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S ECOR <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Boring Number <br /> Time Oil-Lockford Hollow Stem Auger <br /> B W 11/l/04 Gregg Drilling Lockford,CA CA Split Spoon Sampler �B-13 <br /> Drop rop <br /> Boring Surface Groundwater Depth(ft} Total Dnve <br /> Diam(in} Elev(ft) Depth(ft} wt(lbs) Dist(in) <br /> 6 405 140 30 <br /> o <br /> Well v v p w <br /> r a 3 Description � a <br /> Construction v <br /> ❑ a m <br /> M <br /> MA—Ast)halt <br /> Neat cement <br /> backfill <br /> 5 57 SB-13 <br /> 5 8 Poorly-Graded Sand(SP) Brown(IOYR 5/4),fine grained, dry, <br /> 7 loose,weakly cemented,no odor,homogenous(0,95, 5)(%gravel,% @ 5' <br /> sand,%fines) <br /> 5 ______________________--------_ 3 8 SB-13 <br /> 107 Poorly-Graded Sand with Silt(SP-SM) Dark yellowish brown <br /> 15 (1OYR 416),fine grained,dry,medium dense,weak to moderately @ 10' <br /> cemented,no odor(0, 85, 15) <br /> i <br /> 32 3 8 SB-13 <br /> 15 40 As Above Color change to dark yellowish brown(10YR 4/4),dense <br /> 50-6" to very dense @ 15' <br /> 12 -- ————————— -- — --- ----- 19 SB-13 <br /> 20 18 Well-Graded Sand(SW) Brown(10YR 4/3),fine to medium <br /> 21 grained,dry,medium dense, weakly cemented,no odor,homogeneous @ 20' <br /> (0,95, 5) <br /> 9 3 8 SB-13 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during dnlhng 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 this 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 times <br /> . Project No 770T 41737 00 0004 Date 1/11105 BW Log of Bonng <br /> LOCKFORD SB-12-SB-14 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet l of 2) <br />