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JOB CLIENT LOCATION <br /> EA ENGINEERING, CHV720 Chevron,USA Stockton,Ca <br /> SCIENCE,AND DRILLING AND SAMPLING METHODS <br /> TECHNOLOGY,INC. <br /> SOIL BORING EA2 <br /> Coordinates: DRILLING <br /> rREFIERENCE <br /> ER LEVEL START FINISH <br /> Elevation top of casing: TIME TIME T1W <br /> Ceain g 5 el OW a UrfCC e: DATE DATE DATE <br /> SURFACE CONDITIONS <br /> wI-- CL Q o <br /> us <br /> m <n 1dn a o G J DESCRIPTION by <br /> 1$ <br /> 20_10 <br /> 12 22 clayey silt(MH)brown with dark mottling, no odor <br /> 17 21 MH OVA=0 ppm moist very stiff <br /> 2 <br /> 3- <br /> 4 <br /> 25-- <br /> 7 fine sand brown, (SW) dry no odor, OVA= 0 pprn. <br /> 2 7 26 :°s: r white mottling (salt?) <br /> 7 <br /> 8 'S W' <br /> 30 <br /> 10 `' <br /> 1 1 clayey,stiff silt (MH) brown with black mottling, <br /> 1812 15 31 dry,no odor,OVA=Oppm. <br /> 2 <br /> `' 3 MH <br /> 4 <br /> i; <br /> 35— <br /> �is 6 <br /> 1812 25 36 <br /> 7 <br /> 8 <br /> 4 C <br /> • Page 2 of 3 <br />