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Stellar Environmental Solutions Soil Boring Log <br /> 2198 Sixth Street, Berkeley, CA 94710 <br /> Geoscience&Engineering Consulting <br /> ' BORING NUMBER MW-5 Page 2 of 2 <br /> ' PROJECT Barber (Acampo) OWNER Western Oil & Spreading <br /> LOCATION WO&S, Acampo, CA PROJECT NUMBER 2002-20 <br /> iTOTAL DEPTH 60 feet bgs BOREHOLE OIA 8-inch <br /> SURFACE ELEV Not surveyed WATER FIRST ENCOUNTERED -50 feet bgs <br /> DRILLING COMPANY Woodward Drilling DRILLING METHOD Hollow Stem <br /> DRILLER Van/Rick GEOLOGIST F Hayden DATE DRILLED 6/6/02 <br /> PID <br /> ' DEPTH GRAPHIC a}7 INSTRUMENT <br /> (feet) LOG a�� mo READING DESCRIPTION/SOIL CLASSIFICATION REMARKS <br /> " (ppmv) <br /> 40 20 0 0 Sand (SP), light brownish grey, <br /> 20 med fine, slightly moist, no odor, @ 950, MW-5-40 <br /> 42 35 <br /> 44 <br /> 46 5a 0 0 Same (SP), Q 1000, MW-5-45 <br /> for <br /> 4$ 6 <br /> M <br /> 50 100% same (SP), except saturate <br /> 52 50 o s Q 1005, MW-5-50 <br /> -1/ <br /> 54 <br /> 25 0 0 Clayey sand (SC?), yellowish 1010, MW-5-55 <br /> brown, wl some silt, saturated, <br /> 56 <br /> ' no odor, <br /> 58 <br /> Sand (SP?), orange brown, <br /> 60 0 o med -fine sand, w/some silt, <br /> for trace clay 1020, MW-5-60 <br /> ' 5'Iz <br /> Bottom of boring at 61 5 <br /> Gw encountered @ 50 <br /> Completed monitoring well <br /> TO of MW=60' <br /> ' screen 60-40 020 slot <br /> Sand#3 38 60' <br /> Bentonite chips 36-38 <br /> Grout to grade using neat <br /> portland cement(36 to 0) <br /> 0 <br /> ry <br />