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S E C 0 R <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equiprrient Bonng Number <br /> Time Oil-Lockford Hollow Stem Auger <br /> B W 1112104 Gregg Drilling Lockford,CA CA Split Spoon Sampler SB-14 <br /> Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> Diam(in} Elev(ft} SZ 77 5'First Water Depth(ft) rut(lbs) Dist(in) <br /> 6 805 140 30 <br /> ^ > o <br /> > z <br /> Well �? <br /> Q� ir Descnption <br /> Construction o <br /> A <br /> cn <br /> Asphalt <br /> Neat cement <br /> backfill <br /> -/ 2 9 SB-14 <br /> 5 g Sandy Lean Clay(CL) Dark brown(1 OYR 3/3),fine grained sand, @ <br /> 13 firm,damp,low plasticity,no odor(0,40,60)(%gravel,%sand,% 5 <br /> fines) <br /> 12 2 9 SB-14 <br /> 10 20 Lean Clay(CL) Grayish brown(IOYR 512),trace fine grained sand, <br /> 38 damp,stiff to hard,low plasticity,no odor(0, 10,90) @ 10' <br /> 10 _____________________ _ ___ 29 SB-14 <br /> 15 14 Poorly-Graded Sand with Clay(SP-SC) Brown(10YR 513),fine <br /> r 19 grained sand, damp,medium dense,no odor(0, 90, 10) <br /> --------------------------------- <br /> 13 - Well-Graded Sand(SW) Yellowish brown(IOYR 5/4),fine to 09 SB-14 <br /> r 20 18 medium grained,subangular to subrounded,damp,medium dense, <br /> 25 weakly cemented,no odor,(0,95, 5) @ 24 <br /> 10 09 SB-14 <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 matenals and the change from <br /> one predominant material type to another could be different than indicated Descnptions 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 1111/05 BW Log of Boring <br /> LOCKFORD SB-12-SB-14 GPJ Approved by <br /> LOG OF BOREHOLE Figure (sheet t of 4) <br />