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<br /> Project: STONEBRIDGE D LOPMENT — LATHROP, CA. Log of Boring/Monitoring well:
<br /> ' Boring Location: SEE ATTACHED MAP Project No.: 70139-004-02 GP- 1
<br /> Subcontractor and Equipment: TEG/GEOPROBE logged By. C. MEIANCON Drawn 8y. T.Z.
<br /> Sampling Method: CONTINUOUS CORE Monitoring Device: OVM 5808 PID Comments
<br /> Stmt Date me 3/30/99//8:30 Fniish Date/Time: 3 30 99 9:30 9:30 Collected GP-1
<br /> ' raundwater sample (3/30/99)
<br /> Frst Water (bgs): —11' Stabilized Water Level (bgs): 9'
<br /> a o
<br /> Surface Elevotion: 13.7' MSL Top Casing Elevation: NA
<br /> ' z a`o E Z Boring Abandonment/
<br /> o
<br /> sLITHOLOGIC DESCRIPTION
<br /> (cola, grain size, consistency, moisture, other) Well Constructi0n Details
<br /> E o o d
<br /> n m o o 3
<br /> t D DARK BROWN (IOYR-3/3) SILTY SAND (SM) Sand is
<br /> 1 fine—grained, medium dense, dry to moist (0,85,15,0)
<br /> ' 3 2
<br /> 3
<br /> 4 DARK GRAYISH BROWN (IOYR-4/2) SAND (SP) Sand
<br /> ' 3 5 is fine—grained, micaceous, mecdlium dense, moist
<br /> (0,100,0,0)
<br /> fi Grout
<br /> GRAYISH BROWN (2.5Y-5/2) SILTY SAND (SM) Sand Bockrilled ith 5%
<br /> ' 7 is fine—grained, dense, moist (0,80,20,0) BentanileCement
<br /> 4
<br /> 8 LIGHT BROWNISH GRAY (10YR-6/2) SANDY SILT (ML)
<br /> with trace clay. Sand is fine—grained, stiff, moislt, low
<br /> ' 5 9 plasticity, (0,35,60,5)
<br /> 4 10 LIGHT BROWNISH GRAY (tOYR-6/2) SILTY CLAY (CL)
<br /> with trace fine—grained sand, very stiff, moist,
<br /> 11 -� moderate, plasticity, (0,5,35,60)
<br /> t 12 LIGHT BROWNISH GRAY (tOYR-6/2) SAND SP1 Sand
<br /> isfi
<br /> fine—grained sand, medium dense, wet R1 0,0,0)
<br /> 5 13 ;-
<br /> ' 14
<br /> LIGHT BROWNISH GRAY (2.5YR-6/2) SANDY CLAY (CL)
<br /> 15 with silt. Sand is fine—grained, very stiff, moist,
<br /> 16
<br /> moderate plasticity, (0,30,20,50)
<br /> End of boring 16'
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<br /> SECOR o0o Reviewed 8w Dale: s
<br /> Revised 8y. Date: Page-l—ot 1
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