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1 <br /> JOB I j CLIENT LOCATION <br /> EA ENGINEERING, CHV72Q Chevron,USA Stockton, Ca <br /> SCIENCE.AND DRILLING AND:SAMPLING METHODS <br /> TECHNOLOGY, INC_ <br /> LOG OF SOIL BORING EA4 <br /> Coordnexes: WATERLEYEL! DRILLING <br /> START 19MSH <br /> Elevation top of casing: DAA TINE;!TINE <br /> Casing belowsurface: REFERENCE <br /> DATE <br /> ` w , _ U SURFACE CONDITIONS <br /> J a T � <br /> LU W 0 o DESCRIPTION by <br /> 40 <br /> 7 <br /> } 18 7MLsilt (ML) with some clay brown moist with blue/gray <br /> i S 41 2 mottling and water in fractures,no odor,OVA= Oppm <br /> 3 <br /> 4 <br /> 00 <br /> 45 <br /> 7 <br /> 6 <br /> 18 7 <br /> 16 10 46 <br /> 7 <br /> F � <br /> g MH clayey silt (MH)moist with brown sandy lenses about 1 " <br /> thick no odor,OVA= 0 ppm. <br /> so- <br /> 10 <br /> 0 i0 <br /> 18 12 51 <br /> 22__:- <br /> 2 , <br /> 3 <br /> I 4 <br /> 55 vera stiff silty clay, (CH) gray no odor OVA= 0 ppm. <br /> 56 <br /> 6 CH <br /> 7 a <br /> 8 silty sand (SM) <br /> g SM <br /> 60 <br /> page 3 o(A <br />