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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. 8-31VW1 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 3 OF 4 <br /> BY O. Foley DATE 8/29/95 SURFACE ELEV. —15.0 ft. <br /> RECOVERY FID PENETRA- N LITHO- WELLTION �W J GRAPHIC DESCRIPTION DETAIL <br /> a r- COL" <br /> (ft/f0 (ppm) (blws/ft Cc <br /> 1.111.5 23 @40': as above; dark yellowish brown (10YR, <br /> 414); iron-oxide staining over 30% of sample; <br /> 48 manganese-azide staining over 5% of sample; <br /> moist; slight hydrocarbon odor <br /> 1.3/1.5 24 45 @45': as above; brown (10YR, 513); minor <br /> caliche; hard; damp; slight hydrocarhon odor <br /> 38 <br /> SANDY SILT(ML), brown to dark brown (10YR, <br /> 513); 75% low plasticity fines; 25% fine-grained <br /> 1.3/1.5 33 50 sand; iron-oxide staining over 20% of sample; <br /> minor caliche; very stiff; damp to moist; slight to <br /> 19 moderate hydrocarbon odor <br /> SAND(SP), dark brown (10YR, 3/3); 100% <br /> fine-grained sand. dense: moist; slight to <br /> moderate hydrocarbon odor i <br /> 1.4/1.5 270 55 � <br /> 32 <br /> 916/95 <br /> . SAND(SW), dark gray(5Y, 411); 95% line-grained <br /> Q _ sand; 5% medium to coarse-grained sand: dense. <br /> 8/29/45 wet; moderate hydrocarbon odor <br /> REMARKS <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 2-inch diametar dual completion vapor extraction well. <br /> E00NSee Well Details sheet for well completion information. <br /> E ON <br />