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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 20805-140.010 WELL NO AS-3 <br /> PROJECT NAME ARCO #548, Stockton PAGE 1 of 4 <br /> BY Pat Jamison DATE 10/26/98 SURFACE ELEVATION <br /> u <br /> En <br /> FID PENETRA- GROUND DEPTH w ¢x <br /> READING TION RECOVERY WATER IN "L -� DESCRIPTION WELL <br /> (Ppm) (Gloms/8 ) (ft/10LEVELS FEET a oo DETAIL <br /> Vj Z U <br /> f- <br /> 0-6 ASPHALT <br /> 6 - approx 3 BACKFILL <br /> 34 9 13/15 5 SAND (SP), dark brown 00YR, 3/3) 100% fine grained <br /> 10 sand dry, no odor <br /> 12 <br /> 60 4 14/15 10 SILT (ML), b€ack (10YR 2/1) 100% fines slightly damp <br /> 4 no odor <br /> 7 <br /> 4 7 13/15 i5 SANDY SILT (ML), brown (10YR 5/3) 80% fines 20% <br /> 9 fine sand orange discoloration from iron oxide staining <br /> 14 slightly damp no odor <br /> 20 <br /> REMARKS <br /> EMCON <br />