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Page 2 of 3 BOREHOLE NUMBER SOIL BORING LOG MW-31 ENSR Corporation, Inc PROJECT NAME LOCATION 10411 Old Placerville Road Unocal No 5098 5606 Pacific Avenue PROJECT NUMBER Suite 210 Rancho Cordova,Ca 95827 06940-294-120 Stockton California 916-362-7100 www ensr corn - Depth -- - - - - Graphic - - — — -Blow Depth Sample 0VM Visual (continued) Vl Venues (feet) Loa _ _ __ _ z Counts (feet). lD _ (ppm) - Sandy Silt with clay lightbrown moist 80%fines 19 _ 40 20%very fine grained sand no odor or 22 staining trace of low plasticity clay 25 _V GROUND Sily Sand borwn with red oxidation staining 12 0 WATER LEVEL medium dense,micaceous,wet,40%fines 50% 15 1111 a104 fine grained sand,10%medium grained sand 1s trace of clayey silt lenses no odor or staining 45 _ 45 • Sand gray wet medium density 6%medium 12 0 grained sand 30%fine grained sand 5%fines, 12 trace of coarse grained sand,no odor or staining 15 50 _ 50 Silty clay gray-green stiff,<5%sand moist, 10 0 non-low plasticity 13 14 2 55 _ 55 _Sand and Silty_Clay-transitions=Sand is brown _ 15 _ _— �0,___ =� medium grained,grades to very fine grained to 10 in gray-green silty Clay 23 U zN Z OL 80 Sand gray wet medium densly 658 medium 17 _ 20 grained sand 30%fine grained sand 5%fines 19 trace of coarse grained sand no odor or staining 25 0 z I� 6 5 • • fi5 t10 Silty Sand gray/brown wet flowing 50%fine 20 grained sand 50%fines medium density 22 - mtcaceous no odor or staining 28 0 z 0 a m 0 70 _ 70 Well graded Sand with Silt gray/brown 300A 19 MW 31 74 540 o medium grained 20%fine grained sand 50% 25 U fines wet medium dense slight solvent odor no 26 staining 0 J J 75 75