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<br /> Drilling Log
<br /> ❑❑® GROUNDWATER Soil Boring C--B
<br /> ❑❑❑ TECHNOLOGY
<br /> ' Project Golden Gram/Manteca Owner
<br /> Golden Graln Com an
<br /> Location 299 Moffet Boulvard Manteca CA Pros.No 0420_ 2
<br /> 0215
<br /> c v Description
<br /> ' a Q a m W N (Color, Texture, Structure)
<br /> Ila o ccn Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50%
<br /> ui m x a
<br /> ' 9 .
<br /> SP —grayPoorly Graded SAND As above-, except Brownish and slightly moist
<br /> ' 11 Poorly Graded SAND Gray, 80% fine sand, 20% medium sand, dry, no odor
<br /> o c9
<br /> Silty SAND Orange brown, 60% fine sand, 20% medium sand, 20% silt, moist,
<br /> SM no odor
<br /> Poorly Graded SAND Light gray, 45% medium sand, 45% fine sand, 5%
<br /> ' _ coarse sand, 5% silt, moist, no odor 13 SP Poorly Graded SAND As above, except orange brown
<br /> SILT Brown, 90% silt, 5% fine sand, 5% clay, very moist to wet, no odor
<br /> ML
<br /> g
<br /> Poorly Graded SAND
<br /> with Silt Light brown, 90% fine sand, 10% silt, trace
<br /> �
<br /> medium sand, very moist to wet
<br /> 15 I�I
<br /> Si
<br /> Sandy SILT 50% silt, 30% fine to medium sand 20% clay, moist, no odor
<br /> it ML
<br /> o Poorly Graded SAND Orange brown, 55% fine sand, 40% medium sand, 5%
<br /> I r silt wet, no odor
<br /> SP - Groundwater encountered 4/22/96
<br /> I
<br /> 17 Elastic SILT Brown with iron oxide staining, 75% silt, 25% clay, wet, no
<br /> ' I
<br /> mi
<br /> l NH odor
<br /> . Poorly Graded SAND Brown, 85% fine sand, 10% medium sand, 5% silt, water
<br /> saturated, micaceous, no odor
<br /> IF .I
<br /> Thin lin Silty SAND lense 50% fine sand, 40% silt, 10% medium sand
<br /> SP
<br /> 3I
<br /> - Elastic SILT with Sand Brown, 50% silt, 25% fine to medium sand, 25% clay,
<br /> wet, no odor -
<br /> �+ Poorly Graded SAND with Silt Gray with black laminations, 90% fine sand,
<br /> ;,SM 10% silt, water saturated, no odor
<br /> 21 -- Drilled and sampled to 21 feet Groundwater encountered at 16 5 feet
<br /> ' - Temporary well installed in borehole Casing removed from borehole after
<br /> . _ groundwater sample collection Boring backfilled with Portland cement All
<br /> percentages are approximate
<br /> 23 -
<br /> -Z
<br /> 3 — �
<br /> „� � _ Paoe 2 of 2
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