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Y 1 <br /> IJ 1 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 20805-140.010 WELL NO AS--1 <br /> PROJECT NAME ARCO #548, Stockton PAGE 1 of 4 <br /> BY Pet Jlmison DATE 10/28/98 SURFACE ELEVATION <br /> U <br /> FID PENETRA— ROUND DEPTH w of <br /> READING TION RECOVERY WATER IN d ccDESCRIPTION WELL(PPm) (blows/6') (ft/ft1 LEVELS FEET N 00 DETAIL <br /> J 1 <br /> 0-6 ASPHALT h <br /> S -1 FILL, SILTY (ML) CLAY (CL), black (7 5YR 2/0) <br /> 100% fines <br /> @ 3 hit broken hardpan, brown (10YR, 5/3) <br /> 0 10 13/15 5 SILT (ML), brown (10YR, 5/3), 100% fines, iron oxide <br /> 30 stain 30% slightly damp <br /> 49 <br /> 0 4 14/15 10 SILTY SAND (SM), brown 00YR, 5/3) 50% fines, 50% <br /> 15 fine grained sand, slightly damp <br /> 15 <br /> 0 B 13/15 15 SANDY SILT (ML), dark grayish brown (2 5YR, 4/2), <br /> 34 80% fines, 20% fFne grained sand slightly damp <br /> 50 <br /> 12 SAND (SP), described an next page — — — <br /> 20 <br /> REMARKS <br /> EMCON <br />