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I <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO B-4/MW-2 <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 9 ft. <br /> RECOVERY FID PENETRA- cA LITHO- WELL <br /> TION �w _J GRAPHIC DESCRIPTION DETAIL <br /> ¢� t4COLUMN <br /> (ft/ft) (ppm) (btws/ft) 1L <br /> ASPHALT <br /> FILL, BASEROCK <br /> SILT(ML), very dark grayish brown (10YR, 3/2), <br /> t00% low plasticity fines, dry to damp, no <br /> livdrocarbon odor <br /> 10/1 5 0 5 @5 as above, brown (10YR, 513) iron-oxide <br /> staining over 25% of sample, abundant caliche, <br /> 40 hard, damp, no hvdroc ubon odor <br /> 1 2/1 5 0 10 @10' dark yellowish brown (10YR 4/4) no <br /> hydrocarbon odor <br /> 37 <br /> 1 4/1 5 0 15 @ 15' as above, trace manganese-oxide staining, <br /> trace caliche, minor root cavities, very stiff no <br /> 24 hydrocarbon odor <br /> _ CLAYEY SQ.T(ML) hebt olive broNyn (2 5Y 513) i <br />' 100%Q low plasticity fines, iron-oxide staining <br /> over 5% of sample, very stiff, damp, no <br /> hydrocarbon odor <br /> tzl✓�t��x�s 20 <br /> Boring drilled using 10 inch diameter continuous flight hollow-stem auger drilling equipment and sampled with a <br /> modified California split spoon sampler Boring converted to a 4-tach diameter groundwater monitoring well See <br /> Well Details sheet for well completion informauon <br /> E oN <br />