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Project: California Army National Guard, FMS24 <br />Log of Soil Boring: <br />Location: 8010 South Airport Way, Stockton, CA Project Number18600251 <br />FMS24SB09 <br />Dates Drilled: 10/5/07 <br />Bit Type: Drag Bit <br />Total Depth Drilled: 46.5 feet bgs <br />Drilling Contractor: Gregg Drilling <br />Borehole Diameter: 8.25-inch <br />Logged By: Henry Iwuh/Chani Leimbach <br />Drilling Method: Hollow Stem Auger <br />Sampling Method: CA Modified Split Spoon <br />Checked By: vem Elardr, P.G. <br />Rig Model: CME-85 <br />Hammer: wt. 140 Ib. Drop 30 in, <br />Location: Behind the Warehouse on southern end o <br />a <br />m PID (ppm) <br />m <br />N u 2N1 V Graphic <br />i✓ y Sample ID .�°5 Log LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />0 <br />Op�jQ' <br />Gravel surface. a i i d i i 0 <br />d... d <br />a �Ta <br />Mind auger to 1 <br />___(_____)_ _______ zii�nc feet bgs. <br />SILTY CLAY CL, <br />( )very dark broom lOYR S/3 ,moi 95%fines, .. d...e <br />5% sand, fine, medium plasticity, no dilateacy, no staining or odor. 0:::' <br />a: a a:n Backfilled with 2 <br />3 <br />V d <br />1::' D :: j neat cement grout. <br />3 <br />q <br />v' v <br />d:ad:e <br />4 <br />5 <br />_ _ <br />_____________________________________ <br />FMS24SB09-01-NS <br />0750 <br />__d...d <br />d:... Diir <br />LEAN CLAY (CL), brown (IOYR 5/3), moist, 98% fines, 2%fine 5 <br />6 <br />sand, medium plasticity, no ddatency, medium toughness, no staining "' ° <br />m odor. iii@a?6 <br />e... <br />d <br />7 <br />7 <br />8 <br />8 <br />9 <br />- <br />-_-----.P.izPiz 9 <br />SANDY LEAN CLAY (CL), brown (IOYR 5/3), moist, 70%fines, : Q :' <br />10 <br />d, p ty, oo staining or odor. d... d <br />30% fine sand, low to medium plasticity, <br />FMS24SH09-02-NS <br />0755 <br />16/18 <br />• <br />Grades to 65% lines, 35% fine sand. <br />d... <br />12 <br />d <br />d:ad a 12 <br />13 <br />13 <br />Cm—13 <br />Grades to 55 %fines, 45 %fine sand. <br />14— <br />14 <br />14 <br />15 <br />FMS24SB09-03-NS <br />0800 <br />I5/18 <br />"' 15 <br />16 <br />—16 <br />17 <br />17 <br />d... e <br />18 <br />18 <br />19 <br />_..._ <br />• <br />__________________ ____________ e.:D:: <br />--... d.::° 19 <br />- - <br />CLAYEY SAND (SC), grayish brown (IOYR 52), moist, 90% fine 1: <br />20 <br />sand 20% fines, no staining or odor. ° e ° . <br />FMS245H09-04-NS <br />0805 <br />14/18 <br />.::: <br />: A.... <br />- 20 <br />21 <br />21 <br />22 <br />SANDY LEAN CLAY (CZ), brown (IOYR 5/3), moist. 60%fines, 22 <br />40% <br />sand; fore to medium, low plasticity, slow dilatency, medium <br />23 <br />toughness, no staining or odor. <br />24 <br />24 <br />25 <br />FMS245B09-05-NS <br />0810 <br />16/18 <br />:.:.... . <br />28705 Ste 150 <br />Sacruaento, mo, C CA 95833 <br />916679-2000 <br />