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BORING LOG <br /> . Protect No Boring Diameter 875" Logged By <br /> KEI-P88-1013 P4 Casing Diameter 2" T S G /63 3 <br /> Protect Name Unocal S/S#5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue,Stockton N/A 11/20/95 <br /> I <br /> Boring No Drilling Hollow-stem Drilling Company <br /> MW 16 Method Auger Woodward Drilling <br /> Pene- G W O V M Depth Stratigraphy <br /> tration le,, (PPM) (feet) USC$ Description <br /> blows/6" Samples <br /> ML —_= Clayey silt,estimated at 30%clay,5-10% fine to coarse-grained sand, <br /> 8/10115 25 —_____ very stiff,moist,dark yellowish brown and light brownish gray, <br /> ——_— mottled, with caliche <br /> • <br /> 30 SP Poorly graded sand, sand is very fine to fine-grained,trace silt, medium <br /> 8/9/13 dense, moist,dark yellowish brown <br /> -- ---------------w..._. ._..._._----- <br /> s`s <br /> r , 1 <br /> i <br /> r <br /> r i <br /> ;'; Poorly graded sand with silt, estimated at 5-15%silt, sand is very fine <br /> 6110114 35 SP- .: to fine-grained, medium dense,moist, olive brown, some iron oxide <br /> SM • F <br /> staining <br /> :3 <br /> ----------------------- <br /> i•i <br /> SP Poorly graded sand,predominantly medium-grained, medium dense, <br /> moist,dark gray,salt and pepper appearance <br /> 618110 40 Clay, trace medium to coarse-grained sand, very stiff,moist, olive <br /> brown <br /> CL <br /> Page 2 of 3 <br />