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i <br /> til <br /> Advanced BORING LOG <br /> GeoEnvironmental Inc. <br /> -- � BOREHOLE NO MW-5 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 55' <br /> Project Local Food Store Drilling Co Mitchell Drilling Environmental <br /> Site Location 2650 Monte Diablo Avenue Rig/Auger Tyle 8-inch hollow stem <br /> Stockton, California 95205 Logged By Paul B Dotson <br /> Reviewed By Calvin Lee <br /> Project No AGE-NC-98-0521 <br /> Date(s) Drilled 21 July 2003 <br /> Notes MW-5 completed as 2-inch ground water momtonng sz Water level during drilling Page 1 of 1 <br /> well screened from 50 feet to 55 feet bsg s Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sod Description Completion Description <br /> 0 <br /> jSoil samples not collected between 0 and 35 feet bsg <br /> -5 <br /> i <br /> I <br /> -io <br /> f <br /> -15 <br /> Cement grout seal from <br /> , 15'to 45 bsg <br /> 201 <br /> I <br /> I <br /> -25- <br /> -30 <br /> i `3 5 CL Bluish gray,LEAN CLAY,some silt(micaceous), <br /> MWS-35 316110 0 saturated,no petroleum hydrocarbon(HC)-odor,90% <br /> recovery <br /> 0000000 ML Bluish gray,SILT,approximately 10%fine sand, Cement grout seal from <br /> -40-] MW3-40 13/19/27 0 ; saturated,no HC-like odor,100%recovery 5'to 45'bsg <br /> I SP-SM Medium gray,POORLY GRADED SAND <br /> -45-11 MW3-45 18/21/23 0 with SILT approximately 10%fines,fine sand, <br /> i saturated,no HC-like odor,40%recovery Bentonite seal from 45' <br /> to 4$' bsg <br /> I <br /> � I SP Dark gray,POORLY GRADED SAND,trace fines, I#}2112 sand from 48 to <br /> 501 >ti1W3 50 /4/18/27 0 fine sand,saturated,no 11C-bke odor,60%recovery 55'bsg <br /> 1 i Screened interval from <br /> 5'to 20'bsg <br /> a SP Dark gray,POORLY GRADED SAND,trace Innes, <br /> -55 fine sand,saturated,slight solvent-like odor,60°/6 Cap at 55'bsg <br /> recovery Shoe contained SILTY CLAY <br />