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WE <br /> a <br /> K4WEISS ASSOCIATES <br /> 0. WELL MW-2 <br /> GRAPHIC LOG DESCRIPTION <br /> o ° — — <br /> Silty CLAY(CL),dark gray,stili,damp,low <br /> estimated permeability,(fill?) <br /> t•� <br /> w 4'PVC -- <br /> - <br /> casing Moderate to strong diesel odor at 4.0 ft. <br /> - <br /> Ceramic drain pipe(fill?)at 6.0 ft. <br /> Ceme <br /> w <br /> sand nu -- Gray mottled gray-brown at 7.5 ft. <br /> a grout e - <br /> N <br /> _ 10 10 <br /> Medium stili,no mottling,slight hydrocarbon <br /> - odor from 10 to 11.5 It. <br /> A - <br /> z - Slight hydrocarbon odor,moist to wet from <br /> 15 to 16.5 ft. <br /> l5 15 5-10%fine to medium sand,very slight <br /> hyIfocarbon odor,moist to wet at 17.5 ft. <br /> <.i fine sand,wet from 20 to 21.5 ft. <br /> 0 11Sopt87� -- <br /> - _ Silty SAND(SM) blue gray medium dsnse, <br /> 31 Aug 87 Bentonite - - wat,very Fina 10 line sand,10.30%siit, <br /> 20 Bonnpallets 20 - slight hydrocarbon odor,moderate to high <br /> _- estimated permeability <br /> q3 Monterey - Clayey SAND(SC),5.10%day from 22.5 to <br /> r sand ;.;. ,.'3 22.8 ft. <br /> t" . ':•:: Sandy CLAY(CL),dark blue-gray,stiff, <br /> D4 - <br /> '•'�•��' ' 20.30%very Tina sand,low estimated <br /> 25 <br /> 25 _•f:-=`, permeability <br /> 0.02"stoned :==+;+ Silty SAND(SM),dark blue gray,dense. <br /> 4'PVC ?"':':`=':' very fine to fine sand,10.209 sip,moderate <br /> - casing <br /> _ ' '+' to high estimated parmeabifity <br /> (Contact from driller) --__,-_--_- <br /> ,.,_L EXPLANATION r <br /> 30 <br /> Logged by: J.Theisen <br /> 71' Water level during drilling(date) Supervisor: Richard B.Weiss:EG 1112 <br /> V Water Leval(date) Drilling Company: EGS <br /> —-- Contact(dashed where approx.) Driller: Dave Brazie <br /> r i i i r r i Gradational Contact Griping Method: Hollow Stem Auger <br /> Location of recovered drive sample <br /> Dates Drilled: 134ug 87 <br /> Location of drive sample sealed for Well Head Type Cosampler: California,s <br /> 11 Cap and Manh019 <br /> nia,Standard Penetration <br /> chemical analysis <br /> Grab sample <br /> Safeway Moat Packing. <br /> - --- <br /> Boring Log and Well Construction Details - --- -- - -stogy tan: <br />