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TERRA VAC CORPORATION LOG OF MONITORING WELL MW-9
<br /> 14798 Wicks Boulevard, San Leandro, CA 94577 page t of I
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<br /> s d a m MATERIALS DESCRIPTION WELL DIAGRAM
<br /> 406 s s
<br /> A w a s
<br /> r�� PAVEIMENT SECTION
<br /> CLAY (CH), brown black, siiff, damp,
<br /> clay, very plastic, trace fine sand5QQj;24 2 MW9-5R CWANGE to orange brown ai 4.5 feet,taining 4 m
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<br /> SILTY SAND (SM), grey green,medium dense,
<br /> damp, 80% fine sand, 15% silt, 5% clay, slight „ 2
<br /> 30 4 MW9-9 product odor
<br /> 10 2L
<br /> FAT CLAY (CH), black, stiff 100 % clay, very
<br /> plastic, trace fine sand
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<br /> 28 8 MW9-14 SILTY SAND (SM), yellow brown, medium
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<br /> dense, 75% fine sand, 15% silt, 5% clay, slight —
<br /> calcification, iron staining — o
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<br /> 28 3 M149-19
<br /> 20 v _
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<br /> FAT CLAY (CH), black, medium stiff, damp, m
<br /> 100% clay, very plastic trace fine sand _
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<br /> 13 18 MW9-24 ;. SANDY FAT CLAY (CH) greenish brown, stiff, — J
<br /> 25 , , , damp, 70% clay, very plastic, 30% fine to —
<br /> 1 � :;. medium sand
<br /> ;.. SAND (SW), greenish brown, medium dense,
<br /> . •1. saturated, 100% fine to coarse sand, trace j
<br /> fines, free water {field observation) _
<br /> 16 NO MW9-29 SILTY (ML), greenish brown, stiff, 90% silt,
<br /> 30 10% clay, trace fine sand
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<br /> Bottom of boring at 30 feet.
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<br /> PROJECT Chevron SS #9-4054 DRILLING COMPANY Spectrum Exploration, Inc.
<br /> ' LOCATION 2103 Country Club Blvd., Stockton DATE DRILLED March 18, 1995
<br /> JOB NUMBER 30-0212 SURFACE ELEVATION Not surveyed
<br /> GEOLOGIST Cliff M. Garratt TOTAL DEPTH OF HOLE 30 Feet
<br /> { DRILL RIG 8 in. dia Hollow Stem Auger FIRST OBSERVED GN 24.75 Feet
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