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Project: California Army National Guard, FMS24 <br />Log of Soil Boring: <br />Location: 8010 South Airport Way, Stockton, CA Project Numberi8600251 <br />FMS24SB06 <br />Dates Drilled: 10/4/07 <br />Bit Type: Drag Bit <br />Total Depth Drilled: 46.5 feet bgs <br />Drilling Contractor: Cragg 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: Vem Elarth, P.G. <br />Rig Model' CME-85 <br />Hammer: wt. 140 Ib. Drop 30 in. <br />Location: In front of Operations Building. <br />PID (Ppm) <br />w <br />0 E <br />W <br />0 u <br />2 <br />`o <br />Graphic <br />rn Sample ID �.,, <br />Log <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />0 <br />_____________________________________ <br />Asphaltlroad base. :::fir 0 <br />1 <br />____________________________________ ... e.:;d Hand auger toy <br />LEAN CLAY (CL), dark olive gray (5Y 32), moist, 90% lines, 10% ::: 0.' ' feet bgs. 1 <br />sand; fine, medimn Plasticity, no dilatency, medium toughness, no °' e ° : n <br />2 <br />staining or odor. <br />... e...d Backfilled with 2 <br />3 <br />neat cement grout. <br />d...d <br />3 <br />4- <br />4 <br />5— <br />0' <br />FMS24SB06-01-NS 0855 <br />0.0 0.3 <br />Grades to brown (]OYR 5/3), dry, e - e ° 5 <br />d.e°:° <br />6 <br />n ae!a 6 <br />7 <br />a:dd1d 7 <br />6 <br />_ <br />_____________________________________e;: d:: <br />d ... d <br />SANDY LEAN CLAY (CL), brown (10YR 5/3), moist, 70% fines, <br />30%sand; fine, medium plasticity, no dilatency, molded, blocky, no e... e <br />9 <br />staining or odor. <br />d ... d <br />10 <br />FMS24SH06-02-NS 0900 18/I8 <br />0.0 0.5 <br />Dry to moist, 65% fines, 35% sand, partially cemented. 10 <br />12 <br />12 <br />13— <br />-13 13 <br />14 <br />' <br />Yellowish brown (10YR 5/8), moist. a :: 0e 14 <br />15 <br />FMS24SB06-03-NS 0905 18/18 <br />0.0 1.0 <br />d. ° °: ° 15 <br />16—°gid.°.:e <br />X <br />—16 <br />17ii:pii: <br />d:ae a 17 <br />16 <br />—18 <br />d ... d <br />60% fines, 40% sand, partially cemented. 19 <br />e ... e <br />FMS24SB06-04-NS 0915 18/180.0 <br />l.9 <br />-----------------------------------I20 <br />_ <br />SANDY LEAN CLAY (CL), brown (IOYR 5/3), mcist, 60% fines, <br />40%san fine, <br />d; <br />21 <br />medium plasticity, no dilater <br />P ty. cy, Partially cemented, <br />. <br />t no staining or odor. <br />_________________________ __ .22 <br />WELL GRADED SAND WITH CLAY (SW-SC), dark yellowish;; <br />2870 Ste 150 <br />Sammen[o, CA 95873 <br />nento,C 95 33 <br />91"79-2000 <br />