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Project: California Army National Guard, FMS24 <br />Log of Soil Boring - <br />oring:Locationl:8010 <br />Location: 8010South Airport Way, Stockton, CA Project Numberi8600251 <br />FMS24SBO8 <br />Dates Drilled: 1014107 <br />Bit Type: rag 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: Hallow Stem Auger <br />Sampling Method; CA Modified Split Spoon <br />Checked By: Vern Elarth, P.G. 060�� <br />Rig Model: CME -85 <br />Hammen wt. 140 lb. Drop 30 in. <br />Location: Approx. 120' west of former UST lacatio <br />ca <br />AID (ppm) <br />a� > N <br />A •' a U o U <br />Graphic <br />Sample ID 0 <br />Log <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />as r6 <br />--------------------------------------........ 0 <br />Gravel pavement. d �d <br />d : <br />------------------------------------ ...d...d Hand augerto5 <br />1 <br />LEAN CLAY (CL), brown (10YR 513), moist, 95% fines, 5% fine a Qe feet bgs. 1 <br />sand, medium plasticity, no dilatency, medium toughness, no staining d... d <br />or odor. <br />2 <br />2 <br />Backfilled with <br />a Oa neat cement grout. <br />3 <br />3 <br />e:Qd;c <br />4 <br />4 <br />5 <br />5 <br />-SANDY <br />FM5245B08-0I-NS 15411 18!18 0.0 2.1 <br />LEAN CLAY (CL), brown (10YR 513), moist, 70% fines, = i7 . . . . <br />30% fine sand, low to medium plasticity, no dilatency, medium <br />6 <br />toughness, no staining or odor. :::0 :::' 6 <br />e:ed:a <br />7 <br />G" 7 <br />8 <br />. .. .. <br />8 <br />- �. <br />---------------------------------------'P.ieP.id <br />... <br />CLAYEY SAND (SC), grayish brown ( I OYR 512), moist, 65% fine 1::: 0 :: 9 <br />sand, 35% fines, poorly graded, no staining or odor, a ; d; d <br />10 <br />—10 <br />FMS24SB08-02--NS 1545 15118 0.0 3.5 <br />; Q ' ' ... <br />increased sand content to 70%, 30% fines. ; <br />Q <br />ai4°1.a <br />11 <br />12 <br />12 <br />13 <br />A ..::' <br />Q <br />d:.:e <br />13 <br />:: <br />:::0::: <br />d:G <br />14 <br />:::p:: 14 <br />15 <br />- - <br />----•----------------------------------- <br />FMS24SBOS-03-NS 1550 14118 0.0 2,8 <br />SANDY LEAN CLAY (CL), brown 10 YR 5/2), moist, 60% fines, <br />40% fine sand, low plasticity, no dilatency, low to medium toughness, a; a ° j e <br />16 <br />no staining or odor. ; ; : .... 16 <br />''e°:d <br />17 <br />a:dea 17 <br />18 <br />- <br />------------------------------------- <br />WELL GRADED SAND WITH CLAY (SW -SC), grayish brown 19 <br />19 <br />(1 OYR 512), moist, 90% sand; fine to coarse, 10% fines, no staining or e : d e : c <br />odor. <br />FM524SB08.04-NS 1555 15118 0.0 2.3 <br />a:a°a 20 <br />21 <br />21- <br />1 <br />22 <br />22 <br />22 <br />2670 Gateway Oaks Dr., Ste 150 <br />Sacramento, CA 95333 <br />916-679-2000 <br />