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1 <br /> LOG OF EXPLORATORY BORING <br /> • PROJECT NUMBER 20805-140.010 WELL NO AS-1 <br /> PROJECT NAME ARCO #548, Stockton PAGE 2 of 4 <br /> BY Pat Jamison DATE 10/26/98 SURFACE ELEVATION <br /> FID PENETRA- GROUND DEPTH RECOVERY J a <br /> READING TION WATER IN a Cr J DESCRIPTION WELL <br /> (PDm) (Glows/6 ] (ft/10LEVELS FEET a 00 DETAIL <br /> u) 2 U <br /> I <br /> J <br /> 0 8 13/15 SAND (SP), dark yellowish brown 00YR, 4/6) 5% fines <br /> 8 95% fine grained sand slightly damp <br /> 18 <br /> 18 9 12/15 25 SANDY SILT (ML), very dark gray (10YR 3/1) 80% <br /> 18 fines 20% fine grained sand bluish gray d+scoloration <br /> 50 damp no odor <br /> i <br /> 150 12 14/15 30— <br /> SANDY SILT (ML), yellowish brown (10YR, 5/4) 8C% <br /> 18 fines, 40% fine sand partially cemented irregular <br /> 26 caliche pieces 1/8-1/2 diameter slightly damp strong <br /> odor <br /> �i0l�/B8 OTW = 34 45 <br /> 80 20 15/15 35 SILT (ML), dark grayish brown OGYR, 4/2) 90% fines <br /> 30 10% fine sand irregular caliche pieces 1/8-1/2 <br /> 35 diameter wet, moderate to strong odor <br /> 40 <br /> REMARKS <br /> EMCON <br />