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LOG OF EXPLORATORY BORING
<br /> PROJECT NUMBER 4805-114.02 BARING NO B27/AS2
<br /> PROJECT NAME ARCO Products Company Service Station No. 2134 PAGE 4 OF 4
<br /> BY D. Foley DATE 8110/95 SURFACE ELEV •-15 ft.
<br /> RECOVERY PID PENETRA- uJ LITNO-
<br /> WELL
<br /> TION LL
<br /> rk
<br /> > 0. GRAPHIC DESCRIPTION TWE
<br /> r_ COLUMN
<br /> 0=3 W
<br /> (ft/ft) (Rpn1) (btws/ft) CD _ N
<br /> 1 511 5 SILT(ML), continued
<br /> 44 060' as above, brown (10YR,413), 100% low
<br /> plasticity fines, manganese-oxide staining over
<br /> 10% of sample, gray staining over 20% of sample.
<br /> hard, wet, strong hydrocarbon odor
<br /> SAND (SW), light olive brown (2 5Y, 513), 10%
<br /> fines, 90°X0 fine to medium-grained sand, very
<br /> dense, wet, strong hydrocarbon odor
<br /> I 2/15 65 SILT(ML), light olive brown(2 SY 513), 100% low
<br /> plasticity fines, iron-oxide staining over 20% of
<br /> 71 sample, manganese-oxide staining over 5% of
<br /> sample, gray staining over 5% of sample, hard,
<br /> 1 5120 wet, slight hydrocarbon odor
<br /> SANDY SIIT(NIL), olive brown (2 SY, 413), 75°X0
<br /> ' low plasticity fines, 25°X0 fine-grained sand,
<br /> ' 66 iron-oxide staining over 70% of sample,
<br /> -1 1/1 3 manganese-oxide staining over 5% of sample,
<br /> ' 70 v dense, wet, very ery slight'hydrocarbon odor
<br /> 8110 8
<br /> --- CLAYEY SILT(NII.), light olive brown(2 5Y, 5/3),
<br /> d 511 9 100% low plasticity fines, manganese-oxide
<br /> staining over 5% of sample, hard moist, slight
<br /> hydrocarbon odor
<br /> 90/09 SILT(NII,.), brown 10YR, 513), 90% low plasticity
<br /> 1 8/20 fines, 10% fine-grained sand, iron-oxide staining
<br /> over 40% of sample, hard, wet, very slight
<br /> hydrocarbon odor
<br /> 68 75 SANDY SII.T(ML), brown (10YR, 5/3), 70% low
<br /> 1 1/13 plasticity fines, 30% fine-grained sand,
<br /> iron-oxide staining over 35% of sample, very
<br /> 95/08 dense, wet, very slight hydrocarbon odor w
<br /> CLAYEY SILT(NII..), light olive brown(2 5Y, 513),
<br /> 100% low plasticity fines, iron-oxide staining
<br /> over 20% of sample, manganese-oxide staining
<br /> over 5% of sample, hard, wet, very slight
<br /> hydrocarbon odor
<br /> 80
<br /> BORING TERMINATED AT 76.4 FEET
<br /> i
<br /> REMARKS
<br /> . Boring drilled using 8-inch diameter conunuous-flight,hollow-stem auger drilling equipment and sampled with a
<br /> modified California split-spoon sampler Boring drilled inside exhsung 12 inch diameter PVC conductor casing Bonng
<br /> converted to a 2-inch diameter air sparge well See Well Details sheet for well construction imfotmauon
<br /> E ON
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