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l ' <br /> DEPTH SAMPLE c P.I.D. USCS WELL <br /> DESCRIPTION <br /> NO. m CODE CONST. <br /> 20- <br /> S-21 23 ppmML Silt, dark yellowish brown, slightly damp, very stiff <br /> 22 <br /> 24- 375 . <br /> - 26- S-26 7 Clayey silt, light alive gray, slight plasticity, ' <br /> medium stiff <br /> 28- <br /> 30- <br /> 8 3a <br /> S-31 9 pp0 Salty clay medium plasticity stift <br /> 32 <br /> - 34- - <br /> 36- S--�36 34 2 o Clayey slit, dusky blue green, moist, slight plasticity . <br /> hard <br /> 38 <br /> 40- <br /> S-41 7 P1p56 Silt with some clay, medium stiff •- <br /> 42 0 ' <br /> Total depth = 42-1/2 feet <br /> 44 Ground water encountered at approximately 42-1/2 feet <br /> Boring backfilled with cement/bentonite slurry <br /> 46 <br /> 48 <br /> 50 <br /> —+Ak/,M LOG OF BORING: B-2 PLATE <br /> ..� "'M F.& <br /> SAMANVA ■' ARCO Service Station No. 2168 <br /> 441 West Charter Way <br /> PROJECT NO. 31009-4W loosase Stockton, California <br />