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DEPTH SAMPLE a P I D. USCS DESCRIPTION WELL <br /> NO. �, <br /> CODE CONST' <br /> S-54 >50 40 �� Silt, white to light olive green, slightly damp, <br /> 50 ppmv hard, (caliche stains, yellowish orange veins) <br /> 52 - <br /> - 54- <br /> S-55 >50 Pp8 Trace clay brown <br /> 56 <br /> 58- <br /> 60 S-60 >50 pp <br /> my <br /> 62 - <br /> - 64 - <br /> S-65 <br /> S-65 >50 15 Trace fine—grained sand <br /> ppmv <br /> 65 <br /> 68 5 <br /> 5-69 >50 ppmv <br /> 70 TD Total depth = 69-1/2 feet <br /> Boring terminated to construct vapor--extraction well <br /> 72 - <br /> - 74- <br /> - 76 - <br /> - 78 - <br /> - <br /> 76 <br /> 78 <br /> ao <br /> AWa`m` LOG OF BORING: B-18/VW-9 PLATE <br /> A . J�— ARCH Service Station No. 6100 <br /> ��• WAMS 41 <br /> 25775 South Patterson Pass <br /> PROJECT NO. 30041-2 0041815C Tracy, California <br />