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MONITORING WELL LOG <br /> PROJECT NAME California Tank Lines LOG OF WELL. AIIVN-� <br /> SITE ADDRESS 3105 S EI Dorado Street TOTAL DEPTH (ft) 50 <br /> Stockton, Callfomla WELL DIAM In 2 <br /> DATE STARTED December 4, 1999 DRILLER/COMPANY Ryan Kubh <br /> DATE COMPLETED December 4, 1999 V&W Drilling C-57#720904 <br /> DRILLING METHOD Hollow-stem Auger GEOLOGISTIENGINEER Joseph Ramage, R G #5856 <br /> Split-spoon sam ler Ramage Environmental <br /> m � w <br />�1 1" W J c Z <br /> m a a m to m V d <br /> uiIL E ° ° a DESCRIPTION m o <br /> � us tq a LU <br /> to Z = 0 <br /> COMPLETION Expansion cap Dolphin lock 6-inch diameter utility box <br /> 0 Asphalt surface approx 6 thick 0 <br /> 527 15 1 ML CLAYEY SILT Medium brown hard dry moderate petroleum odor 5 <br /> n <br /> 10 „ BS 1 ML SANDY SILT Fine sandy silt medium brown stiff dry 10 <br /> moderate petroleum odor <br /> 15 ' <br /> 208 ML CLAYEY SILT Some fine sand medium brown very stiff dry 7 5 <br /> +s moderate petroleum odor <br /> 20 z,° 32 8 MW1-20 SP SAND Poorly-graded fine sand gray medium dense moist 20 <br /> 30 strong petroleum odor <br /> 25 s 00 CL SILTY CLAY Light blue-greenish-gray stiff dry moderate petroleum 25 <br /> s odor <br /> 30 r 270 MW1-30 ML SANDY SILT Fine sandy sift greenish-gray very stiff mast 30 <br /> 30 moderate petroleum odor <br /> Stew groundwater at 316 feet below ground surface <br /> 9 <br /> 35 „ 0 0 MWt-35 CL SILTY CLAY Gray-brawn,very stiff moist moderate petroleum odor 35 <br /> 40 <br /> 00 (grades dark gray hard wet) 40 <br /> p <br /> 45 a 00 ML CLAYEY SILT Gray with white carbonate in stringers hard dry 45 <br /> slight petroleum odor <br /> S0 A 00 MW1-50 SM SILTY SAND Silty fine sand greenish-gray dense moist no petroleum odor 50 <br /> as <br /> Terminated soil boring at 50-feet Installed 2-inch pvC monitoring well <br /> Screen(0020)30-50 feet Sand(#3)28-50 feet Surged 10 minutes/Purged 1 o gallons <br /> Hydrated bentonite chips 26-28 feet Cement bentonite(20 1)grout 0.26 feet <br /> Page 1 of 1 <br /> R <br />