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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-1/MW-1 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 1 OF 4 <br /> BY D. Foley DATE 8/29/95 SURFACE ELEV. 15.0 ft. <br /> ' RECOVERY FID PENETRA- C3 U) LITHO- WELL <br /> TION �wW GRAPHIC DESCRIPTION DETAIL <br /> a¢LdL�t� E COLUMN <br /> ' (ft/ft) (ppm) (bless/ft) ;3J ` j N <br /> ASPHALT <br /> 1 17 <br /> FILL, BASEROCK <br /> SILT(ML), brown (10YR, 513); 100% Iow plasticity <br /> tines; dry; no hydrocarbon odor <br /> 1.011.5 0 5 @5': as above; ellowish brown (10YR 5/4); <br /> Y <br /> manganese-oxide staining over 5% of sample; <br /> 52 # minor caliche; hard; damp; no hydrocarbon odor , <br /> 1.011.5 0 10 @ 10': as above; very stiff; no hydrocarbon odor <br />' 28 <br />' 1.411.5 0 15 @15': as above; brown (10YR, 513); iron-oxide <br /> staining over 40% of sample, manganese-oxide <br />' 36 staining over 5% of sample: hard: damp; no <br /> hydrocarbon odor <br />' CLAYEY SILT(W), grayish brown (2.5Y, 512); <br /> 100% low plasticity fines; iron-oxide staining <br /> over 5% of sample; very stiff; damp to moist; no <br /> 20 hydrocarbon odor <br /> REMARKS <br /> Boring drilled using I0-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler. Boring converted to a 4-inch diameter groundwater monitoring well. See <br /> Well Details sheet for well completion information. <br /> E ON <br />