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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 />FMS24SBO9 <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 IwuhlChani Leimbach <br />Drilling Method: Hollow Stem Auger <br />Sampling Method: CA Modified Split Spoon <br />Checked By; vein Elarth, P.G. <br />Rig Model: CME-85 <br />Hammer. wt, 140 lb. Drop 30 in. <br />Location: Behind the Warehouse on southern end o <br />- Z PID (ppm) <br />cai -a <br />�1 •" a� o1 v Graphic <br />Sample ID pq Log LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />a <br />surface, e:: e:: o <br />••'e•••d Hand auger ta5 <br />1 <br />—�—`T <br />—Gravel <br />----------------•-------------dime feet bgs. 1 <br />a a <br />SILTY CLAY (CL), very dark brown (10YR 513), moist, 95% fines, e <br />2 <br />5%sand; fine, medium plasticity, no dilatency, no staining or odor. <br />D <br />d ... d Backfilled with <br />d ' d <br />• ::: 0. ::: i neat cement grout. <br />3 <br />e:3 <br />a�: <br />4 <br />a • a <br />a:ae.� 4 <br />:d...G <br />FMS24SB09-0I-NS 0750 <br />LEAN CLAY (CL), brown (10YR 513), moist, 98% fines, 2% fine a a5 <br />: a <br />6 <br />sand, medium plasticity, no dilatency, medium toughness, no staining <br />De 6 <br />or odor. a <br />... a ... e <br />7 <br />e : �e:: 7 <br />8 <br />9 <br />-------a:: <br />SANDY LEAN CLAY (CL), brown (10YR 513), moist, 70%fines, <br />10 <br />30% fine sand, low to medium plasticity, no staining or odor. d • • • e <br />;;;�;;; 10 <br />FMS24SB09.02-NS 0755 16118 <br />1 <br />Grades to 65% fines, 35% fine sand. <br />.e..e <br />12— <br />12 <br />13 <br />13 <br />Grades to 55% fines, 45% fine sand. •••�:::d <br />14 <br />... d... d 14 <br />15 FMS24SB09-03-NS 0800 15118 <br />:::d:::' 15 <br />17 <br />a::Oa:: 17 <br />... a ... d <br />18 <br />19 <br />-- .. -_ <br />__ ____ e:: <br />------__ -- --------- — ----...e...e 19 <br />• <br />CLAYEY SAND (SC), grayish brown (I OYR 512), moist, 80% fine <br />20 <br />sand, 20% fines, no staining or odor, <br />20 <br />FMS24SB09-04-NS 0805 14118 <br />X <br />21 <br />21 <br />22 <br />SANDY LEAN CLAY (CL), brown (I OYR 513), moist, 60% fines, i i : d:.' 22 <br />40% sand; fine to medium, low plasticity, slow dilatency, medium <br />toughness, no staining or odor. <br />�e:: <br />23 <br />a:: 23 <br />.e. .e <br />24 <br />° A °: a 24 <br />25d <br />FMS24SB09-05-NS 0810 16118 <br />..: a 25 <br />2870 Gateway Oaks Dr., Ste 150 <br />Sacramento, CA 95833 <br />916-679-2000 <br />