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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 939-01.09 BORING NO. GW-10 <br /> PROJECT NAME Harney Lane Landfill PAGE 2 OF 3 <br /> BY L. Gallagher DATE 10/8/91 SURFACE ELEV. ft. <br /> J a. • W LITHO- WELL <br /> a. iL GRAPHIC DESCRIPTION DETAIL <br /> �W ¢ COLtWN <br /> J � <br /> SMTY S (SM), continued. <br /> @20': 10-15% fines; 85-90% fine to very <br /> coarse sand. <br /> SANDY CLAY (CL), dark yellowish brown <br /> (10YR, 4/6); 10-20% fine to very fine sand, <br /> subangular to subrounded; 80-90% low- to <br /> 25 moderate plasticity fines; damp. <br /> 30 <br /> 35 @35': brown (10YR, 4/4); 2-5% subrounded <br /> gravel; 10-15% very fine to medium sand, <br /> subangular to subrounded; 80-88% low- to <br /> moderate-plasticity fines; damp. <br /> SELTY SAND (SM), yellowish brown (10YR, 5/6); <br /> trace gravel: 80-90% very fine to medium sand, <br /> subangular to subrounded; 10-20% <br /> low-plasticity fines; damp. <br /> 1-40 <br /> PWAAR cs <br /> Boring drilled with 6-inch-diameter solid flight augers. Boring converted to a 0.5-inch-M PVC Tri-level Gas <br /> Probe. Logged from drill cuttings. <br /> E O <br />