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MONITORING WELL LOG PROJECT NAME California Tank Lines LOG OF WELL. MW-3 SITE ADDRESS 3105 S EI Dorado Street TOTAL DEPTH(ft) 50 Stockton, Caltfomia WELL DIAM In 2 DATE STARTED December 4, 1999 DRILLER/COMPANY Ryan Kubll DATE COMPLETED December 4, 1999 V$W Drilling C-57#720904 DRILLING METHOD Hollows stem Auger GEOLOGISTIENGINEER Joseph Ramage,R G 95856 ' S Ilt-s oon sampler Ramage Environmental e LU m u m ?� 'D a CLCL N m v 4 a L) m to LU Un m K ran z M 0) DESCRIPTION D ' COMPLETION Expansion cap Dolphin lock 8-inch diameter utility box 0 Asphalt surface approx 6'thick 0 5 " 0 0 ML CLAYEY SILT Medium brown verystiff dry,no petroleum odor 5 '72' 10 ;,° 0o ML SANDY SILT Fine sandy silt medium brown stiff dry 10 ' 's no petroleum odor § „ 00 MW3-15 CL SILTY CLAY Minor fine sand medium brown very stiff dry 15 no petroleum odor ' 20 32 00 SW SAND Well-graded fine-medium sand some coarse sand orange- 20 brown dense dry no petroleum odor 25 ;a 00 CL SILTY CLAY Gray-brown very stiff moist no petroleum odor 25 Is 30 ;; 00 MW3-30 ML SILT Light gray very stiff very moist no petroleum odor 30 Static groundwater at 315 feet below ground surface is 35 00 MW3-35 SM SILTY SAND Silty medium sand gray,dense,wet moderate 35 x petroleum odor 40 „ 00 ML CLAYEY SILT Minor fine sand dark olive-gray hard wet 40 moderate petroleum odor 45 00 CL SILTY CLAY light gray with white carbonate in stringers hard,dry 45 no petroleum odor s W ,' 0 0 MW3-50 SM SILTY SAND Silty fine-medium sand gray,very dense,wet,no petroleum odor 50 Terminated sod boring at 50-feet installed 2-inch pvc monitoring well Screen(0 020)30-50 feet Sand(#3)28-50 feet Surged 10 minutes/Purged 10 gallons Hydrated bentonite chips 26-28 feet Cement bentonite(20 1)grout 0-26 feet Page 1 of 1