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i <br /> WASMI SAMPLE oLL <br /> P.I.D.PP.I.D. USCS DESCRIPTION <br /> DEPTH NO. CODE CONST. <br /> i <br /> 20 5-20 20 ppmv MI Silt some clay, dry non—plastic• very stiff <br /> 22 <br /> 24 <br /> _ 26 - 5-25 28 ppmv <br /> — 28- <br /> _ 30— S-30 31 5 <br /> ppmv . <br /> _ 32- <br /> - 34 - <br /> 3 F <br /> 2 3436 S--35 73 ppmv Clayey silt, yellowish gray, law plasticity, hard <br /> 38 <br /> 40 S-4080 0 SM Silty sand, fine—grained sand moderate brown, dry <br /> ppmv very dense <br /> — 42 - <br /> - 44- <br /> 46 - <br /> 24446 S-45 35 pp0mv MI Clayey silt, light olive gray, dry, low plasticity, hard . .a <br /> • •. <br /> • <br /> 48 •. <br /> 50 ' <br /> Boring terminated at 51-1/2 feet backfilled from 30 to 51-1/2 <br /> 52 feet With bentonite/cement slurry <br />• ���/� LOG OF BORING: B-20/VW-10 PLATE <br /> !- -- <br /> t— i---tWAUMM ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass rj <br /> PROJECT NO. 30041 0041C413Tracy, California <br />