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i <br /> I <br /> SOIL BORINGIWELL CONSTRUCTION LOG Boring No. MW-1D Sheet: 5 of 5 <br /> Client Arco 2186 Date April 24 and 27,2009 — <br /> Address 3212 N.California Street Drilling Co. Woodward Drilling no type: BK-81 I <br /> Stockton,CAA Driller Amador Arroyo <br /> Project No. E2186-01 Method Hollow Stem Au er Hole Diameter: 15 and 8 inches <br /> Logged By: Allan Dudding Sampler: 2"x 18"split spoon <br /> i <br /> Well Pack sand: 68 ft.to 85 ft. Well Construction Casing Material: Schedule 40 PVC Screen Interval: 70 to 85 ft. <br /> bent.: 65 ft.to 68 ft. Casing Diameter:2 In. Screen Slot Size: 0.020-in. <br /> grout: 0 ft.to 65 ft.__ Depth to GW: Qfirst encountered:50 feet bgs Static: <br /> Sam to Blow sample Watt utholagle PID <br /> T No. Count TYna lRecov. Dahiis Scale Column Descriptions of MaWriais and Condrdons PPM <br /> Sp Poody-graded Sand with silt.SP,dark yeltowlsh brown(10YR 414),medium <br /> 81 to coarse grained,wet,very dense. 90%sand, 10%silt. <br /> SW Welt-graded Sand with silt.SW,dark yellowish brown(10YR 414),fine to <br /> 82 coarse grained,wet,loose. 90%sand,10%sift. <br /> 83 SP Poorly rade d Sand with sift,SP,dark yellowish brown(10YR 414),medium <br /> to coarse grained,wet,very dense. 90%sand,10%silt. <br /> 84 <br /> -- .. — 85 <br /> 86 <br /> 87 <br /> i <br /> 88 <br /> —89 <br /> 90 <br /> at ------------ ---------------------------- -__- <br /> -92 <br /> 93 <br /> 94 <br /> 95 <br /> 98 ---^ --- —- -- -------- -- —�— - --- E <br /> 97 <br /> 98 <br /> —99 <br /> t00 <br /> Comments:Borehole drilled and sampled from 63 to 85 feet bgs with 8-inch <br /> Well Casing diameter hollow-stem augers to 85 feet bgs;well set at 85 feet bgs. <br /> Recovery- <br /> Sample- <br /> ENVIRONMENTAL- <br /> ecoverySampleENVIRONMENTAL- INC. <br />