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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 />FMS24SBO4 <br />Dates Drilled: 512!07 <br />Bit Type: HSA <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: Vern Elarth, P.G. <br />Rig Model: Marl M5T Rhino <br />Hammer: wt. 140 lb. Drop 30 in, <br />Location: About 65 ft south of former USTs. <br />PID (ppm) <br />J t� 2 <br />eQi e� j N `O <br />q • ca o U Graphic <br />Sample ID H Log LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />0 <br />D .:i 0 <br />Asphalt. D ::: Q: <br />0. 0 : Hand auger to 5 <br />1 <br />------------------------------------- D:::D: feet bgs. 1 <br />SANDY LEAN CLAY (CL), brown (10YR 513), moist, 70% fines, ci • • p : <br />• � <br />30% sand, medium plasticity, no dilatency, medium toughness, high <br />2 <br />dry strength,no odor. ' 2 <br />O <br />0 Backfilled with <br />neat cement groul. <br />3 <br />D ::: D.: 3 <br />4 <br />pQ 4 <br />.. <br />:. <br />..0: <br />ci <br />1253 18118 <br />- __ <br />----•--_------------------------------- �:::t7: 5 <br />_ <br />Caliche, dry to damp, low plasticity, slow dilatency, low toughness, <br />medium dry strength. <br />0.0 4.3 <br />– <br />X <br />-----------------------•-------------- 6 <br />SANDY LEAN CLAY (CL), brown (10YR 5/3), moist, 70% fines, <br />30% sand, medium plasticity, no dilatency, medium toughness high' <br />7 <br />dry strength, no odor. Q::: D: 7 <br />: -q: <br />8 <br />p 8 <br />9 <br />10 <br />- <br />---------------------------- - <br />--------- p4' 10 <br />1257 18118 <br />SANDY LEAN CLAY (CL), brown (I OYR 413), moist, 55% fines, <br />45% fine to medium sand, medium plasticity, medium dilatency, <br />11 <br />medium toughness, hi d strength, no odor. <br />P� high dry � 6;.::: 0;.: 11 <br />0.0 0.6 <br />p <br />12 <br />Dp 12 <br />:p O <br />13 <br />D:::: D.: 13 <br />0;::: D: <br />14 <br />- - –: <br />------------------------------------- —14 <br />CLAYEY SAND (SC), brown (10YR 413), moist, 80% fine to <br />medium sand, 20% fines, slight hydrocarbon -like odor. 0 0' <br />15 <br />D::: D:: 15 <br />1300 14118 <br />16 <br />16 <br />0.0 0.4 <br />�0. <br />17 <br />Q: 17 <br />18 <br />0. 18 <br />19 <br />19 <br />120 <br />2870 Gateway Oaks Dr., Ste 150 <br />Sacramento, CA 95833 <br />916-679-2000 <br />