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I Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW-4 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209) 467-1006 FAX (209) 467-1118 I TOTAL DEPTH 65 feet <br /> Project Waterloo Food and Fuel Drilling Co West Hazmat Drilling <br /> Site Location 3032 East Waterloo Road Rig/Auger Type CME 85 / 8" <br /> Stockton Lagged By Mr Tony Mikactch <br /> California Reviewed By N Henderson <br /> Project No AGE-NC-99-0559 Date(s) Drilled 26 January 2000 <br /> Notes -- - Water level during drilling Page 1 of 2 <br /> 7v Water level in completed well <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> ID I (per 6") (ppm) Symbol Sod Description Completion Description <br /> Q Well cover cnsty box <br /> � II <br /> I I <br />' I -5 I j <br /> 1 <br />' -10-1 <br /> 'I I j I Cement grout seal from <br /> —15 JI CL CLAY light brown to olive green moist,with silt I 5'to 41'big <br /> i <br /> MW4-l5' 10110/L2 19 and fine sand(15%),no(HC)hydrocarbon odor <br /> I _ E <br /> � I <br />' I CL CLAY light brown to olive green moist,with silt I <br /> -2 0 MW4-20' 115/19/23 I & organic matter,iron oxidation no HC odor — <br /> I <br /> J <br /> I <br /> ML SILT brown to olive green,moist clayey(10%), <br /> —2 5 i MW4-25' 13/19/24 18 — with fine sand(5%),gray mottling no HC odor <br /> I t I <br /> i i I I <br /> Ii __ € <br /> 1 i SA POORLY GRADED SAND brown mast,fine t� <br /> —30—I MW4-30' 24/24/32 6 1 medium sand,with trace silt(S°%) no HC odor /l r <br /> i <br /> j CL CLAY brown to olive green moist with silt and j1 <br /> II I I fine Sand(15%),iron oxidation no HC odor 1 I <br /> ML SILT,brown gray—green,moist,clayey 10% i <br /> -35 1 MW4-35' 10/12/18 28 with fine sand(5%),irnn oxidation,no HC odor j <br />