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Total depth of boring, 31 -1/2 ft Diameter of boring: 8 in Date drllledi 7/16/91 <br /> Casing diameter, N/A Lengths N/A Slot sizer N/A <br />• Screen diameter, N/A Length: N/A Material types N/A <br /> Drilling Companys Wayne Drslhng Co Drillers Rich and Jay _ <br /> Method Useds Hollow--stem Auger leld IO Ists R Alden <br /> Signature of Registered Professionals <br /> Registration Nos 4313 S e, Calif <br /> DEPTH SAMPLE 'No' <br /> P. I.D. USCS DESCRIPTION WELL <br /> NO. m CODE CONST <br /> Asphalt gravel base <br /> 2 - <br /> 4 <br /> 6 S-6 6 pPmV ML Silt with trace clay moderate yellowish brown damp, . • •••� <br /> medium stiff <br /> - 10 - <br /> S-11 29 PPmv Silt lkght olive gray slightly damp very stiff <br /> 12 ' <br /> 14 ' . <br /> 16 S-16 16 1PpmV pole brown <br /> • ' <br /> 18 <br /> 2D , <br /> S-21 24 pp6 light olive gray <br /> (section continues downward) '. <br /> LOG OF BORING: B71 PLATE <br /> =Staff' ARCO Service Station No. 2168 <br /> 441 West Charter Way 4 <br /> PROJECT NO. 31009-4W1 FILE NO Stockton, California <br />