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' Advanced BORING LOG
<br /> GeoEnvironmental, Inc.
<br /> ,., BOREHOLE NO MW-'6
<br /> 4005 North Wilson Way, Stockton, CA 95205
<br /> 209 467-1006 FAX 209 467-1118 TOTAL DEPTH C5'
<br />' Project COMFORT AIR Drilling Co V & W Drilling
<br /> Site Location 1607 Turnpike Road Rig/Auger Type Boart Lorigyear 81
<br />' Stockton Logged By Paul Dotson
<br /> California Reviewed By Nuel Henderson
<br />' Project No AGE-NC-95-0141
<br /> Date(s) Drilled 25 October 2000
<br /> Notes Sampled continuously to total depth(65'bsg) Boring a Water level during drilling Page 1 of 2
<br />' completed as 2-inch diameter ground water monitoring well = Water level 1n completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> I Ll1
<br /> 0 Well cover cnsty box
<br /> 1
<br /> -5
<br /> CL CLAY,with silt,backfill material,trace of rounded
<br /> black fragments,moderate plasticity,brown,dry,no
<br /> petroleum hydrocarbon(HC)odor
<br /> MW6-7
<br /> 10 MW6-9 5 CL CLAY,with silt,moderate plasticity,gray(HC
<br />' staining),intense HC odor
<br /> CL CLAY moderate to high plasticity,grayish tan,
<br /> damp,HC odor
<br /> CL CLAY,some silt and brown organic matter,
<br /> MW6-14 moderate plasticity,brown,very damp to moist,HC
<br /> odor
<br /> -15 Cement grout seal from
<br /> No sample recovery 15'to 16 5'bsg 5'to 49'bsg
<br /> CLAY AND SAND SANDY CLAY,approximately
<br /> MW6-17 40%fine sand,black to brown,moist,aged HC odor
<br />' CL CLAY,some silt,high plasticity,tan,moist,aged
<br /> HC odor
<br /> -20
<br /> SC CLAYEY SAND,approximately 40%fines fine
<br /> 7qz ////// sand tan to gray,moist aged HC odor
<br />' MW6-22 CL CLAY,olive gray,moist,aged HC odor
<br /> CL SILTY CLAY olive gray,moist,aged HC odor
<br />' MW6-24
<br /> -25 CL CLAY,olive gray,moist,aged HC odor
<br /> CL SILTY CLAY,olive gray,moist,very intense aged
<br />' HC odor
<br /> SZ No sample recovery 27 5'to 28 5'bsg
<br /> CL SILTY CLAY,bluish gray,saturated,intense aged
<br /> MW6-29 873
<br />' -3 0 HC odor
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