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Project: Former ARC �Stat <br /> ion # 548 Log o€Monitoring Well: <br /> Location: ]6l2 t Hamer Ln.,Stcekton,CProject Number; 38466442 , MW-7 5 <br /> k <br /> Dates Drilled: 12/1/04 Total Depth: 40 feet Borehole Name: MW-7 <br /> ng Contractot: Cascade Drilling Wel]Cnastrtrction Date: 12/1/04 Logged By: Matt Faris <br /> L ole Diameter 8-inches Casing Diameter: 2-inches Casing Type: SCH 40 PVC Checked By. Vernon Elarth,R.G. <br /> Drilling Method; Hollow Stem Auger Screen Interval: 25-40 ft. Slot Size: 0.020-inch Sampling Method- CA Modified Split Spoon <br /> Comrnents: Located is parking lane ou E.side of Brentwood Dr. <br /> � w U <br /> = -R u u <br /> LTTHOLOGY DESCRIPTION WELL CONSTRUMON <br /> 0 <br /> AspbWL and aYg traffi <br /> ate base i7tcsh mauated c rated 0 <br /> vault box <br /> \ I\ Fill,silly sand,gravel and asphalt chunks,dense. <br /> Well secured with locking <br /> pressure cap. <br /> 5 33 <br /> \--\ Near surface to 20 L neat <br /> cement <br /> \\_\` <br /> ]Q 32 Sand(SP). lii ofive Drown, <br /> gh poorly graded,very Tine to tine ]Q <br /> grain,trace silt,damp,dense. <br /> 2-iwb SCH 40 PVC <br /> Silty Saud(SM). Dark yellowish brown,very fine to fine <br /> ..'i 34 grained,30-40%silt,rr9cacww,moist,dense. <br /> 15 <br /> 20 32 15-25%silt. <br /> 20 <br /> 29-23 L Bentonite Plug <br /> i <br /> 25 27 Light olive brown <br /> 25 <br /> 2-inch SCH 40 PVC.0.020- <br /> inch slot screen 25.40 ft. <br /> #3 filter pack sand 23-40 L <br /> 25 Sand with grave[(SP). Dart gray,fine to coarse grin <br /> a30 <br /> approximately t 0%gravel up to 1.5cim in diameter,rotmdcd to <br /> YIZ well rounded,trace silt,saturated,medium dense. <br /> First groundwater encountered at 31.5 h. <br /> 30 Sandy Silt 0-IL.). yellowish brown,nonplastic.30%fine grained <br /> sand,moist,very stiff. i <br /> a <br /> Silt with Saud <br /> (ML).light olive brown,slightly plastic,up to <br /> MIT2096 very fine grained sand moist,stiff. <br /> 2870 Geta.ay Oaks Ih.,Sec 3110 <br /> UICS Satrarrsaro.G 95833 <br /> 416479-2009 <br />