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WPROJECT
<br /> GeoStrateg(es, Inc. Log of Boring U-3
<br /> ORMER UNOCAL STATION 00187 LOCATION 437 E Miner Avenue, Stockton, CA
<br /> GSI PROJECT NO 4827703 CASING ELEVATION 1125 (MSL)
<br /> OATE STARTED 7/6/94 WL (ft bgs) 46 DATE 7/7/94 TIME 803
<br /> DATE FINISHED 7/7/94 WL (ft bgs) 4717 DATE 7/8/94 TIME 14 37
<br /> GRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 55 Feet
<br /> DRILLING COMPANY West Hazmat Drilling GEOLOGIST Steve Carter
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<br /> 0 (n WELL DIAGRAM
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<br /> Q W w GEOLOGIC DESCRIPTION
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<br /> F T 0. CL a_ i
<br /> (L y Q 0 m = Q
<br /> O.�• 4 cc
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<br /> CL
<br /> 9 35 U3-8 5 CLAY (CL) - yellowish brown (10YR 5/8), hard, dry
<br /> to damp, low plasticity, 100% clay
<br /> u
<br /> 10 SANDY CLAY (CL) - yellowish brown (10YR 5/6), CIL
<br /> �
<br /> 17 23 U3-115 very stiff, damp to moist, low plasticity, 60-65% a
<br /> clay, 35-40% fine sand
<br /> 15 CLAY (CL) - yellowish brown (10YR 5/6), very stiff, c
<br /> 311 28 U3-185 moist, low plasticity, 95-100% clay, trace to 5% fine v,
<br /> SC sand c
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<br /> 20 CLAYEY SAND (SC) - yellowish brown (10YR 5/4), N
<br /> 21 29 U3-215 l medium dense, m0131, 85-70% fine to medium sand,
<br /> �,, CL 30-35X clay �
<br /> 25 88 51 U3_2B 0 , CLAY (CL) - olive gray (5Y 5/2), hard, moist, low to
<br /> U3-P6 5 medium plasticity, 100% clay, lightly to faintly mottled
<br /> with Fe-oxide staining, faint product odor = =
<br /> 30 33 81 1.13-315 color change to gray (5Y 5/1), light Fe-oxide
<br /> 10 5" staining, faint product odor
<br /> 35 SANDY CLAY (CL) - gray (5Y 5/1),hard, moist, low b
<br /> 51 43 U3-38 5plasticity, 80-85X clay, 15-20% fine sand, faint o m
<br /> product odor
<br /> 40 _
<br /> 158 44 03--415 product odor
<br /> SC o 45-
<br /> CLAYEY SAND (SC) -dark gray (5Y 4/1), dense, v = a
<br /> 83 41 U3-46 5 / moist, 80-85X tine to medium sand, 10-15% clay, = o
<br /> f SW-SC product odor E _
<br /> so- 70 41 U3-510 SAND WITH CLAY (SW-SC) - very dark gray (2 5Y N
<br /> N3/0), dense, saturated, 90-95% fine to coarse —
<br /> rounded sand,5-10X clay, product odor —
<br /> 55U3-54 88 U3-54 5 CL —
<br /> g. CLAY (CL) - dark greenish gray (5GY 4/1), hard,
<br /> moist,low to medium plasticity, 85-90% clay, 10--15%
<br /> fine sand, product odor
<br /> 60-
<br /> 0A - converted to equivalent standard penetration
<br /> . blows/ft)
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<br /> JOB NUMBER 4827 703 Page t of 1
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