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LOG OF EXPLORATORY BORING <br /> . PROJECT NUMBER 20805--140 010 WELL NO AS-2 <br /> PROJECT NAME ARCO #548, Stockton PAGE 1 of 4 <br /> BY Pat J(mison DATE 10/27/98 SURFACE ELEVATION <br /> U <br /> FID PENE7RA- RECOVERY GROUND DEPTH J a f <br /> READING TION MATER IN a cr 1 DESCRIPTION DESWELL <br /> (ppm) (blows/ti") (ft/ft) LEVELS FEET < _0 DETAIL <br /> r <br /> w <br /> J <br /> 0-6 ASPHALT ti <br /> 6 - approx 3 FILL <br /> 0 6 05/15 5 SANDY SILT (ML), dark brown (7 5YR, 3/2) 70% fines <br /> 7 30% fine sand damp no odor <br /> 7 <br /> 100 4 13/15 10 SAND (SP), black (7 5YR, 3/2) 90% medum grained, <br /> 4 10% coarse grained sand damp moderate to strong <br /> 4 odor <br /> 4500 8 14/15 15 SANDY SILT (ML), brown 00YR, 5/3) 90% fines 10% <br /> 10 fine sand, bluish discoloration damp strong odor <br /> 15 <br /> SAND (SP) <br /> 20 <br /> REMARKS <br /> EMCON <br />