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LOG OF EXPLORATORY BORING
<br /> PROTECT NUMBER OF90-002.04 BORING NO AS-1
<br /> PROJECT NAME A. Teichert& Son, Inc. PAGE 4 OF 5
<br /> BY D. Foley DATE 5/8/95 SURFACE ELEV -20 ft.
<br /> PID RECOVERY PET ORA- %ni
<br /> � LITHO- WELL i
<br /> I 1 GRAPHI DESCRIPTION DETAIL
<br /> aE�t' ¢ COLUMN
<br /> (Ppm) (ft/ft) (btws/ft) 0-`1 it
<br /> SILTY SAND(SM), continued
<br />' 285 15/20 65 @65' as above, dark yellowish brown (10YR,
<br /> Q 414), 15% Files, 85% fine-grained sand, minor
<br /> = caliche seams, medium dense, moist to wet,
<br /> 24 5/8/95 moderate hydrocarbon odor
<br /> 12/20 @67' as above, iron-oxide staining over 20% of
<br /> sample, medium dense, wet, moderate
<br /> hydrocarbon odor
<br /> 21
<br /> 1 5119 @69' as eve, 20% fines, very dense, wet,
<br />' 70 mute hydrocarbon odor
<br /> 84/09
<br /> 12/20 @71' as above, 25% low plasticity fines, minor
<br /> gray &tamed seams, very dense, wet, slight
<br /> hydrocarbon odor
<br /> 55
<br />' 1 1/17 @73' as above, 20% fines, minor caliche seams,
<br /> manganese-oxide staining over 15% of sample,
<br /> very dense, wet, slight hydrocarbon odor
<br /> 90/07
<br /> 1 211 5 75 @75' as above, mottled dark yellowish brown
<br /> (10YR, 4/4)and grayish brown (2 5Y, 5/2), very
<br /> 84/09 dense, wet, slight hydrocarbon odor
<br /> 12/1 8 @77' as above, dark yellowish brown 00YR,
<br /> 4/4), 20% fines, mmor caliche nodules,
<br /> manganese-oxide staining over 10% of sample,
<br /> 87/08 very dense, wet, slight hydrocarbon odor
<br /> 13/18 @79' as above, very dense, wet, slight
<br /> 80-2hydrocarbon odor
<br /> RE AM
<br /> Boring drilled using continuous-flight,hollow-stem auger drilling equipment and sampled with a modified California
<br /> spht-spoon sampler Boring logged from drill cuttings from surface to first-encountered groundwater and continuously
<br /> sampled from first-encountered groundwater to total depth Boring converted to a 2-tact diameter air sparge well
<br /> LEON See Well Details sheet for well construction mformation
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