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SECOR <br /> Internatwnallnco rated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> GREGG CHEVRON 9-8632 SPLIT SPOON <br /> EG 2/13/02 DRILLING TRACY,CA HOLLOW STEM AUGER MW-7 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Dram(m) Elev(ft) Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8 27 79 215 140 30 <br /> testingmethods <br /> Well 3 Description 8 <br /> Construction <br /> Ca � ua <br /> TRAFFIC Grass <br /> • RATED <br /> WELL BOX <br /> d. GROUT <br /> BENTONM <br /> SEAL <br /> SAND <br /> 0 020" 5 No recovery <br /> SLOTTED <br /> SCREEN <br /> 10 5 CLAYEY SILT(ML) dark gray(2 5Y4/2),fine-grained sand,low M1*V7 <br /> 5 plasticity,moist,petroleum odor(0,5,50,45) @ 10' <br /> 9 <br /> 15 4 CLAYEY SANDY SILT(ML) light olive brown(2 5Y5/4),fine-grained MW7 <br /> 8 sand,low plasticity,soft,wet,slight petroleum odor(0,15,50,35) @ 15' <br /> 8 <br /> THREADED <br /> END CAP 2a 8 SANDY CLAYEY SILT(ML) light olive brown(2 5Y5/4),fine-grained MW7 <br /> 20 sand,low plasticity,wet,no odor(0,30,50,20) @20' <br /> 21 <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 ns on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface cond W16 ions or times <br /> Project No 77CH 43578 00 0203 Date REVISED 6/13/02 PR SC <br /> ¢� GABLE Log of Well <br /> Lo <br /> 8632MW7 GPJ No 63 • Figure <br /> LOG OF BOREHOLE <br /> 4 <br /> Exp (sheet 1 of 1) <br /> F©� <br /> 0� <br /> �A�-�� <br />