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I <br /> Ermc, <br /> Page 3 of 3 SOIL BORING LOGWMW <br /> BOREHOLE NUMBER <br /> MW-31 ENSR Corporation, Inc <br /> PROJECT NAME LOCATION 10411 Old Placerville Road <br /> I Unocal No 5098 5606 Pacific Avenue Suite 210 <br /> PROJECT NUMBER <br /> 06940-294-120 Stockton California Rancho Cordova, Ca 95827 <br /> 916-362-7100 <br /> www ensr corn <br /> oVIM <br /> Depth Graphic Visual D e s c r tp t i o n Blow Depth Sample v 131 u e s <br /> (continued)) Lop Counts (feet) ID (ppm) <br /> Clayey Silt moist gray green medium dense non 19 100 <br /> plashc trace of medium grained sand micaceous 19 <br /> no staining slight solvent odor 2`6 <br /> 80 80 <br /> Silty Sand gray/brown wet flowing 50%fine 17 60 <br /> grained sand 50%fines medium density t9 <br /> micaceous no odor or staining 2s <br /> I BENTONITE Silty Sand gray-green wet 60%very fine grained <br /> SEAL <br /> sand 5%fine grained sand 35%fines trace of <br /> t medium grained sand no odor or staining <br /> 65 No 3 SAND — Gravelly silt gray green wet cracks between 19 85 40 <br /> z INCH ND <br /> 2 PVC o 020 CH gravel and silt maximum gravel size^-0 75 cm no 22 <br /> MACHINE ° \6dor or staining 24 <br /> SLOTTED • Gravelly silt gray green,wet medium dense 10% <br /> CASING gravel to–1 cm 10%medium grained sand 60% <br /> fines no odor or staining <br /> e <br /> 90 — �drr <br /> h 511t graylblack with gray green silt 9D <br /> FLUSH <br /> THREADED e maximum–2 5cm h diameter,wet no 16 0 <br /> BOTTOM atnin 21 <br /> CAP Bottom of borehole at 90 feet 22 — <br /> I1`l o <br /> US <br /> 1 � <br /> d <br /> U <br /> F � <br /> N <br /> Z <br /> 'a <br /> N <br /> m <br /> U <br /> O <br /> m <br /> I d <br /> CE1 C7 <br /> Z <br /> K <br /> M <br /> ro <br /> J <br /> N <br /> Z <br /> O <br /> P: <br /> Z <br /> Z <br /> O <br /> U <br /> J <br /> J <br /> IIII <br /> I <br />