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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 Pat Jlrtlison DATE 10/28/88 SURFACE ELEVATION <br /> U <br /> T <br /> FID PENETRA- SROUNO DEPTH wVy a <br /> READING TION RECOVERY WATER IN WELL <br /> a <br /> fit/ft1 0-1 DESCRIPTION DETAIL <br /> (PPM) (blows/6 1 LEVELS FEET a o0 <br /> J <br /> 0-6 ASPHALT <br /> 6 -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 (IOYR, 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 8 13/15 15 SANDY SILT (ML), dark grayish brown (2 5YR 4/2) <br /> 34 80% fines 20% fine grained sand, slightly damp <br /> 50 <br /> SAND (SP), described on next page — — <br /> 20 <br /> REMARKS <br /> EMCON <br />