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Project: California Army National Guard, FMS24
<br />Log of Soil Boring:
<br />Location: 8010 South Airport Way, Stockton, CA Project Number38600251
<br />FMS24SB11
<br />Dates Drilled: 1015/07
<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:
<br />Henry Iwuh/Chani Leimbach
<br />Drilling Method: Hollow Stem Auger
<br />Sampling Method: CA Modified Split Spoon
<br />Checked By:
<br />Vern Elarth, P.G.
<br />Rig Model: CME -85
<br />Hammer: wt. 140 Ib. Drop 30 in.
<br />Location: North end of the site.
<br />a
<br />PID (ppm)
<br />c Ej
<br />U m� N o
<br />A 2 m 2
<br />Graphic
<br />Sample ID
<br />Log
<br />LITHOLOGY DESCRIPTION
<br />-- ------------------------
<br />Asphalt surface.
<br />BOREHOLE COMPLETION
<br />>7
<br />e::
<br />a
<br />o
<br />--------------------------------------e::
<br />..e...e Hand augerto5
<br />1
<br />t Roadbase.
<br />! , 0 feet bgs.
<br />1
<br />-------------------------------------
<br />LEAN CLAY (CL), very dark brown (10YR 212), moist, 90% fines,
<br />2
<br />10% sand; fine, medium lastici
<br />p ry, no dilatency, medium toughness,
<br />e.: e::
<br />a .. , d Backfilled with
<br />2
<br />blocky, no staining or odor.
<br />neat cement grout.
<br />3
<br />3
<br />a:i�ai:
<br />4
<br />ai Daii
<br />4
<br />a:De::
<br />5 FMS24S811-01-NS
<br />::
<br />-----__ _____ ____________________
<br />LEAN CLAY WrrH SAND (CL), brown (1 OYR 513), moist, 80%
<br />.e...e
<br />Q
<br />5
<br />fines, 20% sand; fine, medium plasticity, no dilatency, medium
<br />6
<br />Q
<br />toughness, no staining or odor.6
<br />Via::
<br />7
<br />:d::::.
<br />7
<br />$
<br />d
<br />Grades to 85% fines, 15% fine sand, partially cemented.
<br />d:::G
<br />Q
<br />$
<br />9
<br />–
<br />--------------------------------------
<br />LEAN CLAY (CL), grayish brown (10YR 512), moist, 90% fines,
<br />...
<br />...0...
<br />e a e
<br />9
<br />10% sand; fine, medium plasticity, no dilatency, medium toughness,
<br />::: Q
<br />10 FM5245B [ I -02 -NS
<br />moderately cemented, no staining or odor.
<br />d ... d
<br />10
<br />12—
<br />—12
<br />13
<br />d '
<br />13
<br />14
<br />a..0.�..'
<br />14
<br />15e'a°.a
<br />1 -03 -NS
<br />Grades to 95% fines, 5% fine sand.
<br />15
<br />XFMS24SBI
<br />16
<br />SANDY LEAN CLAY (CL), brown (10YR 513), moist, 60% fines,
<br />40% sand; fine, low to medium plasticity, no dilatency, medium
<br />... • • .
<br />Oa
<br />17
<br />toughness, no staining or odor.
<br />id, i
<br />17
<br />d ... d
<br />18
<br />e...d
<br />18
<br />19
<br />19
<br />d:aaa
<br />Grades to 55% fines, 45% fine sand.
<br />e.
<br />20
<br />-----------------------------------------
<br />.. :ed:e
<br />20
<br />CLAYEY SAND (SC), yellowish brawn (10YR 514), moist, 85%
<br />21
<br />sand; fine to medium, 15% fines, moderately graded, no staining or
<br />21
<br />.
<br />odor.
<br />22
<br />22
<br />2870 Gateway Oaks Dr., Ste 150
<br />Sacramento, CA 95833
<br />916-679-2000
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