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BORING LOG _ <br /> -�_�— Geological Audit Services <br /> • <br /> Inc- <br /> Project ARCO Mini Mart <br /> Project Number CV 421x1-1 8 Drilling Co Soils Exploration Service Date 1/21/93 <br /> Field Geologist Cherven Auger type 8" Hollow-stem Boring 135 <br /> DEPTH SAMPLE OV BLOW GROUP SOIL DESCRIPTION <br /> (FEET) IDENTirICATION READING CNTS SYMBL. <br /> (PPM) <br /> 5 Paleosol, mottled blue-gray and light reddish-brown clayey <br /> 85-45 0 11 CL silt, abundant filled dessiction cracks, slightly calcified, no <br /> 14 odor <br /> 6 Slightly damp, light brown to light reddish-brown,slightly <br /> 50 65-50 0 10 ML micaceous sandy sift, minor caliche and root holes, <br /> 13 no odor <br /> 6 Light reddish-brown silt, damp, occasional root holes <br /> 65-55 15 8 ML no odor <br /> 9 <br /> CL Slightly sticky brown silty clay, damp <br /> - 9 Light gray-brown friable silt, dry, mirror caliche and <br /> 60 85-60 0 16 ML manganese staining <br /> 24 no odor <br /> 15 Damp to slightly moist, slightly weathered light <br /> 85-65 16 20 ML reddish-brown slightly sandy silt <br /> 24 no odor <br /> 18 Saturated, dark yellow-brown very4ine to medium-grained <br /> 70 65-70 0 19 Sw sand <br /> 17 no odor <br /> Bottom of hole 78 feet <br />