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Project: California Army National Guard,FMS24 Log of Soil Boring: <br />Location: 8010 South Airport Way Stockton CA Project Numberi8600251 �Ar <br />Dates Drilled. 5/I/07 <br />Bit Type: HSA <br />S24SB02 <br />Total Depth Drilled: 60 feet bgs <br />Drilling Contractor: Gregg Drilling <br />Borehole Diameter: 8.25 -inch <br />Logged By: Margaret Hogaboom <br />Drilling Method: Hollow Stem Auger <br />Sampling Method: CA Modified Split Spoon <br />Checked By: Veru Month, P.G. <br />Rig Model: Marl M5T Rhino <br />Hammer: wt. 140 Ib. Drop 30 in. <br />Location: About 60 ft north of former diesel UST. <br />k u PID (ppm) <br />S D B <br />'2 <br />Graphic <br />v ti Sample ID Log LrMOLOGY DESCRIPTION BOREHOLE COMPLETION <br />0 <br />n39 <br />Asphalt. p <br />1 <br />�' Hand auger to 5 <br />_ _ _ ________________________________ .. feet bgs. <br />LEAN CLAY (CL), brown (10YR 4/3), damp, 90% fines, 10% fine . ^' D: 1 <br />Q <br />2 <br />sand medium plasticity, no dilatmey, medium ton 0 i <br />toughness, high dry D..: D <br />strength, no odor. : <br />2 <br />0 Bacldilled with <br />3 <br />nest cement grout. <br />D: <br />D: 3 <br />4— <br />-4 4 <br />5 <br />gip: <br />is -1S <br />D:iiD: 5 <br />6 <br />0.0 <br />0.0 <br />a.�0: 6 <br />Color change to brown (1 OYR 5/3), moderately cemented nodules. D.::. <br />7—<) <br />0 <br />D. 7 <br />6 <br />O� <br />9 <br />OQ <br />D D: 9 <br />p0 <br />I Si t s <br />_ = <br />SILTY SAND (SM), brown (I OYR 4/3), dry to damp, 55% fee sand, -- D 0 10 <br />11 <br />_— <br />= _— <br />45% fines, micaceous, no odor. <br />0.0 <br />0.512 <br />=p:0: <br />12 <br />— —_ —_ <br />O: <br />13 <br />____— <br />— <br />0 <br />D:: <br />_ <br />_ _— <br />13 <br />Op. <br />14 <br />O:O' 14 <br />15 <br />lens <br />- =— <br />--- <br />p:0 <br />---------- -- -------------- ----- ---- <br />15 � <br />wn <br />FAT CLAY (Cli), bro(I OYR 4/3), moist, 9-0-%- <br />0 %fines, 1o% fine � O' <br />16 <br />high plasticity, no dilatancy, high toughness, high dry strength, D::: D: <br />0.0 <br />0.7 <br />.. ..– <br />–sand, <br />no odor.;; <br />_______ ___ 0' 16 <br />_----------- D: <br />D: <br />SANDY FAT CLAY (CFI), brown (IOYR 4/3), moist, 60%fines, 40 <br />17 <br />fine sued, high plasticity, no dilatency, high toughness, high dry D. 0 p, <br />strength, no odor. 17 <br />oO <br />18 <br />18 <br />D.::D: <br />19 <br />O <br />O� <br />20 <br />'---- <br />------------------------------------ ,np: <br />20 <br />2970 0ainwy oaks Dr., Ste iso <br />Sacramento, CA 95833 <br />916-679-2000 <br />