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SAMPLE '300DESCRIPTIQN US CS WELL <br /> DEpTh NO. P'h'D' CODE CONST. <br /> — 20 — <br /> S-20 40 a ML Silt same clay, trete sand, fine—grained, dark yellowish brown, <br /> ppmv dry, non—plastic. ted. <br /> 22 <br /> ' 24 <br /> 26 — 5-25 30 ppmv Silt, moewate yellowish brown, very stiff. - <br /> 28 - <br /> — 30— <br /> S-30 29 1 <br /> ppmv <br /> 32 <br /> ' 34 — m • • <br /> 5-35 57 1 <br /> 36 ppmv Silt, some clay, 3sard. <br /> 38 <br /> 40 <br /> S-40 42 0 <br /> ppmv <br /> 42 •. <br /> Dark yellowish brown. •, ' <br /> 44 <br /> 5-45 34 0 Silty sena, line--grcined, dark yellowish brown, dry, nan—plastic, <br /> 46 ppmv SM medium dense. ' <br /> Boring terminated at 46-1/2 Feet. •• <br /> 4$ Boring backfilled with cement bentonite slurry. <br /> s"Akff" LOG OF BORING: B-18 PLATE <br /> its�1��■S ARCO Service Station No. 546 <br /> � M—AM <br /> 1612 Hammer Lane 11 <br /> PROJECT NO. 30004 a0046� Stockton, California <br />