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LOG OF EXPLORATORY BORING
<br /> PROJECT NUMBER 4805-114.02 BORING NO B27/AS2
<br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 4 OF 4
<br /> BY D. Foley DATE 8110/95 SURFACE ELEV —15 ft.
<br /> RECOVERY PID PEHETRA- U) LITHO- WELLi
<br /> TION ¢j 0- E COLUMN DESCRiPTIO�t OETAILI
<br /> (ft/ft) (ppm) (btwslft) �
<br /> U)
<br /> 1 511 5 SILT(ML), continued
<br /> @b0' as above, brown (10YR, 4/3), 100% low
<br /> 44 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, 5/3), 10%
<br /> fines. 90% fine to medium-grained sand, very
<br /> dense, wet, strong hydrocarbon odor
<br /> 12/15 65 SILT(ML), light olive brown (2 5Y 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 5/20 wet, slight hydrocarbon odor
<br /> SANDY SELT(ML), olive brown (2 5Y,4/3), 75%
<br /> low plasticity fines, 25% line-grained sand,
<br /> ' 66 iron-oxide staining over 70% of sample,
<br /> -1 III 3 manganese-oxide staining 6-ver 5% of sample,
<br /> 81/08
<br /> 70 very dense, wet; very slight"hydrocarbon odor
<br /> 3� CLAYEY SILT(ML), light okve'brown(2 5Y, 5/3),
<br /> 1 511 9 100% low plasticity fincs.�r`t`ianganese_oxide
<br /> staining over 5% of sample, hard, moist, slight �
<br /> hydrocarbon odor
<br /> 90/09 SILT(ML), brown 10YR, 513), 90% low plasticity
<br /> 1 8/20 fines, 10% Cine-grained sand. iron-oxide staining
<br /> over 40% of sample, hard, wet, very slight
<br /> hydrocarbon odor
<br /> 68 75 SANDY SILT(ML), brown(10YR, 513), 70% low
<br /> 1 1/1 3 plasticity fines, 30% fine-grained sand,
<br /> 4iron-oxide staining over 35% of sample, very .0
<br /> 9510 8 �
<br /> dense; wet; very slight hydrocarbon odor
<br /> CLAYEY SILT(ML), light olive brown(2 5Y, 5/3),
<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 /> sa BORING TERMENATED AT 76-4 FEET
<br /> IKS
<br /> Boring drilled using 8-inch diameter continuous-flight hollow-stem auger dnning equipment and sampled with a
<br /> modified C311f0mm spill-spoon sampler Boring dniled inside existing I2-inch dnmeter PVC conductor casing Boring
<br /> EAQONconverted to a 2-inch diameter air sparge well See well Details sheet for well connmcuoo informauou
<br /> E ON
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