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Project: California Army National Guard, FMS24
<br />Log of Soil Boring:
<br />Location: 8010 South Airport Way, Stockton, CA Project Number:18600251
<br />FMS24SBOI
<br />Dates Drilled: 4/30-5/1/07
<br />Bit Type: HSA
<br />Total Depth Drilled: 55 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 IN Drop 30 in.
<br />Location: Between the diesel and gasoline USTs.
<br />a
<br />PID (ppm)
<br />i
<br />N
<br />0-
<br />v
<br />ti
<br />v
<br />Graphic
<br />rn Sample ID
<br />�q
<br />Log
<br />1,ITIIOLOGX AESCRIPTION BOREHOLE COMPLETION
<br />0
<br />Asphalt.
<br />E::0:3:0
<br />------------------------------------ Hand auger to5
<br />1SILTY
<br />SAND (SM), brown (10YR 413), damp, 60% fine sand, 40% ::; OE2;Q feet bgs.
<br />1
<br />0930
<br />fines, micaceous, no odor. "a "'Q::.
<br />:::O:::O
<br />2
<br />%` Back filled with
<br />2
<br />:::O:::O neat cement grout
<br />3
<br />= ' ' -
<br />-------------------------------------`aa0a0
<br />3
<br />SANDY LEAN CLAY (CL), light olive brown (2.5Y 513), damp, 70%
<br />fines, 30% fine to medium sand, mediumlastici
<br />p ty, no odor.
<br />4
<br />4
<br />5
<br />;O
<br />5
<br />24120.
<br />90% fines, 10/e
<br />/ two sand, ' of='-a::'-
<br />CLAY (CL), brown (10YR 513), damp, °
<br />medium plasticity, blocky, micaceous, slight odor. E:<IE3�'Qii:e
<br />6
<br />0.0 1.0
<br />::O:::O
<br />;......,.... a
<br />6
<br />7
<br />:::0:@:O
<br />7
<br />18!18
<br />:•°••::: e••:::a
<br />0.1
<br />9
<br />15118
<br />SANDY LEAN CLAY (CL), brown (10Y 513), moist, 70% fines, 30% °•'a 'r' °
<br />9
<br />18,0
<br />fine sand, medium plasticity, micaceous, blocky, no odor. :fJ
<br />O
<br />10
<br />:::O:::O
<br />10
<br />24124
<br />:y::::°•••••a
<br />:::0:@_O
<br />1
<br />1.1
<br />i••:::a• .:.a
<br />0.0
<br />12—
<br />18118
<br />:•a::�a:::�
<br />12
<br />13
<br />12.4
<br />apa;S
<br />13
<br />_ ---------------------------------------
<br />Q:Q
<br />14
<br />18118
<br />FAT CLAY (CH), brown (10YR 4/3), dry to damp, 90% fines, 10%
<br />14
<br />fine to medium sand, high plasticity, no odor.ES
<br />4.4
<br />15
<br />I8l18
<br />------------------------------------..a;::..a::.
<br />":Os::O
<br />15
<br />CLAYEY SAND (SC), brown (10YR 413), dry to damp, 60% fine to
<br />medium sand, 40% low plasticity fines, micaceous, no odor.
<br />0.0 107
<br />SANDY FAT CLAY (CH) brown (10YR 513), damp, 75% fines,
<br />QOO
<br />25% fine sand, medium to high plasticity, micaceous, molded white,
<br />17
<br />8118
<br />a•^::r•^::e
<br />O::••p::••.
<br />slight odor. .;;Q..;p
<br />17
<br />18
<br />SILTY SAND (SM), dark grayish brown 2.5Y 4/2), damp, 65%fine
<br />18
<br />29.6
<br />sand, trace medium sand, 35% fines, non-plastic, slight odor.
<br />18/18
<br />:O '•:O
<br />19
<br />6.9
<br />: '
<br />,.....,......,
<br />brawn (10YR 413), 55% fine sand, 45% fines, no to low plasticity, '::O? :O —19
<br />micaceous. :b
<br />20
<br />------------------------------------- •°o€€' ai'
<br />20
<br />18118
<br />SANDY LEAN CLAY (CL), dark 5Y 4/1), damp,60% fines, 0€€:
<br />FMS24SBOI-01-NS 1202
<br />8.3
<br />40% fine sand, low plasticity, micaceous, blocky, hydrocarbon-like
<br />210.0
<br />:.:.:.:
<br />odor.
<br />21
<br />22 FMS24SB01-02-NS 1140
<br />ff
<br />-----_
<br />EEQE
<br />22
<br />2870 Gateway Oaks Dr., Ste 150
<br />Sacramento, CA 95833
<br />UM916-679-2000
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