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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-114.02 BORING NO B26/AS3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 3 OF 4 <br /> BY D. Foley DATE 8/10/95 SURFACE ELEV --15 ft. <br /> RECOVERY PID PENITRA- W LITHO- <br /> TION WELL <br /> Q� CRAPHIC <br /> L E COLUMN DESCRIPTION DETAIL <br /> (ft/ft) (ppm) (btws/f,) J <br /> �a 34 SQ.T(ML), continued <br /> �l <br /> 10/15 0 2 45 @44 5' as above, trace medium-grained sand, <br /> manganese-oxide staining over 5% of sample, <br /> 52 hard, slight hydrocarbon odor <br /> _r <br /> Y <br /> 10/15 2 3 '' <br /> SU @w9 5 'as above, 100% low plasticity fines, <br /> moist, very slight hydrocarbon odor <br /> 72 <br /> �+ /11/9555 <br /> 1 <br /> SILTY SAND(SM),dark grayish brown(2 SY, 412), <br /> Q 25% fines, 75% fine-grained sand, medium dense; <br /> 09/1 5 wet;moderate Hydrocarbon odor <br /> 8110/95 SILT(ML), light olive brown(2 5Y, 513), 100% low � <br /> 24 plasticity fines, manganese-oxide staining over <br /> f 5% of sample, abundant caliche, moist, very stiff, <br /> — 60 IVA slight hydrocarbon odor <br /> REMARKS <br /> Boring drilled using 8-inch diameter continuous-flight,hollow-stem auger dnlhng egwPm rit and sampled with a <br /> modtfod California split-sPooe sampler Boring dnilod inside extstrog 12-inch diameter PVC conduaor casing Boring <br /> E001Nconverted to a 2-inch diameter air sparge well See Well Details sheet for well coastructtoa reformation <br /> E ON <br />