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LOG OF EXPLORATORY BORING <br /> PROJECT'NUMBER C42-01.10 BORING NO. PS/WC-2S <br /> PROJECT TAME Port of Stockton PAGE 1 OF 2 <br /> BY bt.Capps DATE 7/21192 SURFACE ELEV. 2.6 fL <br /> -fW LIPHI HELL <br /> -110 <br /> w d dGRAPHIC DESCRIPTION DETAIL <br /> 1(o <br /> W j COLLJJ raj <br /> f:c!f[: fppml N <br /> 2.1/5.0 1 FILL.,SILTY GRAVELLY SAND,gray brown <br /> (10YR,5/2); 20Fc low plasticity fines; 50% sand; <br /> 30% gravel; dry. <br /> oz <br /> SANDY CLAY(CH).very dark gray(10YR,3/1), <br /> 70-75% high pL sucity fines: 25-30% fine sand; <br /> iron and manganese staining; modets: cuff;dry. <br /> 3.4/5.0 l,3 5 @ 4.2': gray brown (2.5Y.52),90%high <br /> plasticity fines: 10% fine sand; moist. <br /> SILTY SAND(SM), olive brown(2.5Y,4/3); 15% <br /> low plasticity fines: 85% fine sand,moist. <br /> 1.3 SANDY CLAYCL , <br /> ( ) gray brown (2.5Y,512),85% <br /> low plasticity lines: 15% fine sand; iron and <br /> manganese stauung; moist. <br /> @ 8.3': caliche nodules. <br /> @ 9': 35-40% fine to medium sand; faint <br /> 4.3/5.0 63 7-24-92 IO hydrocarbon oda. <br /> 1 CLAYEY SAND TO SAND(SC-SP),dark gray <br /> brown(2.5Y,42); 10% low plasticity fines;90% <br /> fine to medium sand,moist. <br /> 15 @ 12': faint to moderate hydrocarbon odor. <br /> 7-23-92 CLAYEY SAND(SC);35% low plasticity fines;50% <br /> fine sand; 15% medium sand; iron and manganese <br /> oxide staining; moist. <br /> @ 13': 15% low plasticity fines;60% fine sand <br /> 15— and 25% medium sand. <br /> 3.0/5.0 6.5 SANDY CLAY <br /> (CIS,60%high plasticity fines;40% <br /> fine to medium sand;moist. <br /> CLAYEY SAND(SC),dark yellowish brown(10YR, <br /> 6.1 4/6);25%high plasticity fines; 75% fine to <br /> medium sand: partially lithified with calcium <br /> carbonate cement iron oxide stained laminae; <br /> wet;no hydrocarbon odor. <br /> SAND(SC-SP),dark gray brown(2.5Y,42); 5-10% <br /> 0.0 low plasticity fines;90-95% fine to medium sand, <br /> 20 <br /> REMARKS <br /> Sm Explaumom of Symbols.Boring was drilled using 8-inch diameter,camomuous-flight,hollow-nem auger drilling <br /> ^ampment.11x,was sampled using a 2-inch diameter,wire-line convey A,split-barrel conRnuous sanpu'r.See Well <br /> Devils for well conswenon mformauom. <br /> E N <br /> 550C IAT°5 <br />