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Cambria Environmental Technology, Inc. BORING / WELL LOG <br /> 5900 Hollis Street, Suite A <br /> ' Emeryville, CA 94608 <br /> Telephone: 510-420-0700 _ <br /> Fax: 510-420-9170 <br /> CLIENTNAME Shell Oil Products US BORING/WELLNAME MW-9 <br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 15-Aug-08 <br /> LOCATION _ 2375 West Grant Line Road,Tracy California DRILLING COMPLETED 15-Aug-08 <br /> PROJECT NUMBER 241661 WELL DEVELOPMENT DATE(YIELD) 09-Sep-08(16.5 gal <br /> DRILLER Gregg Drilling - GROUND SURFACE.ELEVATION 19.14 it above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 18.71 R above mat <br /> BORING DIAMETER 8" , SCREENED INTERVALS - 7 t 17 fbg <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 9.00 fbg <br /> REVIEWED BY M.Murphy DEPTH TO WATER(Static) 7.6 fbg(09-Sep-08) 1 <br /> REMARKS <br /> W ❑ F- U Ug <br /> r c0 <br /> n OJ z a W w ai ¢O LITHOLOGIC DESCRIPTION i ri- WELL DIAGRAM <br /> a m0 oQi W ❑ O .. UW <br /> ❑ <br /> SILT(ML);light yellowish brown(10YR 6/4);dry;95% <br /> sift,6%fine sand. <br /> C <br /> F <br /> F @ 2'-5%clay,90%silt,5%fine sand;low plasticity. <br /> u <br /> D <br /> 6 <br /> 5 ML <br /> o.o Mw-e-S @5'-brown(10YR 5/3);15%clay,85%sift.5%fine <br /> z sand aentanib seer <br /> @ 5.5'-dry to moist;20%clay,80%silt;medium <br /> o - plasticity. nwme 5er0 <br /> xvlz <br /> J <br /> Z 1_ <br /> p <br /> O <br /> 9.0m <br /> @ 9-wet.. <br /> s 10 SP SAND(SP1;olive brown(2:5Y 4/3);wet;5%silt,95% <br /> 0 o.D wh-e-las _ _mediuD m to coarse sand. ___ 11.0 <br /> w SANwith Silt(SP) light olive brown(2.5Y 5/4);wet; <br /> a <br /> 10%silt.90%fine to coarse sand. <br /> 2diem.,D.WT <br /> Slopes Sdh e 4 <br /> n SP Pvc <br /> rz . ..,.. . 14.5 . ... <br /> H <br /> Do MW 415' 15 SILT(MLI;olive brown(2.5Y 4/3);wet;35%clay,65% <br /> ML silt;medium plasticity;mottled with dark brown(7.5YR <br /> 3/4). - <br /> MW-4-0fi.S - - 17.0 <br /> Bottom of Boring <br /> @ 17 fbg <br /> ry <br /> rym <br /> h <br /> w <br /> e <br /> 0 <br /> O <br /> PAGE 1 OF i <br />