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LOG OF EXPLORATORY BORING
<br /> PROJECT NUMBER 0805-114.02 BORING NO B27/AS2
<br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 4 OF 4
<br /> BY D. Foley DATE 8/10195 SURFACE ELEV —15 ft.
<br /> RECOVERY PID PETIONA �' ?�� LU LITHO- WELL
<br /> r-fy J GRAPHIC DESCRIPTION DETAIL
<br /> Q L�t� E COLUMN
<br /> (ftift) (Ppin) (blws/ft) CD
<br /> 1 511 5 SILT(ML), continued
<br /> @60' as above, brown (10YR, 413), 100% low
<br /> 44 plasticity fines, manganese-oxide staining over
<br /> I0% 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% fine to medium-grained sand, very
<br /> dense, wet, strong hydrocarbon odor
<br /> 1 2/1 5 65 SILT(NII,), light olive brown (2 5Y, 5/3), 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 5/20 wet, slight hydrocarbon odor
<br /> SANDY SELT(ML), olive brown (2 5Y, 4/3), 75%
<br /> low plasticity fines, 25% fine-grained sand,
<br /> 66 iron-oxide staining over 70% of sample,
<br /> 1 1/13 manganese-oxide staining over 5% of sample,
<br /> very dense, wet, very slight hydrocarbon odor
<br /> 81/08 70
<br /> CLAYEY SILT(NII.), light olive brown (2 5Y, 513),
<br /> 1 511 9 100% low plasticity fines, manganese-oxide
<br /> staining over 5% of sample, hard, moist, slight
<br /> hydrocarbon odor
<br /> 90/09 SILT(MLL), brown IOYR, 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 /> 68SANDY SLL.T(NII.), brown (10YR, 513), 70% low
<br /> 1 1/1 3 75 plasticity fines, 30% fine-grained sand,
<br /> iron-oxide staining over 35% of sample, very U
<br /> 9510 8 dense, wet, very slight hydrocarbon odor K,
<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 /> BORING TERMINATED AT 76 4 FEET
<br /> 80
<br /> REMnxxs
<br /> Boring drilled using 8-3nch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a
<br /> modified California split-spoon sampler Boring drilled inside existing 12-inch diameter PVC conductor casing Boring
<br /> converted to a 2-inch diameter air sparge well See Well Details sheet for well construction information
<br /> E ON
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