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C)TERRA VAC CORPORATION LOG OF MONITORING WELL MW-6
<br /> 14798 Wick3 Boulevard, San Leandro,CA 94577 Page 1 of I
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<br /> MATERIALS DESCRIPTION WELL DIAGRAM
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<br /> m ton O uai N
<br /> FILL
<br /> FAT CLAY (CH), dark brawn, medium stiff,
<br /> damp, 100% clay, very plastic, trace medium o
<br /> sand
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<br /> COLOR CHANGE to greenish brown at 4 feet
<br /> 22 1.1 MW8-5 5
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<br /> SILTY SAND (SM), green grey, medium dense, w U
<br /> damp, 80% fine sand, 15% silt, 5% clay, slight ro
<br /> i` 15 76 MWB-9 Product odor z
<br /> 10 FAT CLAY ICH), dark yellowish brown, stiff o
<br /> V 1GO % clay, very plastic, trace fine sand a
<br /> ANGULAR fine to medium gravel and organic
<br /> 13 182 MWB-14 mottling at top of sample
<br /> 15 LEAN CLAY (CL), green grey, medium stiff,
<br /> 90% clay, moderately plastic, 10% fine sand, — Q
<br /> trace silt
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<br /> 22 421 M148-19 FAT CLAY (CH), dark brown, stiff, damp, 100% y
<br /> �0 clay, very plastic trace fine sand :' °
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<br /> COLOR CHANGE to grey green, increase sand
<br /> to 10%, root holes, slight product odor, — M
<br /> product staining at 19.5 feet = u�
<br /> STANDING WATER at 21 feet, driller o = o
<br /> 16 143 MWB-24 observation
<br /> 25 COLOR CHANGE to dark yellow brown, medium m —_
<br /> stilt, saturated, 23.5 feet v
<br /> SAND (SP), grey green, loose, saturated, _
<br /> 100% fine sand, trace fines —
<br /> 1 SILTY SAND (SM), grey green, loose, 75%
<br /> 20 MWB-29 fine sand, 20% silt, 5% clay no product odor
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<br /> FAT CLAY (CH), yellow brown, medium stiff, —
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<br /> saturated 100% I v
<br /> clay, very plastic, trace fine
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<br /> sand
<br /> SAND (SW), grey green, medium dense,
<br /> saturated, 95% fine to coarse sand, 5% fine
<br /> gravel, trace fines
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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 3/16/95
<br /> JOB NUMBER 30-0212 SURFACE ELEVATION Not surveyed
<br /> GEOLOGIST Cliff M.Garratt TOTAL DEPTH OF HOLE 30 Feel
<br /> DRILL RIG 10 in. dia Hollow Stem Auger FIRST OBSERVED GW 23.5 Feet
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