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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-11402 BORING NO B28/VW12 <br /> PROJECT NAME ARCO Products Company Service Station No 2130 PAGE 3 OF 4 <br /> BY D. Foley DATE 8111195 SURFACE ELEV --15 ft. <br /> RECOVERY PID PENETRA- ♦� T . I,•,1(n LITHO- WELL <br /> VJ <br /> TION W q_CL GRAPHIC DESCRIPTION DETAIL <br /> a¢W COLUMN <br /> (ft/ft) (ppm) (blws/ft) 9-1 <br /> 12/15 0 0 SELT(ML), continued <br /> 19 <br /> 09/1 5 269 45 @45' as above. very stiff, slight hydrocarbon <br /> odor <br /> 30 <br /> a <br /> rye. <br /> 1 0/1 5 13 9 50 @50' as above, manganese-oxide staining over <br /> 5%of sample;hard, slight hydrocarbon odor <br /> 67 <br /> 8/11195 <br /> SANDY SILT(ML), brown(10YR, 513), 65% low <br /> 1 plasticity tines, 35% fine-grained sand, trace <br /> 13/15 42 8 J 55 iron-oxide staining, hard, wet, slight hydrocarbon <br /> odor <br /> 57 � <br /> 8/11195 <br /> SELT(MM), brown(10YR, 513), 90% low plasticity <br /> fines, 10% fine-grained sand, gray staining over <br /> j� 40%of sample, minor iron-oxide lined root <br /> cavities, hard, wet, slight to moderate <br /> 60 hydrocarbon odor <br /> REMARKS <br /> ! Boring drilled using 10-10th diameter continuous-flight,hotlow-stem auger drilling equipment and sampled with a <br /> imodified California spht-spoon sampler Boring converted to a 4-tnch diameter vapor extraction well see Wen <br /> Details sheet for well construction rnformawn <br /> E ON <br /> �r <br />