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Total depth of boring. 75 ft Diameter of boring, 10 in Date drilled, 12/16/91 <br /> Casing diameters 4 in Length, 74 3 ft Slot size, 02 <br /> Screen diarmeter, 4 in Length: 15 ft Material type, PVC <br /> Drilling Company, Woodward Drilling Co Drillers Wayne/Robert <br /> Method Used, Hollow—stem Auger _—_ Field Geologist, Claudio <br /> Slgnature•of Registered Professional, <br /> Registration No., 43139 States Calif <br /> DEPTH SAMPLE o P.I.D. USCS DESCRIPTION WELL <br /> NO. ,n CODE CONST. <br /> s <br /> 0 Asphalt, grovel base fill <br /> 2 CL Clay block slightly damp slight plast= ,r <br /> I <br /> 4 <br /> 6 S_g 31 ppmv SM Silty sand fine— medium—grained sanc ':aht brown <br /> slightly damp dense <br /> 8 <br /> - <br /> 10 <br /> I S-11 31 0 <br /> ppmv ML Clayey silt light brown slightly damp ::'jcnt piasucity <br /> L 12 <br /> st+f f <br /> l 14 <br /> i <br /> 1 <br /> L 16 S-16 38 ppmv Sdt trace clay, hord <br /> � 18 - <br /> 20- <br /> S-21 <br /> g20S-21 31 ppmv Silt trace fine—grained sand light brown slightly damp <br /> hard <br /> (section continues downwar�: <br /> �t/�I� LOG OF-r-- �,�.I+v: B2/MW1 PLATE <br /> ��/'W/'S ARCO beririct,-5tatlon No. 2730 <br /> 7906 North El Dorado Street C5 <br /> PROJECT NO. 30003-4F)LE No Stockton, California <br /> 0003D1A <br />