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LEE & PIERCE, INC. <br /> LOG OF WELL MW2 <br /> PROJECT Beneto, Inc. FC LOCATION 10842 S. Harlan Rd French Camp PROJECT NO. 06516 <br /> DATE DRILLED 09/05/06 LOGGED BY John Lane REVIEWED BY John Lane, RG 6795 <br /> DRILLING CO. Spectrum Exploration DRILLER Tony Young METHOD Hollow Stem Auger <br /> BORHOLE DIAMETER 8 in DEPTH DRILLED 32 It DEPTH TO WATER: INITIAL 22 ft. STATIC 20.81 ft <br /> CASING TYPE PVC DIAMETER 2.0 in. SCHEDULE 40 CASING INTERVAL 0 ft. TO 17 ft. <br /> SCREEN TYPE PVC DIAMETER 2.0 in. SLOT SIZE j0.020 SCREEN INTERVAL 17 ft. TO 32 ft. <br /> FILTER PACK TYPE #3 Monterey Sand INTERVAL 15 ft. TO 32 ft. <br /> SURFACE SEAL TYPE Neat Cement Grout over hydrated bentonite chips INTERVAL Oft. TO 15 ft. <br /> NOTES: Completed with grade level well box <br /> WELL DEPTH P.I.D. SAMPLE USC SOIL DESCRIPTION <br /> DETAIL (feet) (ppm) ID LOG i <br /> 0 0--3' Asphalt overfill material <br /> 2 FILL !� <br /> 4 <br /> Blow Cnt 3/5-11.5/15' <br /> 6 6/8/12 Silty sand: 60%fine sand;40%fines; medium dense, <br /> It. Brown, no odor, no organics, dry, iron oxide <br /> 8 SM <br /> 10 Blow Cnt <br /> 6/8/12 <br /> 12 <br /> 14 j <br /> 0.1 Blow Cnt SW 11.5/15-16.5/20' ! <br /> 16 4/6/9 Well graded sand: >95% F-C sand, <5%fines; <br /> loose-me. dense, speckled brown, no odor, dry, <br /> 18 <br /> 16.5/20-21' <br /> 20 MW2-20.5 ML V Silt: 10% sand, 90%fines; N-L dry strength, <br /> 0.2 Blow Cnt ML slow dilatancy, low toughness, no plasticity, <br /> 22 6/8/9 stiff, no odor, no organics, moist <br /> 21-21.5/25' <br /> 24 Same as above, but with less sand and blocky <br /> Blow Cnt Sand 21.5/25-26.5/30' <br /> 26 5/10/15 No recovery from sample interval, sand on end of <br /> shoe,wet, assume water-bearing sand <br /> 28 26.5/30-31' <br /> Silty clay: 15%fine sand; 85%fines; M dry strength <br /> 30 CUMH slow dilatncy, M tghness, M-H plasticity, stiff, If <br /> 0.4 MW2-30.5 SM drk. brown, no odor, organics, wet <br /> 32 Blow Cnt 31-32' <br /> 4/9/13 Silty sand: 60%fine sand,40%fines; M dense, E <br /> 34 no odor, drk. Brown, organics,wet <br /> 36 <br /> 38 <br /> 40 <br /> j <br /> I <br />