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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-11402 BORING NO B29/VW12 <br /> . PROJECT NAME ARCO Products Company Service Station No 2130 PAGE 3 OF 4 <br /> BY D. Foley DATE 9/11/95 SURFACE ELEV 15 ft. <br /> RECOVERY PID PENETRA- N LITHO- WELL <br /> TION <br /> IU-11 <br /> W GRAPHIC DESCRIPTION DETAIL <br /> giw E COLUMN <br /> (ft/ft) (ppm) (bEws/ft) � ;U) <br /> l <br /> 2/1-5 00 SII.T(ML), continued <br /> 19 <br /> 0 9/15 269 45 @45' as above, very stiff, slight hydrocarbon <br /> odor <br /> 30 <br /> �r <br /> 50 <br />��s gra <br /> 1 011 5 139 @50' as above, manganese-oxide staining over <br /> 67 �� <br /> Seo of sample;fiird, slight hydrocarbon odor <br />� <br /> $/1I/95 SANDY SILT(AdL), brown (IOYR, 5/3), 65% low <br /> 1 plasticity fines, 35% fine-grained sand, trace <br /> 1 311 5 428 55 iron-oxide staining, hard, wet, slight hydrocarbon <br /> odor <br /> 57 Q <br /> 8/11195 <br /> SILT(ML), brown (IOYR, 5/3), 90% low plasticity <br /> Pores, 10% rinse-grained sand, gray staining over <br /> 40% of sample, minor iron-oxide lined root <br /> cavities, hard, wet, slight to moderate <br /> 60 hydrocarbon odor <br /> REMARKS <br /> Bonng drilled using 10-inch diittYter continuous-slight,hollow-stem auger drilling equipment and sampled with a <br /> modified Cahfornia split-spoon sampler Boring converted to a 4-tnch diameter vapor extraction well See Well <br /> EOONdetails sheet for well constsucuon information <br /> E ON <br />