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Project No.:70-03579.00 BORING NO. <br /> �1 GaAon' Client: Shell <br /> BB-40 <br /> Location: Mountain House, Neighborhood B <br /> G R O UP S E RV I c FS Logged By: P. McLaughlin <br /> Start Date: 5/13/2005 Start Time: 0855 Elevation:N/A <br /> LOG OF Finish Date:5/13/2005 Finish Time: 1000 Boring Dia.:2.5" <br /> SOIL BORING Driller: EnProb Drill Method:Direct Push <br /> Hammer Weight: N/A Drop: N/A <br /> Borehole Completion Data: Fully hydrated bentonite to 3'below grade,native soil to surface <br /> wQ w o - DESCRIPTION <br /> _J> > J Q = 2 <br /> a� 0-0a W w a <br /> Q~ aw Q o n w X00 <br /> U) n� a H o CEJ D <br /> 0855 CLAYEY SILT <br /> dark brown,stiff,dry <br /> 1 <br /> 2 <br /> ML <br /> SANDY SILT <br /> 3 brown,20%fine sand,black pipe wrapping fragments at 2-3/4',medium stiff,damp <br /> 47 0900 <br /> 4 <br /> SAND <br /> 5 grayish green,fine-grained,strong hydrocarbon odor from 5'to 7',loose,damp <br /> 6 <br /> 36 6.5 0905 becomes mottled black stained,separate phase hydrocarbons at 4' <br /> 7 strong hydrocarbon odor from 7'to 10' <br /> gray with black mottling <br /> 8 <br /> 9 becomes black at 9' <br /> 30 9.5 0910 <br /> 10 SP strong hydrocarbon odor from 10'to 13' <br /> becomes grayish brown <br /> 11 <br /> 12 becomes olive brown to brown <br /> 34 12.5 0915 <br /> 13 strong hydrocarbon odor to 14' <br /> 14 becomes light yellow brown at 14',no hydrocarbon odor <br /> 15 <br /> SAND <br /> light yellow brown,fine-grained,loose,moist, no hydrocarbon odor <br /> 36 15.5 0920 <br /> 16 SAND <br /> tan,fine to coarse,some fine gravel up to 1/4"dia.,loose,damp <br /> 17 SW <br /> 1 g <br /> SAND <br /> light brown,fine-grained,loose,moist, no hydrocarbon odor <br /> 33 18.5 0925 SP <br /> 19 <br /> Page 1 of 2 <br />