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' Stellar Enulronmenial Solutions Soil Boring Log <br /> 2198 Sixth Street, Berkeley, CA 94710 <br /> Geoscience 8 Engineering Consulting <br /> BORING NUMBER MW-4 Page 2 of 2 <br /> ' PROJECT Barber (Acampo) OWNER Western Oil & Spreading- <br /> LOCATION WO&S, Acampo, CA PROJECT NUMBER 2002-20 <br /> TOTAL DEPTH 60 feet bgs BOREHOLE DIA 8-inch <br /> SURFACE ELEV ~100 feet WATER FIRST ENCOUNTERED . --55 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 d}y INSTRUMENT DESCRIPTION/SOIL CLASSIFICATION REMARKS <br /> (feet) LOG Iwo �� READING <br /> Q�� �o <br /> (PPmv) <br /> ' 40 Clayey sand (SC), yellowish- <br /> ®915, MW-4-40 <br /> brown clayey sand,fine, <br /> 00 00 <br /> 42 moist, w/some silt <br /> ' 44 <br /> Clayey sand (SC), grayish-brown, <br /> 46 50° � 00 clayey sand w/same silt, reddish <br /> @935' MW-4-45 <br /> for mottling, whitish stain, no odor, <br /> --48-- 51/z slightly moist <br /> 50 50 0000 Clayey sand (SC), yellowish <br /> 51,2 brown, clayey sand w/same silt, @ 1000, MW-4-50 <br /> 52 moist, no odor <br /> 54 <br /> 56 50 0 0 Sand (SP), reddish brown, <br /> 4 <br /> medium sand @ 1015, MW-4-55 <br /> 58 <br /> 60 Same (SP) <br /> ' 40 @ 1030, MW-4-60 <br /> so Bottom of boring at 60' Q 1008 <br /> for <br /> 5 <br /> Boring terminated @ 60' @1008 <br /> GW encountered @ 55 bgs <br /> Construct monitoring well MW 4 <br /> ' Screen 60-40 020 slot <br /> Sand 93 38-60 <br /> Bentonite chips 36-38' <br /> Grout to grade using neat <br /> Portland cement(36 to 0) <br /> • <br /> o <br /> 0 <br /> N <br /> N <br /> O <br /> N <br /> 1 <br />