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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 /> �CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-5 <br /> JOBISITE NAME Independent Shell-branded Service Station DRILLING STARTED 13-Deo-05 <br /> LOCATION 4315 Waterloo Road Stockton, CA DRILLING COMPLETED 13-Dec-05 <br /> PROJECT NUMBER 248-1359-006 WELL DEVELOPMENT DATE(YIELD) 22-Dec-05 55gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATIONNot Surveyed <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 32 43 ft above msl <br /> BORING DIAMETER 10-inch SCREENED INTERVALS _ 60 to 75 fbq <br /> LOGGED BY Stu Dalie DEPTH TO WATER(First Encountered) 66 0 fbq 13-Dec-05 <br /> REVIEWED BY Aubrey Cool PG 7659 DEPTH TO WATER(Static) 66 19 fbq(29-Dec-05) 1 <br /> REMARKS Hand Auger Clearance to 5 fbq <br /> CL F- w z = U) = U <br /> O zCL � a o-p LITHOLOGIC DESCRIPTION _ <br /> WELL DIAGRAM <br /> mO 2 X © rn �-i ZI— <br /> a U r¢ w {ry O n- <br /> o© <br /> ASPHALT <br /> 10 <br /> GW Well graded GRAVEL(GW) Black, loose dry 5%silt, <br /> ' 10%medium sand 85%fine gravel FILL 20 <br /> SILT with Sand(ML) Black, firm dry,85%silt, 15%fine <br /> sand, no plasticity <br /> ML <br /> z <br /> p s nnw s-s 5 55 <br /> CLAY with Sand(CL) Black firm dry,65%clay 20% <br /> CL silt 15% fine sand medium plasticity <br /> --- ----------------------------- 75 <br /> is <br /> 0 12 Mws 10 1Q <br /> 10 SILT(ML) Dark brown, very stiff dry 5%clay, 90%silt <br /> 5% fine sand no plasticity <br /> ML <br /> 11 <br /> 11 15- <br /> 0 1s <br /> a <br /> c❑a --- <br /> —-------------------------- 175 <br /> J <br /> Q <br /> LL <br /> ltl <br /> ❑ 6 <br /> 0 $ Mw s za 20 5M Silty SAND(SM), Brown, stiff dry 25%silt 75%fine <br /> sand <br /> F <br /> — — -------- -- 225 <br /> s <br /> 0 <br /> 0 <br /> � e <br /> 0 15 25 ML SILT(ML) Brown very stiff dry, 5%clay 90%silt 5% <br /> fine sand no plasticity <br /> !9 <br /> m <br /> v <br /> o --- --------- —_...----- 275 <br /> � ---------- Portland Type <br /> o Ill I <br /> a <br /> 13 11 30 <br /> ,z Poorly Graded SAND (SP) Dark gray medium dense <br /> SP dry 100%medium and coarse sand <br /> 0 <br /> 0 <br /> J <br /> J <br /> wJ <br /> } <br /> on rnue ex age <br /> PAGE 1 OF 3 <br />