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i <br /> Project: STONEBRIDGE DE PMENT — LATHROP, CA. Log of Boring/Monitoring Well: <br /> Daring location: SEE ATTACHED MAP Project No.: 70139-004-02 GP- 7 <br /> ' Subcontractor and Equipment TEG/GEOPROBE logged By. C. MELANCON I Drawn By,. T.Z. <br /> Samptng Method: CONTINUOUS CORE Monitoring Device: OVM 5808 PID Comments: <br /> ' Start Date�me: 3/31/99//8:::30 finish Date/T'ne: 3/31/99//9:30 Grou Collected plc Groundwater sample (3/31/99) <br /> First Water (bgs): —6' Stabilized Water Level (bgs): 7,05 <br /> a o Surface Qevolion: 11' MSL Top Casing Elevation: NA <br /> E <br /> g E Q, Boring Abandonment/ <br /> LITHOLOGIC DESCRIPTION <br /> E o o grain size, consistency, moisture, other) Well Construction Details <br /> no <br /> DARK <br /> u N o <br /> N m a o 3 <br /> ' 0 DARK BROWN (10YR-3/3) SAND (SP) Sand is <br /> 1 fine—grained, loose, dry to moist (0,100,0,0) <br /> 2 <br /> ' t 3 BROWN (10YR-5/3) SANDY SILT (ML) Sand is <br /> fine—grained, medium dense, moist, llaw plasticity <br /> 4 (0,40,60,0) <br /> t 5 <br /> 6 r Grout <br /> BROWN (10YR-5/ 1 SAND SP) Sand is fine—grained, Backfilled with 5% <br /> ' 7 moist(wet at 6') ,90,t0,OS Bentonite/Cement <br /> t B <br /> 9 <br /> ' 10 <br /> tLIGHT BROWNISH GRAY (10YR-6/2) SILTY CLAY (CL) <br /> 11 with trace fine—grained sand, very stiff, moist, <br /> ' moderate plasticity, some rootholes (0,5,35,60) <br /> 12 <br /> 13 End of boring 12' <br /> ' 14 <br /> 15 <br /> 16 <br /> t 17 <br /> 18 <br /> ' <br /> 19- <br /> 20-- <br /> 21- <br /> 22- <br /> 23- <br /> 24- <br /> 25- <br /> 26- <br /> 27 <br /> 920212223242526Z7 <br /> u 28 <br /> 1 8 29- <br /> 1 1 <br /> 30 <br /> SECOR 000 Reviewed Date: <br /> Revised By. <br /> Date: Poge 1 0l 1 <br /> 1� <br />