Inc BORING/WELL 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 BORINGIWELL NAME B-7 <br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 04-Sep-03 <br /> LOCATION 1160 West Yosemite Avenue, Manteca,CA DRILLING COMPLETED 04-Sep-03 <br /> PROJECT NUMBER 1660 WELL DEVELOPMENT DATE(YIELD)- NA <br /> DRILLER Gregg Drilling _ GROUND SURFACE ELEVATION 25'ft above msl <br /> DRILLING METHOD Hydraulic push TOP OF CASING ELEVATION Not Surveyed <br /> BORING DIAMETER 1314" SCREENED INTERVAL NA <br /> LOGGED BY Anne Wettstone DEPTH TO WATER(First Encountered) 22 0 ft(04-Sep-03) <br /> REVIEWED BY J Neely,RG 6927 DEPTH TO WATER(Static) NAT 1 <br /> REMARKS <br /> (n O H U ~ <br /> CL O z a s �' U p LITHOLOGIC DESCRIPTION z WELL DIAGRAM <br /> mp w� �J 0� <br /> FL L) ' n <br /> ASPHALT 05 <br /> GM Silty Sandy GRAVEL(GM),black(7 5YR 2 511),moist, 14 <br /> 5%clay,20%silt,30%fine to coarse sand,45%fine <br /> ravel <br /> Silty SAND(SM),black(7 5YR 2 511),moist,5%clay, <br /> SM 35%silt,60%fine sand <br /> 50 <br /> 00 B-7-5 5' 5 SAND(SPI,strong brown(7 5YR 516),moist,5%silt, <br /> 95% fine sand <br /> 00 B-7-1 0 5' <br /> 10 <br /> SP <br /> Portland Type <br /> ILII <br /> 00 B-7-1 5 5' 15 @ 15'-light yellowish brown(10YR 6I4) <br /> 170 <br /> Sandy SILT(ML) light olive brown(2 5Y 513),moist, <br /> ML 75%silt,25%fine sand,no plasticity 185 <br /> SANDI ,light brownish gray(2 5Y 612),moist,5% <br /> SP silt,95% fine to medium sand 20 1 <br /> 00 B-7-2 0 5' 20 Sandy SILT(ML), olive brown(2 5Y 413),moist, 10% <br /> ML clay,50%silt,40%fine sand,low plasticity <br /> _ 220 <br /> Si&SAND(SM),olive brown(2 5Y 413),wet,40%silt, <br /> o SM 60%very fine sand <br /> a <br /> 240 <br /> 00 B-7-2 4 5' ML Sandy Clayey SILT(ML), light olive brown(2 5Y 514), 250 <br /> w 25 wet,25%clay,60%silt,15%fine to medium sand, Bottom of <br /> o medurm to hi h Iasttcl Boring Q 25 ft <br /> 0. <br /> [7 <br /> F <br /> z <br /> F <br /> U <br /> LU <br /> A <br /> a <br /> [7 <br /> O <br /> J <br /> J <br /> J <br /> PAGE 1 OF 1 <br />