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BORING LOG _ <br /> =_v Geological Audit Services. Ic <br /> Project ARCO Mini Mart <br />' Project Number CV 42E1-1 8 Drilling Co Sods Exploration Service Date 10/20/92 <br />' Field Geologist Cherven Auger type 8' Hollow-stent Boring B4 <br /> DEPTH SAMPLE Qv }SLOW GROUP SOIL DESCRIPTION <br /> (FEET) IDENTIFICATION READING CLAPS 5YMBL <br /> (PPM) <br /> Dry, loose, reddish brown silt <br /> 1 <br />' 6 Slightly damp yellow-brown silt, minor root holes and <br /> 10 B4-10 0 10 ML caliche <br /> 24 no odor <br /> 4 Damp, moderately loose, mottled orange and gray, very <br /> B4-15 10 8 SP fine-grained sand <br /> 10 very slight odor <br /> 9 Damp, loose, well-sorted yellow, fine-grained, <br /> 20 B4-20 81 9 SP quartzo-feldspathic sand <br /> 4 moderate odor <br /> 7 Damp, loose, moderately well-sorted fine-to <br /> B4-25 904 7 SP medium-grained sand <br /> 8 strong hydrocarbon odor <br /> Loose, coarse-grained orange sand in upper tube <br /> 6 strong hydrocarbon odor <br /> 30 B4-30 94 7 SW Gray, well-sorted silt in middle tube, slight odor <br /> 12 Medium-grained, well-sorted sand in lower tube <br /> moderate'old hydrocarbon' odor <br /> 5 Saturated, poorly-sorted gravelly sand <br /> B4-35 29 8 GW moderate odor <br /> 12 <br /> 4 0 no sample Bottom of boring <br /> I <br />