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,Z Advanced FIELD LOG <br /> , GeoEnvironmental, Inc. BOREHOLE NO B4 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 30 feet <br /> Project MBP-MOSSDALE Drilling Co Envtroprobe <br /> Site Location 444 Mossdale Road Rig/Auger Type 5400 Geoprobe <br /> Lathrop Logged By W Little <br /> California <br /> Reviewed By N Henderson <br /> I Project No AGE-NC-00-99-570 <br /> Date(s) Drilled 10/29/99 <br /> Notes none 77 Water level during drilling page 1 of 1 <br /> Inone Water level in completed well <br /> Sample Blows PID Sod USCS Class and <br /> IDepth ID /It (ppm) Symbol Soil Description <br /> 0 <br /> I <br /> CL SILTY CLAY,brown,moist,no petroleum hydrocarbon(HC)odor, low to medium <br /> 5 <br /> 134-5 -- 0 / plasticity <br /> I <br /> 0 ML SILT,tan,moist,no HC odor, low to medium plasticity <br /> 134-10 -- 2 T <br /> r <br /> — SM SILTY SAND,black and white,moist,medium sand, no HC odor <br /> 15 <br /> 134-15 -- 0 — — <br /> SP POORLY GRADED SAND,with silty,gray,fine sand to medium sand, saturated, no <br /> 20 <br /> 1131-10 0 1 HC odor <br /> I <br /> — — SM SILTY SAND,gray,saturated,medium sand,no HC odor j <br /> 25 <br /> 134-25 -- 0 — — <br /> I 30 — — SM SILTY SAND,gray, saturated, medium sand,no HC odor <br /> B4-30 _-- p — <br /> II <br />