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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 />FMS24SB08 <br />Dates Drilled: 10/4/07 <br />Bit Type: rag Bit <br />Total Depth Drilled: 46.5 feet bgs <br />Drilling Contractor: Gregg Drilling <br />Borehole Diameter: 8.25 -inch <br />Logged By: Henry lwuh/Chani Leimbach <br />Drilling Method; Hollow Stem Auger <br />Sampling Method: CA Modified Split Spoon <br />Checked By: Vent Elmth, P.G. <br />Rig Model: CME -85 <br />Hammer. wt. 140 Ib. Drop 30 in. <br />Location: Approx. 120' west of former UST locatio <br />'w <br />� PID (ppm) <br />3 <br />da <br />= m <br />> <br />Graphic <br />y Sample ID <br />Log <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />0 <br />___________________ ... ..... <br />Gravel pavement. J:: - I :: i 0 <br />_ d _ <br />_ ::. ee Hand auger toy <br />1 <br />LEAN CLAY (CL), brown (10YR 5/3), moist, 95%fines, 5% fine Q:::' feet bgs. 1 <br />sand medium plasticity, no dilatency, medium toughness, no staining �: n e i n <br />ar odor. <br />2 <br />d:ae,a Backfilled with 2 <br />i:t neat cement grout <br />d... <br />3 <br />d <br />3 <br />4 <br />ae 4 <br />n:ae:a <br />5 <br />FMS24SB08-01-NS 1540 18/18 0.0 2.1 <br />___________________________ <br />___ <br />5 <br />SANDY LEAN CLAY (CL), bro" (IOYR 5/3), moi70% fines <br />30% fine send, low to medium plasticity, no dilatency, medium <br />6— <br />toughness, no staining or odor, 6 <br />7 <br />7 <br />d... d <br />9 <br />: G :: <br />CLAYEY SAND (SC), grayish brown ( IOYR 5/2), moist, 65%fine .� 9 <br />send 35%fines, poorly graded, no staining m odor. ° . d <br />10..... <br />FM5245B08-02-NS 1545 15119 0.0 3.5 <br />; 4 ' " ::: <br />.° ° 10 <br />increased sand content to 70%, 30%fines. - -' <br />Q" <br />12 <br />e:ad;:d 12 <br />13 <br />13 <br />°Idd.e <br />14 <br />; 6<). <br />14 <br />15 <br />FMS24SBOS-03-NS 1550 14/18 0.0 2.8 <br />. <br />. <br />' <br />-------- ---- ------ d.: d:: 15 <br />SANDY LEAN CLAY (CL), brown (10 YR 52), moist, 60% fines, <br />40% fine sand low plasticity, no dilatency, low to medium toughness, <br />16—no <br />staining or odor. 16 <br />4 <br />17 <br />17 <br />d... d <br />18— <br />1�� <br />......dd 18 <br />________________ ____-A:i De:: <br />19 <br />WELL GRADED SAND WITH CLAY (SW -SC), grayish brown ';:; 0: 19 <br />. <br />(IOYR 52), moist, 90% sand; fine to coarse, 10% fines, no staining or <br />odor. <br />20 <br />FMS24SB08-04-NS 1555 15/18 0.0 2.3 <br />di 20 <br />sa <br />21 <br />n 4' <br />22 <br />22 <br />Ste 150 <br />Gcnto, <br />Sacrammu, CA 958]3 <br />C 95 33 <br />Um2670 <br />916679-2000 <br />