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S fEC0R <br /> Logged By Date Dnlied Drilling Contractor Project Name Method/Equipment Bonng Number <br /> Time Oil-Lockford Hollow Stem Auger <br /> B W 1111104 Gregg Drilling Lockford,CA CA Split Spoon Sampler <br /> B-�2 <br /> Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> Diam(in) Elev(ft} Depth(ft) wt(lbs) Dist(in) <br /> 6 405 140 30 <br /> o Ca <br /> Well <br /> a Descnption a a <br /> Construction as <br /> A <br /> rn <br /> 50 Poorly-Graded Sand with Silt(SP-SM) Gray(10YR 611),damp,very @ 25' <br /> 50-2" dense,weakly cemented, slight hydrocarbon odor(0, 80,20) <br /> 21 -- -- -- — — --- -- ———— --- 1475 SB-12 <br /> 30 23 Silty Sand(SM) Gray(10YR 511) damp,medium dense,weakly <br /> 27 cemented,iron staining,strong hydrocarbon odor(0, 70,30) @ 30' <br /> r 11 ---------- 43 SB-12 <br /> 35 13 Well-Graded Sand(SW) Gray(10YR 6/1),damp,medium dense, <br /> 25 weakly cemented,slight hydrocarbon odor(0,95,5) @ 35 <br /> lie - <br /> 13 As Above color change to dark grayish brown (]OYR 412),dry, 5 7 SB-12 <br /> 40 30 (0,95,5) @ 40' <br /> Total depth of boring 40 5' bgs <br /> 45 <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 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 770T41737 00 0004 Date 1111105 BW Log of Boring <br /> LOCKFORD SB-12-SB-14 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />