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BORING LOGca <br /> E - <br /> • Project ARCO Mini Mart r <br /> Project Number CV 42E1-1 8 Drilling Co Soils Exploration Service Date 1/22/93 <br /> Field Geologist Cherven Auger type 80 Hollow-stem Boring B6 <br /> DEPTH SAMPLE Ov BLOW GROUP SOIL DESCRIPTION <br /> (FEET) IDEN=TCA'nON READING CN'IS SYMBL. <br /> (PPM) <br /> Asphalt, 4• <br /> CL Medium yellow-brown clay to 10 feet <br /> no odor <br /> 4 Damp, soft, loose, yellow-brown silt, abundant root holes <br /> 1 0 66-10 0 5 ML no odor <br /> 10 <br /> 9 As above, slightly sandier <br /> 66-15 0 11 ML no odor <br /> 15 <br /> 4 As above <br /> 20 86-20 0 9 ML possible diesel odor <br /> 11 <br /> 5 Slightly damp, loose,yellow, fine-to very4ine-grained, <br /> B6-25 42 8 SP micaceous lithic sand <br /> 8 moderate diesel odor <br /> 6 Slightly damp, loose, gray, moderately well-sorted, medium- <br /> 30 136-30 85 8 SP to coarse-grained Inhic sand, abundant slate and other <br /> 10 metamorphic grains <br /> moderate odor <br /> 7 Moist to wet, gravelly, very-coarse-grained lithic sand, gray, <br /> 136-35 30 14 SP with slight greenish tinge, probably due to abundant green <br /> 20 chert and quartzde grains <br /> slight diesel odor <br />• 6 Dry to slightly damp, compact, grayish-brown, <br /> 40 136-40 0 8 ML caliche-mottled silt <br /> 12 no odor <br />