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SECOR
<br /> Inttrnatwnal Inco rated
<br /> I B -y Date Dulled Drilling Contractor Project Name Metho&Egwpment Well Numer
<br /> b
<br /> WEST ARCO#4932 SPLIT SPOON
<br /> 3/14/02 - - -HAZMAT- - STOCKTON,CA--- - -HOLLOW STEM AUGER- -DMW=1-
<br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop
<br /> sampling method, Dram{m) Elev(ft} 30 5 FIRST Depth(ft) wt(lbs) Dist(in)
<br /> classifications and laboratory 8 1198 TOC T 29 STABILIZED 810 140 30
<br /> tes n methods
<br /> Well o Description
<br /> Construction
<br /> m a.
<br /> 8 SILTY SAND(SM) olive brown(2 5Y4/3),five-grained sand, 4 DMWI
<br /> 10 medium dense,wet,faint chemical odor(0,70,30,0) @50'
<br /> 14
<br /> GROUT 12 4
<br /> v 14 SANDY SILT(ML) olive brown(2 5Y4/3},fine-grained sand,low
<br /> 17 plasticity,very stiff to hard,moist(0,40,60,0)
<br /> b e 50/6" SILTY SAND(SM) olive brown(2 5Y4/3),fine-grained sand,
<br /> 55 edium dense wet,faint chemical odor 0 70 30 0
<br /> SANDY SILT(ML) dark yellowish brown(10YR4/4),with clay,
<br /> b P fine-grained sand,very stiff to hard,partially cemented in zones
<br /> (0,30,70,0)
<br /> 28 0
<br /> 5016"
<br /> O b
<br /> 4 b 60 14 0
<br /> 15 Same as above
<br /> 21
<br /> b O
<br /> 14 0
<br /> 17
<br /> 19 SILTY SAND(SM) dark yellowish brown(10YR4/4),fine-grained
<br /> sand,very dense,wet,partially cemented in zones(0,65,35,0) _
<br /> b ti
<br /> 65—M50/6" 2
<br /> F
<br /> a a
<br /> t { 10 0
<br /> b b 13 SANDY SELT(NII.) light ohve brown(2 5Y5/3),with clay,
<br /> 15 fire-grained sand,moderate plasticity,very stiff to hard,moist
<br /> (0,30,60,10)
<br /> 70 23 DMW1
<br /> BENTO NYC' @69 5
<br /> SEAL
<br /> 21 0
<br /> SAND 35 SILTY SAND(SM) brown(10YR4/3),fine-grained sand,very
<br /> dense,wet,cemented in zones(0,65,35,0)
<br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or
<br /> samples obtained during drilling Predominant material types shown on the log may contain different materials and the change from
<br /> one predominant material type to another could be different than indicated Descriptions on thus log apply only at the specific location
<br /> at the time of drilling and may not be representative of subsurface conditions at other locations or tunes
<br /> Protect No 77BP 43287 00 0040 Date 5/29/02 PR Log of Well
<br /> 4932DMW 1 GPJ Approved by
<br /> LOG OF BOREHOLE
<br /> Figure (sheet 3 of 4)
<br />
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