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• <br />• <br />F- <br />Li <br />Project: California Army National Guard, FMS24 <br />Log of Soil Boring: <br />Location: 8010 South Airport Way, Stockton, CA Project Numberi8600251 <br />FMS24SB05 <br />Dates Drilled: 5/3/07 <br />Bit Type: HSA <br />Total Depth Drilled: 50 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: Vem Blank P.G. <br />Rig Model: Marl M5T Rhino <br />Hammer: wt 140 Ib. Drop 30 in. <br />Location: About 50 ft west of former diesel UST. <br />PID (ppm) <br />v <br />raw = y 8 <br />Graphic <br />Sample ID m H Log LTTHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />[— a <br />0 <br />Asphalt. <br />' Hand auger to 5 <br />0 <br />D: feet bgs. <br />1 <br />1 <br />_____________________________________D::: <br />LEAN CLAY WITH SAND (CL), brown (1 OYR 4/3), dry, 75% fines, C> 0 Q' <br />25% fine to medium sand medium plasticity, no dilatency, medium 0.: D.: <br />2 <br />toughness, high dry strength, no odor. 0'<> . gacktilled with <br />D D : <br />2 <br />neat cement grout. <br />oO: <br />3 <br />3 <br />----------------------------------- _.O. <br />CLAYEY SAND WITH GRAVEL (SC), dark grayish brown (2.5Y D. : D <br />42), dry, 600A fine to coarse sand, 15% fine to coarse gravel, 25% D.: <>.: <br />4 <br />4 <br />fines, no odor. D.::: D <br />_ <br />------------------------------ :<: <br />D" <br />5LEAN <br />18/18 <br />CLAY (CL), brown (10YR 4/3) molded with white splotches, D .. <br />0 Q <br />6 <br />dry to damp. 90% fines 10% fine sand, medium plasticity, no <br />dilatancy, medium toughness, high dry strength, no War. <br />5/3). <br />6 <br />6 <br />0.0 <br />0.2 <br />2 -inch caliche layer, color change to light olive brown (2.5Y <br />oO: <br />7 <br />7— <br /><> <br />D D: <br />8 <br />8 <br />9 <br />9 <br />D:rD: <br />O' <br />0' <br />10 <br />10 <br />IS/I8 <br />Color change to brown (10YR 52), damp. D:iED: <br />oO: <br />11 <br />0.0 <br />LO <br />00 <br />D�O <br />:D; <br />12 <br />12 <br />0O <br />3 <br />13— <br />O' <br />13 <br />D.O' <br />14 <br />14 <br />FAT CLAY WITH SAND (CH), yellowish brown (IOYR 5/4), moist, D::: D.: <br />15 <br />15 <br />I g/I g <br />75% fines, 25% fine to medium sand, high plasticity, no dilatancy, 0 O <br />high toughness, high dry strength, n0 odor. D::: D,; <br />Op. <br />16 <br />16 <br />0.0 <br />0.6 <br />Off: <br />17 <br />O'D�:D: <br />17 <br />18 <br />18 <br />Off: <br />19 <br />19 <br />f <br />.... .. <br />20 <br />20 <br />--- -- <br />-----------------------------------._:0 <br />SavoaatewaySte <br />150 <br />Sacramento, 95 9563333 <br />916fi]9-2000A <br />