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%J <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B4/MW-2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 4 OF 4 <br /> BY D. Foley DATE 8/29/95 SURFACE ELEV. 15.9 ft. <br /> RECOVERY F.1 D PENETRA- W LITHO- WELL <br /> TION W <br /> 9—M11__J GRAPHIC DESCRIPTION DETAIL <br /> CL <br /> = COLUMN <br /> (ft/ft) (ppm) (hl.ws/ft) Wi cc <br /> en <br /> 1-011.5 0 SANDY SILT(ML), continued <br /> 44 061': as above; brown (10YR, 513); 8010 low <br /> 8/29/95 plasticity fines; 20% fine-grained sand <br /> - <br /> 1,011.5 65 @65'. as above; yellowish brown (10YR, 514); <br /> iron-oxide staining over 30% of sample; <br /> 35 manganese-oxide staining over 5% of sample, <br /> hard; wet, no hydrocarbon odor <br /> 7 <br /> SAND(SW), olive brown (2.5Y. 4/3); 10% fines; <br /> 85% fine-grained sand, 5% medium to <br /> coarse-grained sand; iron-oxide staining over <br /> 30% of sample; dense- wet; no hydrocarbon odor <br /> 1,1/t.5 70 <br /> 54 <br /> 1.011.5@73.5'. as above; olive gray (5Y, 5/2); 100% fine <br /> to medium-grained sand. trace coarse-grained <br /> 19 sand, medium dense; no hydrocarbon odor <br /> 75 <br /> BORING TERNUNATED AT 75.5 FEET <br /> 80 <br /> REMARKS <br /> Boring drilled using 10-inch diameter cantinuaus-flight,hallow-seem 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 /> E:Q00N Well Details sheet for well completion information. <br />