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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-146.04 BORING NO B-13 <br /> PROJECT NAME ARCO Products Company; ARCO Station No. 2168 PAGE 2 OF 2a <br /> BY D. Foley DATE 5/12/95 SURFACE ELEV —11 ft. <br />' RECOVERY PID PENETRA- of LITHO- WELL <br /> TION W L J GRAPHICDESCRIPTION DETAIL <br /> ¢W Lair r: COLUMN <br />' (ft/ft) (Ppm) (btws/ft) � j <br /> SANDY SILT(ML), continued <br /> 1 311 5 347 @21' olive brown(2 SY, 414), 70% low plasticity <br /> �I <br /> fines, 30% very fine to fine-grained sand, very <br /> 72 dense, damp. slight hydrocarbon odor <br />' <br /> 14/15 45 1 @24 5' mottled light olive brown(2 5Y, 5/4) and <br /> 25 gray (10YR, 511), 80% low plasticity fines, 20% <br /> 53 fine-grained sand, caliche over 30% of sample, <br />' Lron-oxide staining over 2% of sample, <br /> manganese-oxide staining over 2% of sample, <br /> very dense, damp, slight to moderate hydrocarbon <br /> odor <br /> BRING TERMINATED AT 26.0 FEET <br />' 30 <br /> 35 <br /> 1 <br /> RE ARM <br />( The 45-degree angle boring was drilled using continuous-flight,hollow-stem auger dnlhng equipment and sampled <br /> with a modified California split-spoon sampler The boring was logged by vertical feet The boring was bacld'illed from <br /> bottom with bentonite cement grout <br /> E ON <br />