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Advanced BORING LOG <br /> f 1 <br /> GeoEnvironmental, <br /> Inc. BOREHOLE NO Mw-4 <br /> �•y 837 Shaw Road, Stockton, <br /> CA 95215 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 30 feet <br />' Project MBP -NAVY Drilling Co West Hazmat <br /> Site Location 2191 Navy Drive Rig/Auger Type CME-85 <br />' Stockton Lagged By P Dotson <br /> California Reviewed By N Henderson <br />' Project No AGE-NC-98-0534 Date(s) Drilled 07-20-00 <br /> Notes a Water level during drilling Page 1 of 1 <br />' = Water level In completed well <br /> Depth Sample Blows PID Sod vSCS Class and Well Well <br />' ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> 1 <br />' -5 No sample recovery <br /> MW4-5 818112 -- Cement grout seal from <br /> -5'to-7'bsg <br /> _110— <br /> 0 -- CL CLAY,brown,moist,no petroleum hydrocarbon <br /> MW4-10 919112 IVA (HC)odor <br /> I Bentonite seal from-7' <br /> to-8' bsg <br /> CL CLAY,vwth silt tan,moist,no HC odor <br /> -15 MW4-15 12/18/22 --- n2/12 sand from-8'to <br />' -30'bsg <br />' CL CLAY,bluish-gray,saturated,no HC odor <br /> MW4-20 12/17/23 -- Screened interval from <br /> I -10'to-30'bsg <br /> I CL CLAY,bluish-gray,saturated,no HC odor <br /> -2 5 MW4-25 17/23/29 <br /> ICL SILTY CLAY/CLAYEY SILT,bluish-gray, <br /> -3 0 -MW4-30 14/17/23 saturated,no HC odor Cap at-30' <br /> r i <br />