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Wright Environmental Services Inc Exploratory Boring Log <br /> M & M Automotive -- 60 E 10th Street Tracy, California <br /> . Project No 4070—T <br /> Boring No : B-2/MW-1 Casing depth 17 feet <br /> Total depth of boring. 17 feet Casing diameter. 2 Inches <br /> Diameter of boring: 8' Inches Casing material Sch 40 PVC <br /> Date drilled- 12-5-94 Slot size- 0 020-Inch <br /> Drilling method: Hollow-Stam Auger Sand size: No 3 Sand <br /> Field Geologist. CV Screen Interval: 7 feet to 17 feet <br /> TIME Sample o Depth USCS Description Well <br /> PID No m Code Const <br /> 2 <br /> 10.00 4 CL SI11ty clary; brown 10 yr 4/3, 50-60% clay; 3o-4o% alit; trace <br /> 0 8-2-3 7 very fine sand, stiff, root holes/burrows; some vegetation, damp <br /> 6 <br /> 1012 7 8 CL Some as above; atatned greenish gray <br /> if mete 8--2-9 7 <br /> 12.19 3 10 <br /> t� <br /> V 13 0 <br /> 12 <br /> V� - - - - - - - --- - - - - - - - - - -- <br /> 12.26 4 14 No sample recovery 1st tsme <br /> • 12.31 7 SM Ch1' sand; stained greenish gray; <br /> e 16 70-807: very fine to fine sand. 20-30% alit, trace clay; wet <br /> CL Sandy clary with alit; yellowish brown 10 yr 5/4, 60-70% clay, <br /> 18 20-30% sand. very fine, 10-20% alit. stiff, damp to moist <br /> 20 Bottom of boring 0 17 foot <br /> 22 <br /> 24 <br /> 2s <br /> 2s <br /> 30 <br /> 32 <br /> 34 <br /> 36 <br /> 38 <br /> 40 <br /> 42 <br /> • 44 <br /> 46 <br />