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Project: California Army National Guard, FMS24 <br />Log of Soil Boring: <br />Location:8010 South Airport Way, Stockton, CA Project Number38600251 <br />FMS24SBIO <br />Dates Drilled: 1015107 <br />Bit Type; Drag Bit <br />Total Depth Drilled: 45 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: Vern Elarth, P.G. <br />Rig Model: CME -85 <br />Hammer: wt. 140 lb. Drop 30 in. <br />Location: Behind the Operations building on the e <br />Cd <br />it PID (ppm) <br />�� �i N <br />A' a N o �I U <br />Graphic <br />Sample ID H pq <br />Log <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />------------------------------------- <br />Concrete surface. <br />------------------------------------ Hand auger to5 <br />1 <br />..e...e <br />LEAN CLAY (CL), very dark brown (10YR 212), moist, 95% fines, n :: �a :I feet bgs. 1 <br />5% sand; fine, medium plasticity, no dilatency, medium toughness, no <br />stainingorodor. :: p <br />2 <br />d...G 2 <br />Backfilled with <br />:A neat cement grout. <br />3 <br />3 <br />d... d <br />4 <br />ai:i?ai 4 <br />:a..a <br />5 <br />5 <br />FMS24SB 10-0 1 -NS 18118 <br />Brown (10YR 513), 90% fines, 10% fine sand. <br />6 <br />eAQa 6 <br />7 <br />e:�a:� 7 <br />9 <br />aii�4ii 9 <br />10 <br />- - <br />-------------------------------------...d°. 10 <br />FM5245B ] 0-02-N5 <br />CLAYEY SAND (SC), grayish brown (10YR 512), moist, 75% sand; d Da <br />fine, 25% fines, poorly graded, no staining or odor. d <br />12— <br />—12 <br />13 <br />: 13 <br />14 <br />eii0er 14 <br />e:: <br />15 <br />FMS24SBIO-03-NS <br />`-----------_ --------------- .�:::a 15 <br />.: <br />SANDY LEAN CLAY (CL), brown (10YR 513),60% fines, 40% Q <br />sand; fine, low to medium plasticity, no dilatency, medium roughness, ... d ... e <br />16 <br />no staining or odor. 16 <br />a:-0e;a <br />17 <br />a:aa a 17 <br />18 <br />d:::° 18 <br />19 <br />- <br />-------------------------------- - - - - -- <br />LEAN CLAY (CL), very dark brown (10YR 212), moist, 95% fines, <br />5% sand; fine, medium plasticity, no dilatency, medium toughness, no Q <br />20 <br />FMS24SBIO-04-NS <br />- <br />staining or odor. : a : a 20 <br />... <br />-------------- - -- ------ ----- <br />• <br />WELL GRADED SAND WITH CLAY (SW -SC), yellowish brown ... d ... d <br />21 <br />(10YR 516), moist, 90% sand; fine to coarse, 10% fines, micaceous, no " " 21 <br />staining or odor. <br />22 <br />22 <br />2670 Gateway Oaks Dr., Ste 150 <br />Sacramento, CA 95133 <br />916-679-2000 <br />