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• <br /> Total depth of boring, 60 ft Diameter of boring, 8 in Date drilled, 2/26/92 <br /> Casing diameter, 2 in Length, 60 ft Slot size, 0 02 <br /> •� Soreen diameter, 2 in Lengtho 40 ft Material type: PVC <br /> Drilling Company, Wayne Drilling Co Driller, Rich, Jay <br /> Method Used. Hollow—stern Auger Feld Gqoologist. Claudio <br /> Signature of Registered Professional, 4__ <br /> Registration Nor 4.313 $ te, Calif <br /> • <br /> DEPTH <br /> SAMPLE 19 WALL <br /> P•LD. USCS DESCRIPTION <br /> NO. lm CODE CONST. <br /> • <br /> Topsoil <br /> 0 <br /> 2 <br /> 4 <br /> 6 5-6 2Q <br /> 0 Silt with some clay, dark brown, dry, ' <br /> ppmv ML low plasticity, very stiff <br /> t $ <br /> 10 <br />• 5-11 21 0 SM Sandy silt, fine—grained sand, brown, dry, <br /> 2 ppmv medium dense <br /> 14 <br /> • Silt with some clay and thin tenses of fine—grained <br /> 1 S-16 21 ppmv ML sand brown, slights damp, low plasticity, very <br /> stiff (black molting) <br /> Clay with trace silt, olive green, damp, medium <br /> plasticity, medium stiff <br /> 18 <br /> • 2Q <br /> (section continues downward) <br /> AMM• <br /> "AwAk/" LOO OF BORING B-7/MW-6 PLATE <br /> Former Unocal Station No. 2859 <br /> > 1665 Pacific Avenue 4 <br /> PROJECT NO. 36012-10FILENO Stockton, California <br /> 8012J5A <br />• <br />