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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 />FMS24SB07 <br />Dates Drilled: 10/4/07 <br />Bit Type: Drag 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: 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. 14016. Drop 30 in. <br />Location: East of the Facility Maintance Shop. <br />Z PID (ppm) <br />V <br />Graphic <br />Sample ID d co ti <br />Log <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />0 <br />_____________________________________ <br />Asphalt/road base.' <br />0 <br />1 <br />________________ ___ ___ _ ___ ___ <br />-----------------------------------------fir to <br />"'d'::° Hand <br />SANDY LEAN CLAY (CL), brown (lOYA 5/3).65% fines, 35% � � : Q �::' feel bgs. <br />rt bg,. <br />1 <br />sand; fine, medium plasticity, no dilatency, medium toughness, no <br />2 <br />staining or odor. <br />... d...d Backfilled with <br />2 <br />3 <br />I neat cement grout. <br />3 <br />d..,d <br />4 <br />d... d <br />4 <br />FMS24SB07-01-NS 1220 13/18 0.0 1.2 <br />Dark yellowish brown(10YR 414),75% fines, 25% sand; fine. <br />8 <br />d ... G <br />n:ae a <br />6 <br />7 <br />7 <br />8 <br />-- d e <br />9 <br />d .. <br />CLAYEY SAND (SC), yellowish brown (IOYR 5/6), moist 75% <br />fine, 25% fines, <br />sand; poorly graded, no staining or odor. <br />9 <br />10 <br />FMS24SB07-02-NS 1225 18/18 0.0 1.9 <br />___ ____ __ ____ ___ ______ "�° <br />10 <br />SAND1.LEAN �Ay,(�) broxv (10YR 5/3), moist, 75%fines, <br />11 <br />25% sand; fine, medium plasticity, no dilatency, medium toughness, ° : a ° : e <br />"' <br />no staining m odor. - <br />a!IOaI'. <br />11 <br />12 <br />12 <br />13— <br />ni:On: <br />13 <br />-13 <br />14-60%f <br />:.. .. <br />Grades to ines, 40%fine send. e:: finis <br />14 <br />... d...d <br />15 <br />FMS24SB07-03-NS 1230 18/18 0.0 1.616 <br />16 <br />d ... d <br />17 <br />e:ad a <br />17 <br />1818 <br />d. d <br />i 9 <br />POORLY GRADED SAND WITH CLAY (SP-SC), yellowish brawn <br />(IOYR 5/6), moist, 90% sand; fine, 10% fines, no staining or odor. a; Da j <br />19 <br />20 <br />FMS24SB07-04-NS 1235 18/18 0.0 2.3 <br />° 0d.' <br />... d..d <br />20 <br />21- <br />1 <br />22 <br />22 <br />.......... <br />22 <br />2870 Cvt y Oaks a., Ste 150 <br />Seavnmto, CA 95833 <br />916.679.2000 <br />