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y <br /> SOIL BORINGIWELL CONSTRUCTION LOG Boring No. MWAR Sheet: 1 of 3 <br /> Client Arco 2166 Date Aril 27 2009 <br /> Address 3212 N,California Street Drilling Co. Woodward Drilling rig type: BK-81 <br /> Stockton CA Driller Amador Arra o <br /> Project No. E2186-01 Method Hollow Stem Auger T Hole Diameter: 8 inches <br /> Logged By: Allan Dudding Sampler. 2 inch diameter x 18 inch long split spoon <br /> Well Pack sand: 36 ft.to 58 ft. Well Construction Casino Material: Schedule 40 PVC Screen Interval: 38 to 58 ft. <br /> bent.: 34 ft.to 38 ft. Casing Diameter:2 in. Screen Slot Size: 0.020-fn. <br /> rout: 0 ft.to 34 ft, Depth to GW: first encountered:49.25 feet bgs -Static: <br /> Sample Blow Sam ° Well Depth Lltholaglc PID ' <br /> Typal No. Count nme R.cov. Detalls Sulo Column Dourlptions of Materials and Conditions PPM <br /> r _ Asphalt pavement at surface:borehole cleared to 6.5 feet bgs using alrknifB. <br /> —— — -- -- <br /> —2 » -- <br /> - — _ —4 ---- <br /> i <br /> } <br /> —6 <br /> —7 <br /> ------------ <br /> -—— er- 10 -- <br /> —--- 22 ML Silt,ML,dark yellowish brown(10YR 414),non-plastic,moist,hard.— 0 <br /> S MWAR-11 50113" 1314 75%--.�,o 11 1D0%sift. <br /> — —12 <br /> _ —i3 <br /> 14 <br /> % 15 <br /> 10 <br /> _ _15 16 Clayey Silt,ML,dark yellowish brown(10YR 414),low plasticity,moist,hard. 0— <br /> MW-1R-16 <br /> MW-1R-16 20 1319 100% 70%sill,30%day. <br /> --- -- —17 — <br /> a!�' <br /> — — -- -— r <br /> 18 <br /> 1'..r —20 <br /> Comments:Calor descriptions based on Munsell Soil Calor Chart. <br /> Recovery <br /> Sample <br /> ENVIRONMENTAL, INC. <br />