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Project: California <br />Location: 8010 South Airport <br />Dates Drilled: 10/5/07 <br />Drilling Contractor: Gregg Drilling <br />Drilling Method: Hollow Stem Auger <br />Rig Model: CME -85 <br />National Guard, FMS24 <br />ckton, CA Project Numberi8600251 <br />Bit Type: Drag Bit <br />Borehole Diameter: 8.25 -inch <br />Sampling Method: CA Modified Split Spoon <br />Hammer: wt. 140 lb. Drop 30 in. <br />u PID (ppm) <br />v � <br />8 <br />a E o Graphic <br />Sample ID F, m w° Log <br />Log of Soil Boring: <br />FMS24SBIO <br />Total Depth Drilled: 45 feet bgs <br />Logged By:: Henry Iwuh/Chani Leimbach <br />Checked By: Vem Elarth, P.G. / <br />Location: Behind the Operations building on the <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />----------------------------------- <br />oncrete surface. <br />______ ______ ... d:::a Hand auger toy <br />EAN CLAY (CL), very dark brown (IOYR 2/2), moist, 95% fineii, .a Ga feet bgs. <br />'4 sand; fine, medium plasticity, no dilatency, medium toughness, no <br />awing or odor <br />-1 Back511ed with <br />On' tdlll neat cement grout. <br />mvo (IOYR 5/3), 90% fines, 10%fine smd. <br />---------------------------------- <br />LAYEY SAND (SC), grayish brown (10YR 5/2), moist, 75% sand; <br />re, 25%fines, poorly graded, no staining or odor. <br />-----------------------------------...a.... <br />WDY LEAN CLAY (CL), brawn (10YR 5/3).60% fines, 401% <br />1 ..: <br />nd; fine, low in medium plasticity, no dilatancy, medium toughness, <br />P staining or odor. <br />______ ________ <br />IAN CLAY (CL), very dark brown (10YR 22), moist 95% fines, <br />::: <br />n <br />6 sand; fine, medium plasticity, no dilatancy, medium toughness, no <br />p <br />doing or odor. <br />ELL GRADED BAND WITH CLAY (SW -SC), Yellowish brown <br />... a .... <br />OYR 5/6), moist, 90%sand; fine to coarse, 10% fines, micaceous, no <br />lining or odor. <br />a <br />UM26]0W1 C 95 Sae 150 <br />ac�unuuo, C <br />SA 958]133 <br />916679-2000 <br />E <br />1 <br />7 <br />1 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />