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v <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-11402 BORING NO B29/VW11 <br /> PROJECT NAME ARCO Products Company Service Station No 2130 PAGE 2 OF 4 <br /> BY D Foley DATE 8/11/95 SURFACE ELEV --15 ft. <br /> RECOVERY PIb PENETRA- ,,,,, Uf LITHO- <br /> TiON J W WELL <br /> J GRAPHIC DESCRIPTION DETAIL <br /> �¢� W� ¢ COLUMN <br /> (ft/ft) (ppm) (blws/ft) tJj <br /> 1-0/1 5 00 SII.T(NII-), continued <br /> 34 <br /> SILTY SAND (SM), yellowish brown (10YR, 514), <br /> 20% fines, 80% fine-grained sand, iron-oxide <br /> staining over 4070 of sample, dense, damp, no <br /> hydrocarbon odor <br /> 10/1 5 00 25 <br /> 44 <br /> SILT(ML), brown (10YR, 5l3), 100% low plasticity <br /> fines, iron-oxide staining over 20% of sample, <br /> manganese-oxide staining over 5% of sample, <br /> zals oo <br /> 30 hard, damp, no hydrocarbon odor <br /> 61 <br /> SANDY SILT(ML), dark yellowish brown (IOYR, <br /> 414), 70% low plasticity fines, 30% fine-grained <br /> 1 0/1 5 00 35 sand, iron-oxide staining over 40% of sample, <br /> manganese-oxide staining over 5% of sample, <br /> 32 dense, damp, no hydrocarbon odor <br /> SILT(NII,), brown to dark brown (10YR, 413), <br /> 100% low plasticity fines, iron-oxide staining <br /> over 10% of sample, trace manganese-oxide <br /> staining, abundant caliche, very stiff, damp, no <br /> hydrocarbon odor <br /> 40 <br /> REMARKS <br /> Bonng drilled using 10-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Boring converted to a 4-inch diameter vapor extraction well See Well <br /> E00NISDetails sheet for well construction information <br /> E ON <br />