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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 MW-5 <br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 27-Jan-05 <br /> LOCATION 2375 West Grant Line Road Tracy, California DRILLING COMPLETED 28-Jan-05 <br /> PROJECT NUMBER 1661 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 26 91 ft above msi <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 26 60 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 10 to 25 fb <br /> LOGGED BY J Gerbrandt DEPTH TO WATER(First Encountered) 13 5 ft 28-Jan-05 <br /> REVIEWED BY J Neely,PG 6927 DEPTH TO WATER(Static) 13 4 ft(28-Jan-05) 1 <br /> REMARKS In the entrance road to the carwash building <br /> LU z <br /> CL p M a LU Uj 92 CIO SOIL DESCRIPTION Z WELL DIAGRAM <br /> CL mO Q '''' Cl aw <br /> W o <br /> CONCRETE 05 <br /> Portland Type <br /> Illl <br /> 5 SILT ML ,very dark gray(10YR 3I1),moist,40%clay, <br /> 210 MW-5- 55%silt,5%fine sand <br /> 5 D' Bentonite Seal <br /> . Monterey <br /> 10 Sand#2112 <br /> 00 MW-S- ML @ 10 75'-brown(10YR 413) 40%clay,60%silt <br /> 100, <br /> 15— <br /> @ 15 0'-40%clay,55%silt,5%fine sand <br /> 00 MW-5- <br /> ISO, <br /> 2"-diam, <br /> 0 020"Slotted <br /> Schedule 40 <br /> PVC <br /> 20 @ 20 0'-wet,35%clay,55%silt, 10%fine sand <br /> 0 00 MW-5- <br /> 20 0' 225 <br /> a <br /> Q <br /> SM Silly SAND(SM),brown(10YR 413),wet 35%clay, <br /> 0 0 MW-5- 15%silt,50%fine sand 250� 25 Bottom of <br /> 25 0' Boring @ 25 ft <br /> F <br /> z <br /> c7 <br /> e <br /> U' <br /> z <br /> of <br /> 0 <br /> m <br /> 0 <br /> a <br /> 0 <br /> a <br /> J <br /> J <br /> J <br /> PAGE 1 OF i <br />