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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-14701 BORING NO B-1/MW-1 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE Sr.3/95 SURFACE ELEV 15.0 ft <br /> RECOVERY FID PENETRA- (n W LITHO- WELL <br /> TION w C _j GRAPHIC DESCRIPTION DETAIL <br /> _:> tai] a. COLUMN <br /> (ft/ft) (ppm) Mws/ft) I Ito, <br /> j <br /> 1 511 5 0 CLAYEY SJ LT (ML) continued <br /> 25 <br /> SANDY SILT(ML) dark gravlsh brown (2 5Y, 4/2), <br /> 70% low plasticity tines, 30% fine-grained sand, <br /> iron-oxide stainmg over 30% of sample, minor <br /> caliche, very sutf moist slight hydrocarbon odor <br /> 14115 05 25 <br /> 30 SILTY SAND (SM), dark grayish brown (2 5Y, 4/2) <br /> 30% fines, 70% fine-grained sand, medium dense <br /> to dense, moist, slight hydrocarbon odor <br /> . SAND (SP), olive brown (2 5Y, 4/3), 100% <br /> fine-grained sand, medium dense, moist, slight <br /> 1 4/1 5 1 0 30 hydrocarbon odor <br /> 79 <br /> SILT(Md.), olive brown (2 5Y, 4/3), 100% low <br />' 1 311 5 I 0 35 plasticity tines, Iron-oxide staining over 20% of <br /> sample, manor caliche stiff to very stiff, moist, <br /> 16 }light hydrocarbon odor <br />' 40 <br /> kt=VkAxt� <br /> Boring drilled using LO-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 momtonng well See <br />' Well Details sheet for well completion information <br /> EN 0N <br />