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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-5/MW-3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE 9/6/95 SURFACE ELEV. 14.9 ft. <br /> ' RECOVERY PID PENETRA- to LITHO- <br /> TION 2�Jk LU WELL <br /> Z) J GRAPHIC DESCRIPTION DETAIL <br /> �¢W Wy <br /> z: COLUMN <br /> ' (ft/ft) (ppm) (blws/ft) ( J �-�j <br /> 1.011.5 0.0 @20': as above; brown (10YR, 5/3); iron-oxide <br /> staining over 55% of sample; manganese-oxide <br /> 36 staining over 5% of sample; dry to damp; no <br /> hydrocarbon odor <br /> ' SILTY SAND (SM), dark yellowish brown 10YR <br /> 414); 40% low plasticity tines; 60% Cine-grained <br /> sand; medium dense; damp to moist; no <br /> 1.2/1.5 0.0 25 hydrocarbon odor <br /> a 26 <br /> 1.011.5 0.0 30 <br /> SAND (SW), brown to dark brown (10YR, 4/3); 90% <br /> ' 20fine-grained sand; 10% medium to coarse-grained <br /> sand; trace fine to coarse-grained gravel; medium <br /> dense; damp; no hydrocarbon odor <br /> SILT(ML), dark yellowish brown ( 0YR, 414); 90% <br /> 1.21!.5 0.0 35 low plasticity tines; 10% fine-grained sand; <br /> iron-oxide staining over 30% of sample; very <br />' 28 stiff; moist; no hydrocarbon odor <br /> 40 <br /> REMARKS <br /> Boring drilled using Id-inch diameter continuous-flight, hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler. Boring convened to a 4-inch diameter groundwater monitoring well.See <br /> Well Details sheet for well completion information. <br /> EN oN <br />