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i <br /> ' Lo <br /> Stellar Environmental Solutions Sal[ Baring g <br /> 2188 Sixth Street, Berkeley, GA 94710 <br /> ' Geoscience&Engineering Consulting <br /> BORING NUMBER MW-4 Page 1 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 b s <br /> ' DRILLING COMPANY Woodward Drilling DRILLING METHOD Hollow Stem <br /> DRILLER Van/Rick GEOLOGIST F Hayden_ DATE DRILLED 616/02 <br /> Jam¢ 5 PID <br /> z <br /> DEPTH GRAPHIC a>> INSTRUMENT DESCRIPTION/SOIL CLASSIFICATION REMARKS <br /> (feet) LOG READING <br /> (PPmv) <br /> ' 0 Asphalt/gravelly (hand auger 5') <br /> Gravelly sand (SG?), reddish <br /> 2 SG? brown, gravelly sand, w/some silt <br /> ' 4 (See samples collected from D-1 <br /> -8'SW for intervals 5, 10, 15, 20) <br /> 6 Silty sand (SM), yellowish brown, <br /> • _ silty sand, w/clay, no odor, slightly <br /> 8 moist <br /> • � See also boring log D-1 <br /> M <br /> 10 for samples @5', 10',= • <br /> • <br /> 15'& 20'depth <br /> 12 ' <br /> —14— <br /> _16— Clayey sand (SC), yellowish <br /> brown, clayey sand w/some silt, <br /> 18 no odor, slightly moist, sand -8o% <br /> coarse-fine <br /> 20 <br /> Clayey sand (SC), reddish gray, <br /> ' 22 clayey sand, some silt, <br /> popcorn-sized balls <br /> —24—. Clayey sand (SC), reddish gray <br /> ' 26 50 720 and light gray clayey sand, @830, MW-4-25 <br /> w/some silt (hydrocarbon odor), <br /> 28 slightly moist <br /> Silty sand (SM), grayish brown, <br /> 30 50 1020 silty sand, w/reddish mottling, @g45, MW-4-30 <br /> • 5112 some clay, hydrocarbon odor, <br /> ' 32 slightly moist, med -fine <br /> _34— • <br /> Clayey sand (SC), light grayish, <br /> 36 is 130 clayey fine sand, w/some sift, 0900, MW-4-35 <br /> 50 <br /> for moist, mica?, odor <br /> 38 a <br /> ' 0 40 (MW-4-40, see page 2) <br /> N <br /> 0 <br /> 0 <br /> N <br />