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JOB# ]CLIENT LOCATION <br /> EA ENGINEERING, CHY72Q Chevron,USA Stockton, Ca <br /> SCIENCE,AND DRILLING AND SAMPLING METHODS <br /> TECHNOLOGY, INC_ 8.5 inch hollow stem auger with <br /> a 2.5 inch split spoon sampler. Driller:Kvilhaug state Lic.No. <br /> LOG OF SOIL®ORINiG EA3 482390. <br /> i <br /> Coordnatea: 121 14' 50" west WATERLEYEL45.02 45.60 DRILLING t <br /> 37 58`30"north START ii FINISH I <br /> TIME. 14:30 8:00 TIME TIME <br /> Elevetion top of ca9i ng: 26.03 ft. 8.15 10:30 <br /> DATE :2/10/88 2/11/88 <br /> Ca3in g b ei ow s urfeuc e: 0.12 ft. REFERENCE VATF DATE <br /> T of C T of C 2/10/88 2/10/88 <br /> C: wJ = 1, U SURFACE CONDITIONS unimproved ni I <br /> U= - co a Cl (D T <br /> U1 W d O ¢ i <br /> 3 o Jan Ste ek ` <br /> �U m o o �— cs DESCRIPTION by P <br /> i fill <br /> 1 1 <br /> 1 <br /> Z + + + + silty clay( OL )dark gray to black no odor moist <br /> " OL' <br /> 1 1 1 ,. <br /> 111111 ' <br /> 1 1 1 4 1 <br /> 4 <br /> / / 1 <br /> silt with fine sand and clay,5 y, (ML) brown, dry, . <br /> no odor. OVA=Opprn. <br /> 6 <br /> 8 .. <br /> 9 ML <br /> 10 <br /> _ I1 <br /> same as above (ML) with salty deposits in fractures <br /> 1212 1 1 no odor OVA— 0 ppm, dry, very stiff. <br /> 2 <br /> 3 <br /> 400 004 <br /> 10 15 clayey silt, (MH) brown moist no odor, OVA= 0 ppm <br /> 16 1225 <br /> 1g <br /> 16 <br /> T <br /> 8MH <br /> 9 <br /> 20 <br /> �2z Page 1 of 3 <br />