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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 20805-140.010 WELL NO AS-2 <br /> PROJECT NAME ARCO 0548, Stockton PAGE 2 of 4 <br /> BY Pat Jimison DATE 10/27/98 SURFACE ELEVATION <br /> FID PENETRA— GROUND DEPTH ¢ <br /> READING TION RECOVERY WELL <br /> WATER IN —j DESCRIPTION <br /> (PPM) (blows/6 ) LEVELS FEET N 00 DETAIL <br /> r <br /> J <br /> 50 12 12/15 SAND (SP), yellowish brown (10YR, 5/6) 10% fines 90% <br /> 16 fine sand damp strong odor <br /> 20 <br /> 900 12 t5/15 25 SANDY SILT (ML), dark yellowish brown (10YR, 4/4) <br /> 23 80% fines 20% fine grained sand blush disco#oration <br /> 30 damp strong odor <br /> 2000 4 15/15 30- <br /> 5 t0r�l�BB DTW = 30 32 at 11 59 <br /> 7 SANDY SILT (ML), dark yellowish brown 00YR, 4/4) <br /> 80% fines, 20% fine sand blush discoloration damp <br /> strong odor <br /> 13,900 23 15/15 35 SANDY SILT (ML), dark yellowish brown (10YR 4/4) <br /> 33 70% fines 30% fine sand small irregular caliche <br /> 40 deposits --1/8 bluish discoloration strong odor <br /> 40 <br /> . � REMARKS <br /> EMCON <br />