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I <br /> Total depth of borings74-1/2 Feet Diameter of boring, 8-t 4 1-cn Date drilled, 11 17 92 <br /> Casing diameter, 2 Inch Length, 73-1/2 Feet Siot size, 0 02 Inch <br /> Screen diameter, 2 Inch Length, 20 Feet Material type, PVC <br /> Drllling Company, WESTER Driller, Chris %like <br /> Method Used, Hollow-stem auger California modified soht-s000n Field Geologist, Claudio Avila <br /> ' Signature of Registered Professional. <br /> Registration Noa -313 State, Colircrrno y <br /> MEASURIM SAMPLE USCS WELL <br /> DEPTH NO. m P•1'D' CODEI DESCRIPTION <br /> C01VST.1 <br /> 0 I <br /> Concrete I <br /> F <br /> 4 <br /> ' <br /> 0 <br /> S-5 27 ML Clayey silt moderate ll _ [[ <br /> ppmv YeY ye owlsn brown dry low plosucity veru stiff I - <br /> 6 <br /> S <br /> � i r <br /> 10 S- 10 39 PPmy I rara ! <br /> F <br /> 12 <br /> i <br /> I • <br /> ,p 14 <br /> S-15 30 PA�rnv Sint Silty sono fine-grained hunt brown dry non—olost c <br /> mearum sense <br /> ' !6 1 <br /> 18 I ! <br /> 1 1 <br /> i. 1 r 1 <br /> I <br /> 1 <br /> CAr►uA LOG OF BORING: B-22/MW-7 ! PLATE <br /> S� AWMt ARCO Service Station No. 2130 <br /> 7908 North El dorado Street C63 <br /> PROJECT NO. 30003 0003G18A Stockton, California � <br />