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LOG OF EXPLORATORY BORING
<br /> PROJECT NUMBER 0805-114.02 BORING NO B27/A$2
<br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 4 OF 4
<br /> BY D. Foley DATE 8/I0/95
<br /> SURFACE ELEV --15 it.
<br /> RECOVERY P10 PENETRA- W WELL
<br /> LITHO-
<br /> T10N j Q. GRAPHIC DESCRIPTIO4 DETAIL►
<br /> cc COLUMN t
<br /> {ftlft} {pptrt} {ht,as/ft} —i �
<br /> 15/15
<br /> SILT(ML), oonnnued
<br /> @b0' as above, brown f 0YR, 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 513); 10%
<br /> fines, 90% fine to medium-grained sand, very
<br /> dense, wet, strong hydrocarbon odor
<br /> 1 211 5 65 SRLT(ML), light olive brown (2 5Y. 5/3), 100% low
<br /> Plasticity fines, uon-oxide staimne over 20% of
<br /> 71 sample, manganese-oxide staining over 5% of
<br /> sample, gray staining over 5% of sample, hard,
<br /> 1 512 0 wet, slight hydrocarbon odor
<br /> SANDY SILT(ML),olive brown(2 5Y,4/3), 75%
<br /> low plasticity fines, 25% fine-gramed sand,
<br /> ' 66 iron-oxide staining over 70% of sample,
<br /> -1.111 3 manganese-oxide staining over 5% of sample,
<br /> 81/08ills
<br /> 70 very dense, wet, very sljgh[Lhydroc:arbon odor
<br /> CLAYEY SRLT(ML), light obve'brown(2 5Y, 5/3),
<br /> XA'1 5/1 9 100% low plasticity fines,dmganese-oxide
<br /> staining over 5%of sample,hard. moist, slight
<br /> hydrocarbon odor
<br /> 90/09 SILT(ML). brown 10YR, 513), 90% tow plasticity
<br /> l 812 0 fines. 10% fine-grained sand, iron-oxide staining
<br /> over 40% of sample, hard, wet, very slight
<br /> hydrocarbon odor
<br /> 68 75 SANDY SILT(Till..),brown(10YR, 513), 70% low
<br /> I_I/1.3 plasticity fines; 30% fine-grained sand,
<br /> iron-oxide staining over 35% of sample, very
<br /> 95/08
<br /> dense; wet; very slight hydrocarbon odor -,,
<br /> CLAYEY SILT(MIL), light olive brown(2 5Y, 513),
<br /> 100% low plasticity fines,iron-oxide stamwg
<br /> over 20% of sample, inanganese-oxide staining
<br /> over 5%of sample, hard, wet, very slight
<br /> hydrocarbon odor
<br /> 'BORING TERMINATED AT 76.4 FEET
<br /> 80
<br /> RFIAARKS
<br /> Bong drilled using 11-tach dtanieter conanuous-flight,hollow stem auger dnlluag equipment and sampled with a
<br /> modified California split-spoon sampler Bonag drilled inside eximag 12-inch duamoter PVC conductor casing Boring
<br /> EAQONconverted to a 2-inch diameter aur sparge well See Well Details sheet for welt coosiruWon uiformauon
<br /> E ON
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