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w � <br /> M� �1 <br /> � =Tout�Touchstone <br /> w ents EXPLORATORY BORING LOG <br /> 8�mrounental Managuoeht <br />. Field Location of Bonng Project No 9-8264 Date 2 6 96 Boring No <br /> Client CHEVRON USA PRODUCTS CO MW�`�F w <br /> Location 3775 Tracy Boulevard 'Y'YY <br /> See Figure 1 City Tracy,CA Sheet 1 <br /> Logged By v-41 Driller V&W of 2 <br /> Casing Installation data <br /> Drilling Method Hollow Stem Auger <br /> Hole Diameter 8-Inch Top of Box Elevation Datum <br /> m Q Water Level a a� L a`° -- o-US <br /> FL a -��° nyi a m m m °1 �y E UU Time 1541 <br /> ma� ern coz ° (0– �° ern? Date 2696 <br /> 1 CLAY(CL) -very dark grayish brown (10YR 312), damp, <br /> > >t: stiff, 100%clay <br /> 3i <br /> 3� `> <br /> 3 >r <br /> 52 5 NR 4 NO RECOVERY <br /> 7 <br /> 9 5 <br /> 12 MW 4 6 COLOR CHANGE TO olive gray (5Y 512), very stiff, moist, <br /> MW <br /> 155 13 $5 at 6 0 feet <br /> 7 — <br /> 8 <br /> 6 S&H 9 — SILT(ML) -olive gray (5Y 412), very stiff, moist, 95%silt, <br /> 11 MW-4 — 5%fine sand, low plasticity, greenish gray (5GY 511), <br /> 96 13 100 10 _ discoloration in rootholes <br /> 11 — <br /> 12 = <br /> 13 <br /> z 1 s S&H NR = SILTY SAND (SM) - light yellowish brown (2 5Y 516), medium <br /> 10 14 dense, saturated, 60%fine to medium sand, 20%silt, 20% <br /> 11 fine gravel <br /> 15 <br /> 16 — <br /> 17 <br /> 18 <br /> 19 Ila — AS ABOVE -fine gravel not present <br />. Remarks <br />