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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 1 OF 2 <br /> BY D. Foley DATE 5/12/95 SURFACE ELEV —11 ft. <br />' RECOVERY PID PENETRA- <br /> TION N c!1 LITHO- WELL <br /> WJ GRAPHIC DESCRIPTION DETAIL <br /> LL IA � COLUMN <br />' (ft/ft) (ppm) (blws/ft) J N <br /> ASPHALT <br /> PILI BASEROCK } <br /> 0 510 5 00 7 SANDY SILT(NII.), dark brown (10YR, 313), 80% <br /> low plasticity fines, 20% fine-grained sand, trace <br /> medium-grained sand, abundant localized <br /> manganese-oxide staining, damp, no hydrocarbon <br /> 05/05 0 0 odor <br /> SILT(NII.), dark brown(7 5YR, 3/2), 90% low <br /> plasticity fines, 10% fine-grained sand, damp, no <br /> 05/05 0 0 5 7 carb r <br /> lowish <br /> @-5' <br /> —5' brown (10YR, 514), damp, no <br />' hydrocarbon odor <br /> 0 510 5 00 @--8' as above <br />' 10 <br /> 0 510 5 115 12' light olive brown (2 5Y, 513), 100% low <br />' plasticity fines, trace fine-grained sand, damp, <br /> slight hydrocarbon odor <br /> SANDY SII.T(NII,), yellowish brown(10YR, 5/6), <br />' 80% low plasticity fines, 20% fine-grained sand, <br /> 1 011 5 214 15 very dense, damp; slight hydrocarbon odor <br /> 48 <br />' 1 2/1 4 261 @18' gray brown (10YR, 512), very dense, <br /> damp, slight hydrocarbon odor <br />' <br /> 71109 <br /> 20 <br /> REMARKS <br /> The 45-degree angle boring was drilled using contunuous-flight,hollow-stem auger drilling equipment and sampled <br /> with a modified California spht-spoon sampler The boring was logged by vertical Feet The boring was backfilled from <br /> bottom with bentonite cement grout <br />' E ON <br />