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Cambria Environmental Technology, Inc BORINGIWELL LOG <br /> 5900 Hollis Street, Suite A <br /> Emeryville, CA 94608 <br /> Telephone 510-420-0700 <br /> Fax 510-420-9170 <br /> 0 CLIENT NAME Shell Oil Products US BORINGIWELL NAME SB-13 <br /> JOBISITE NAME Independent Shell-branded Service Station DRILLING STARTED 13-Dec-05 <br /> LOCATION 4315 Waterloo Road, Stockton, CA DRILLING COMPLETED 13-Dec-05 <br /> PROJECT NUMBER 248-1359-006 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION Not Surveyed <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION Not Surveyed <br /> BORING DIAMETER 8-inch SCREENED INTERVALS NA <br /> LOGGED BY Stu Dalie DEPTH TO WATER(First Encountered) NA <br /> REVIEWED BY Aubrey Cool, PG 7659 DEPTH TO WATER(Static) NA <br /> REMARKS Hand Auger Clearance to 5 fb <br /> Q� a W Q p LITHOLOGIC DESCRIPTEON z!— WELL DIAGRAM <br /> a m0 Q w p" �� OW <br /> U) V� <br /> °, CONCRETE 10 <br /> Silty SAND (SM) Dark gray loose dry 5%clay, 25% I <br /> silt 65%medium sand 5%fine gravel <br /> SM <br /> 40 <br /> I i <br /> 2 <br /> 101 4 5813 5 5 SILT(ML) Black,firm dry 10%clay, 90%silt no to low <br /> plasticity <br /> 4 <br /> 855 BB 13 7 <br /> s <br /> � I <br /> I 6 <br /> 5 7 8 10 <br /> s ML <br /> 11 <br /> 31 15 SILT with Sand(ML) Brown,very stiff dry 85%silt, <br /> 15%fine sand, no plasticity <br /> a <br /> SB 15 <br /> 5 7 1° 13 15— SILT(ML) dark brown,very stiff dry 90%silt 5%fine <br /> sand 5%fine gravel no plasticity <br /> a <br /> N � <br /> o -------------�-------------- 175 � <br /> cD --- <br /> J { <br /> Q <br /> LL <br /> W 10 <br /> a 82 11 SB 13 20 20 SM Silty SAN (SM), Brown medium dense,dry, 20%silt <br /> 0 73 80%fine sand <br /> F ---- 225 <br /> z --- ------------------------ <br /> 'o <br /> sr <br /> oo { <br /> a <br /> a255 14 25 ML SILT(ML) Dark gray very stiff dry, 95%silt 5%fine <br /> sand no plasticity <br /> i <br /> Q27 5 <br /> z --- -------------------------- <br /> 0 <br /> Y <br /> 11 <br /> 0 155 30 SP Poorly Graded SAND(SP) Dark brown medium dense, Portland Type <br /> z3 <br /> a I dry 100% medium to Coarse sand III! I <br /> °. 325 <br /> ---- r� --------------------------- <br /> �—— Con fns u`�l7exf age Js <br /> PAGE 2 OF 2 <br />