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S ECOR <br /> ' Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: well Number: <br /> • CHEVRON 1001621 HSA <br /> C.M. 12/1/04 CASCADE BANTA,CA CME MW-69UA <br /> Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> Diam.(in.): Elev.(ft.): SZ 8 First Water Depth(ft.): wt.(lbs.): Dist.(in.): <br /> 8 14.0 140 30 <br /> w <br /> Well ° z <br /> ,;E 3 Description a <br /> ConstructionTraffir.Rated, <br /> �, ^: ° <br /> ' Ca <br /> Well ox AIR Concrete Slab <br /> Concrete KNIFE Sandy Silt(ML):dark greenish gray(5GY 3/1),stiff,low plasticity, <br /> TO 9' fine grained sand,wet, strong hydrocarbon odor, SPH sheen,(0-35-65). <br /> Bentonite <br /> Seal <br /> 2" Sch 40 5 <br /> PVC Casing <br /> 218 X IW69U <br /> #3 Sand 7 <br /> Filter Pack <br /> 10 <br /> 13 Silt with Sand(ML):light yellow brown(2.5Y 6/4),stiff,medium 62 <br /> 21 plasticity,fine grained sand,moist,faint hydrocarbon odor,(0-25-75). 4 W69U <br /> 0.020"Slot 27 @10.5' <br /> Screen <br /> 27 <br /> 34 <br /> End Cap 39 Fat Clay(CH): light olive brown(2.5Y 5/4),very stiff,high 8 NlW69Uk <br /> lastici fine grained sand dam 0-10-90 . @13.5 <br /> POP 15- <br /> 20— <br /> The <br /> 520The 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. 77CH.11621.28.0250 Date 12/17/2004 MB Log of Well <br /> 1621M65B.GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 1) <br />