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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 8/10195 SURFACE ELEV —15 ft. <br /> RECOVERY PID PENETRA- N LU LITHO- WELL <br /> JGRAPHI DESCRI0k- OLPTION DETAIL <br /> �¢W COLUMN <br /> (ft/ft) (ppm) (b(ws/!.1CID <br /> t73J �j <br /> SILT(NU continued <br /> 34 <br /> 1 011 5 02 45 @44 5' as above, trace medium-grained sand, <br /> manganese-oxide staining over 5% of sample, <br /> 62 hard, slight hydrocarbon odor <br /> I <br /> 1 011 5 2 3 50 @,+9 5"-as above, 100% low plasticity fines, <br /> moist, very slight hydrocarbon odor <br /> 72 r <br /> -8/11/9555- <br /> T <br /> SILTY SAND(SM), dark grayish brown (2 5Y, 4/2), <br /> Q 25°x6 fines, 75% Fine-grained sand, medium dense, <br /> 09/15 — wet, moderate hydrocarbon odor <br /> 8/10195 SILT(NM), light olive brown(2 5Y, 5/3), 100% low <br /> 24 plasticity fines, manganese-oxide staining over <br /> 5% of sample, abundant caliche, moist, very stiff, <br /> 60 slight hydrocarbon odor <br /> REMARKS <br /> Boring dnlled using 8-inch diameter continuous-fhglu,hollow-stem auger dnllmg equipment and sampled with a <br /> modified Cal forma spht-spoon sampler Boring drilled inside existing 12-inch diameter PVC conductor casing Boring <br /> EQAONconverted to a 2-inch diameter aur sparge well see Well Details sheet for well coz str action information <br /> E ON <br />