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BOREHOLE LOG MW-9 <br /> STRATUS Pro'ect No.:2007-65-01 Site: USA Station 65 DrillingCompany: Westex <br /> 2500 West Lodi Avenue, Lodi,CA Driller: Chris <br /> Date: 5-4-00 Field Geologist: Scott Bittin er <br /> Drilling Rig: 13-61 Drilling Method: Hollow Stem Au er <br /> Borehole Diameter: S Inches Sample Equipment: Split Spoon <br /> Total Depth: 50 feet Sampler Diameter: 2 inches <br /> Well Completion Data <br /> Slotted Interval: 30-50 feet Casing Material: PVC <br /> Filter Pack Material: Lonestar#3 sand Casing Diameter: 2 inches <br /> Seal Material: Bentonite Slot Size: 0.02 inches <br /> Backfill Material: <br /> Sample ID Depth Sample % Blow FID Soil Description: <br /> (ft.) Interval Rec. Count (ppm) Class. <br /> 0-0.5 -Asphalt surface <br /> 0.5-5 Engineered fill in top 2-4 feet. <br /> MW-9-6.5 6.5 5-6.5 100 19/23/23 0 SP Poorly graded sand, light brown. Fine rained. <br /> Dry. <br /> MW-9-11 11 10-11 100 39/50(4) 0 SP Poorly graded sand, light brown. Fine grained. <br /> Dry. <br /> MW-9-16.5 16.5 15-16.5 100 12/17/20 0 SP Poorly graded sand. Fine to medium grained. <br /> Light brown with orange tint. <br /> MW-9-21.5 21.5 20-21.5 100 19/19/50 0 SP Poorly graded sand, fine to medium grained. Light <br /> brown with oran a tint. <br /> CL At 20.7 feet,reach top of dark brown clay. <br /> No mottling. <br /> MW-9-26.5 26.5 25-26.5 100 41/50/5 8 CL Dark to medium brown clay from 25 to 26& <br /> SM Orange-brown silty sand from 26 to 26.5 ft. <br /> White precipitate material found in core at 26.5 ft. <br /> MW-9-31.5 31.5 30-31.5 100 17/34/50 8 SW Coarse sand from 30-31 ft. <br /> Fine sand with silt from 31-31.5 ft. Soil is moist <br /> but above water table. Sample is brown. <br /> MW-9-36.5 36.5 35-36.5 100 17/27/25 0 SM Mostly sand,medium&fine grains with some silt. <br /> Soil is moist. U&brown. <br /> Water table at 39.86 feet. <br /> MW-9-41.5 41.5 40-41.5 100 17/35/50 0 Sample is saturated. Brown color. <br /> ML 40-41 ft. is silt. Water observed bleeding out of <br /> sample. <br /> SM 41-41.5 ft. is silt with sand,some grading present. <br /> MW-9-46.5 46.5 45-46.5 80 0 ML Gray-brown silt and clay. Sticky. No mottles. <br /> MW-9-51 51 50-51 40 ?/50 0 SP Poorly sorted sand, fine and medium grained. <br /> Light brown with orange tint. <br /> ". .. `...1 <br /> PAGE 1/2 <br /> srRtnrus/E99002.02rtoc <br />