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SAMPLE as uses WELL <br /> DEPTH NO. � P.I.Q. CODE DESCRIPTION CONST. <br /> 54 Silt, pale yellowish brown slightly mottled with dark <br /> S-50 >50 ppmv ML greenish yellow and white calcite veins, slightly damp, <br /> hard <br /> 52 <br /> i 54 .'. <br /> 58 S-55 90 115ppm . <br /> 60 S-60 >50 37 <br /> ppmv <br /> - 62 - <br /> - 64 - <br /> 5-55 <br /> 2 64 5-55 50 14 <br /> ppmv <br /> 66 . , • <br /> 63 . <br /> 70 . <br /> 5-70 BS 35 <br />` ppmv <br /> - 72 - <br /> _ 74- <br /> S-75 <br /> 274 S-75 >506 2 <br /> 1 76 ppmv <br /> TD Total depth = 76 feet <br /> boring backfilled with cement/bentonite slurry <br /> 78 <br /> 1 Bo <br /> 1• <br /> ,mat/" LOG OF BORING; B-6 PLATE <br /> ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass <br /> PROJECT NO. 30041-2 004 133c Tracy, Caltfornla <br />