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SECOR <br /> Internatwnallnco rated <br /> =G. <br /> Date Dulled Drilling Contractor Project Name Method/Equipment Boring Number <br /> • GREGG CHEVRON 9-6171 Hollow Stem Auger <br /> 3/20/01 DRILLING STOCKTON,CA Cal Mod.Split Spoon Mw-12 <br /> See"Legend to Logs'for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method Diam(in) Elev(ft) V 35 First Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8„ 40 0 140 30 <br /> testingmethods <br /> Well Q �2 <br /> C <br /> 3 Descnption <br /> Construction °' o <br /> Q C m <br /> TRAFFIC CONCRETE,FILL MATERIAL <br /> RELATED <br /> WELL BOX <br /> A d <br /> • • GROUT CLAYEY SAND (SC) dark brown,(7 5 YR 3/3)fine-grained sand, <br /> medium dense,low plasticity fines,slightly moist,no odor(0,$0,5,15) <br /> • • 4"BLANK S 4 0 <br /> CASING 11 <br /> A 13 <br /> v o <br /> a a 10 : SAND(SW) brown, (7 5 YR 414) medium-to fine-grained sand,medium 0 <br /> t t <br /> _x 6 <br /> 7 dense,moist,no odor <br /> 11 (0,95,5,0) <br /> A A <br /> . . <br /> ° 15 4 CLAYEY SAND (SC) brown,(7 5 YR 412)fine-grained sand,loose,low 0 <br /> 6 plasticity fines,slightly moist,no odor(0,55,10,35) <br /> BENTONM x g <br /> SEAL <br /> 4" 20 7 CLAYEY SAND (SC) brown,(7 5 YR 4/3)fine-grained sand,medium 0 <br /> SLOTTED 12 dense,slightly moist,no odor(0,70,5,25) <br /> SCREEN x 14 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during dnllmg 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 indicatedon this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface condi E&L ns or times <br /> �y ko01 <br /> Project No 077 43512 251 Date REVISED 10/26/01 PR GABLE * Log of Boring <br /> 9617 t W 12 GP7 No 636 4 Approved by <br /> LOG OF BOREHOLE TA Exp <br /> Figure (sheet 1 of 2) <br /> �`OF C��`FO <br />