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Cambria Envirohho l Technology, Inc. %.W BORING 1 WELL LOG <br /> 5900 Hollis Street, Suite A <br /> Emeryville,CA 94608 <br /> Telephone: 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-9 <br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED i5-Aug-08 <br /> LOCATION 2375 West Grant Line Road Tracv.California DRILLING COMPLETED 15-Au -08 <br /> PROJECT NUMBER 241661 WELL DEVELOPMENT DATE(YIELD) 09-Sep-08(16.5 gal) <br /> DRILLER Gregg Drilling _ GROUND SURFACE ELEVATION 19.14 R above msl <br /> DRILLING METHOD Hollow-stem auger _ TOP OF CASING ELEVATION 18.71 ft above msl <br /> BORING DIAMETER 8e SCREENED INTERVALS 7 to 17 ft <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 9.00 fbg <br /> REVIEWED BY M Murphy DEPTH TO WATER(Static) 7.6 fbq(09-Sep-08) 1 <br /> REMARKS <br /> U U <br /> Q z w Lu N =Lry z WELL DIAGRAM <br /> Q O a w,,S' o_0 LITHOLOGIC DESCRIPTION z <br /> 0 m0 Q W a 0 OW <br /> a v ui 0 O❑ <br /> SILT(ML);light yellowish brown(10YR 614);dry;95% <br /> silt,5%fine sand. <br /> r; @ 2'-5%clay,90%silt,5%fine sand; low plasticity. <br /> r Portland Type Iflt <br /> Lu <br /> ❑ <br /> 0. <br /> ML <br /> w0.0 Mw•e-s 5 @ 5'-brown(10YR 513); 15%clay,85%silt,5%fine Bentonite Seal <br /> sand. <br /> c� @ 5.5'-dry to moist;20%clay,80%slit;medium <br /> plasticity. Mi� ray sand <br /> 0 <br /> � 1 <br /> z <br /> it <br /> m <br /> 7V <br /> 9.0 <br /> 8 — �g=wet ---_ _---------- --- <br /> w <br /> w <br /> W 10 SP SAND(SP);olive brown(2.5Y 413);wet;5%silt,95% <br /> 0 0.0 MW9-10.5. — _m_ediu_mto_coarsesa_nd.__ --_—__ __—_ -- 11.0 <br /> Lu SAND with Silt ISPs light olive brown(2.5Y 514);wet;— <br /> 0. 10%slit,90%fine to coarse sand. 44 <br /> 2"-clam.,0.020' <br /> Slotted Schedule 40 <br /> PVC <br /> SP <br /> z <br /> z 14.5 <br /> J <br /> N 0.0 MW-9-15' 15 SILT ML ;olive brown(2.5Y 413);wet;35%clay,65% <br /> ML silt;medium plasticity;mottled with dark brown(7.5YR <br /> n 314). <br /> r MW-9-18.6 17.0 <br /> Bottomfbof Boring <br /> @ g <br /> a <br /> z <br /> J <br /> IL <br /> S <br /> a_ <br /> U' <br /> O <br /> JJ <br /> W}J ' <br /> } <br /> PAGE 1 OF i <br />