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LOG OF EXPLORATORY BORING <br /> • PROJECT NUMBER 20805-140 010 WELL NO AS-3 <br /> PROJECT NAME ARCO #548, Stockton PAGE 3 of 4 <br /> BY Pat JlM13on DATE 10/26/98 SURFACE ELEVATION <br /> U <br /> FID PENETRA- GROUND DEPTH a <br /> READINGTION RECOVERY WATER IN aJ ¢ WELL <br /> (ppm) [blows/8") {fit/ft) LEVELS FEET a C,0 DESCRIPTION DETAIL <br /> {ry H U <br /> J <br /> 900 10 14/15 SANDY SILT (ML), brown (IOYR, 5/3) 80% fines 20% <br /> 18 fine sand small irregular caliche deposits 1/8-1/2 <br /> 27 diameter damp strong odor <br /> 2000 22 12/15 45 SILT (ML), brown 00YR, 5/3) 95% fines 5% fine sand <br /> 35 irregular discoloration, damp, strong odor <br /> 48 <br /> 0 18 15/15 50 SANDY SILT (ML), light ofive brown (2 5Y 5/3), 80% <br /> 38 fines 20% fine sand damp mifd odor <br /> 50/551, <br /> 4 40 10/15 55 SANDY SILT (ML), dark yellowish brown OOYR 4/6) <br /> 50/5" 80% fines 20% fine sand damp no odor <br /> 60 <br /> REMARKS <br /> EMCON <br />