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,1 Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: MW-1 <br /> f� 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 781 <br /> Project: NATIONAL FREIGHT Drilling Co.: West Hazmat <br /> Site Location: 2850 Loomis Road Rig/Auger Type: CME 75 - 8" HSA <br /> Stockton, Califomia Logged By: Paul Dotson <br /> Revi wed By: N. Henderson <br /> Project No.: AGE-NC-98-0497 <br /> Date(s) Drilled: 15 August 2000 <br /> NoteS: Total depth of boring 78 feet bsg.Boring a Water level during drilling <br /> Page 1 of 2 <br /> completed as 2-inch diameter ground water monitoring well. = Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID 1 ft. (ppm) Symbol Soil Description <br /> 0 <br /> SM:SILTY SAND,fine sand,approximately 30%fines,brown,dry,very dense,no <br /> petroleum hydrocarbon HQ odor. <br /> -5 MW1-5 25/26/30 --- <br /> SM: SILTY SAND,fine sand,approximately 30%Fines,contains approximately 5% <br /> . = white and black organic material,brown,dry,very dense,no HC odor. <br /> -10 MWI-10 23/32/40 19 <br /> SM: SILTY SAND,witt approximately 15%fines,fine sand,brown,damp,medium <br /> — dense to dense,no HC odor. <br /> -15 MWI-15 10/14/20 --- <br /> SM:SILTY SAND,fine sand,approximately 40%fines,brown,very dense,no HC odor. <br /> -20 MWI-20 28/36/36 -- - -- <br /> SM:SILTY SAND,fine sand,approximately 30%fines,brown,damp,dense to very <br /> dense,40%recovery,no HC odor. <br /> -25— MW 1-25 15/34/40 --- <br /> —_—— ML:SANDY SILT,app oximately 30%fine sand,brown,damp,very stiff to hard,no <br /> ——— HC odor. <br /> -30 MWI-30 9114120 -- <br /> ... SM: SILTY SAND,fine sand,approximately 40%fines,brown,damp,dense to very <br /> dense. <br /> -35 MWI-35 18/31/39 --- -- <br />