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1 <br /> LOG OF EXPLORATORY BORING <br /> • PROJECT NUM13ER 20805-140.010 WELL NO AS-2 <br /> PROJECT NAME ARCO + 548. Stockton PAGE 3 of 4 <br /> BY Pat Jimison DATE 10/27/88 SURFACE ELEVATION <br /> U <br /> z <br /> FID PENETRA— GROUND DEPTH u� Q z <br /> READING TIDN RECOVERY WATER IN ii 0-j DESCRIPTION WELL <br /> Win) (blows/6 ) <br /> (ft/it) LEVELS FEET ? DETAIL <br /> J <br /> 3200 12 14/15 SANDY SILT (ML), dark gray (10YR, 4/1) 80% fines <br /> 22 20% fine grained sand, small irregular caliche deposits <br /> 30 1/8-1/2 blush discoloration damp strong odor <br /> 30% fine grained sand bluish discoloration damp <br /> 100 28 12/15 45 SANDY SILT (ML), dark brown (10YR, 4/3) 70% fines <br /> 18 <br /> 36 strong odor <br /> 60 28 14/15 50 SILT (ML), dark brown (10YR, 3/3) 100% fines, damp <br /> 38 no odor <br /> 50 <br /> 270 30 10/15 55 SANDY SILT (ML), dark yellowish brown (10YR, 4/6) <br /> 50/55 70% fines 30% fine sand thin black veins of manganese <br /> oxide, damp, no odor <br /> 60 <br /> REMARKS <br /> EMCON <br />