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LOG OF EXPLORATORY BORING
<br /> PROJECT NUMBER 0805-114.02 BORING NO B26JAS3
<br /> PROJECT NAME ARCO Products Company Service Station No.2130 PAGE 4 OF 4
<br /> BY D. Foley DATE 8110195 SURFACE ELEV --15 ft.
<br /> RECOVERY PCD PENETRA- LITHO_ WELL
<br /> TION �� J GRAPHIC DESCRIPTION DETAIL
<br /> mcr ¢ COLurN
<br /> (ft/ft) (ppm) (btws/ft) to
<br /> 1 011 5 i SILT(NII..), continued
<br /> 30
<br /> SILTY SAND(SNO, light olive brown(2 5Y, 513),
<br /> 30% fines, 70% fine to medium-grained sand,
<br /> dense, wet, slight h.drocarbon odor
<br /> CLAYEY SILT(NQ.). Eight olive brown(2 5Y, 513),
<br /> 100% low plasticity fines. Crane Iron-oxide
<br /> staining, trace manganese-oxide staining, minor
<br /> 65 caliche, hard, moist_ I-en slight hydrocarbon odor
<br /> SH.TY SAND(SM, brown to dark brown(10YR,
<br /> 48 413),40% low plasticitti tines,60% fine to
<br /> medium-grained sand.%ery dense, wet, very
<br /> 1 511 9 slight hydrocarbon odor
<br /> SAND(SP), brown to dark brown(10YR.413), 10%
<br /> fines, 90% fine-grained spd, iron-oxide staining
<br /> 89/09 over 40% of sample % f vdense; wet, very slight
<br /> 1 511 8 hydrocarbon odor
<br /> S1LT(NIL..),brown(l OYR. rjJ), 90% low plasticity
<br /> 70 fines, 10% fine-grained sand, iron-oxide staining
<br /> '�-
<br /> 90/08 over 20%of sample hard.. wet, very slight
<br /> 16/20 hydrocarbon odor
<br /> CLAYEY SILT(ML), broa-n(10YR, 513), 100% low
<br /> plasticity fines, trace fine to medium-grained
<br /> 48 sand, hard,motst, no h,.dsocarbon odor
<br /> 1 511 9 SILT(ML), brown to dark brown(10YR, 413);
<br /> 100% low plasticity fines; iron-oxide staining
<br /> 69/09 over 30%of sample.bard; wet, very slight
<br /> 1 611 9 75 hydrocarbon odor
<br /> @73' 0 4' thick layer of SANDY SILT(ML)
<br /> SAND(SP), dark grayish brown(10YR,412), 100%
<br /> 90/09 fine to medium-grained sand, iron-oxide staining
<br /> 1 011 5 over 5% of sample, %ery dense, wet, slight
<br /> hydrocarbon odors
<br /> 89 CLAYEY SLLT(ML), grafi-Lsh brown (2.5Y, 512), ' }
<br /> 100% low plasticity fines_ trace iron-oxide
<br /> staining; hard, wet; very slight hydrocarbon odor
<br /> 80 BORING TER GNAM AT 78.5 FEET
<br /> REMARKS
<br /> Bong dnHed using&-inch diameter contentious-flight,hollow-sum auger drift as equipment and sampled with a
<br /> modified Caltforma Vht-spoon sampler Boring dnlled inside existing 12-tncii diameser PVC conductor cuing Boring
<br /> converted to a 2-rads diameter air sparge well See Well Details sheet for well consatutton uiformatma
<br /> E ON
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