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HEADSPACE <br /> WELL CONSTRUCTION LITHOLOGY SAMPLE DATA MEASUREMENTS <br /> Depth, CHRISTY BOX ' LOCKING CAP Graphic Samp!e Penetration Field <br /> reel Lg Description No.and Rate Screen:ng <br /> Interval (Blows/ft.) (ppm) <br /> 2-INCH <br /> 8-INCH DW. i i• ....._. <br /> BOREHOLE DIAMETER <br /> .......... ii, ii SCH.40 <br /> BLANK PVC <br /> CASING -- - <br /> ��' CEMENT <br /> 5 <br /> GROUT Organic CLAY(Peal?)(CL),brownish black(5YR 2n,moist, 5 <br /> BENTONITE soft,medium plasticdy. <br /> SEAL <br /> 3 <br /> .......... <br /> ........... <br /> #2/12 SAND <br /> ...._..... :. <br /> 10 = 2-INCH 0 <br /> DIAMETER CLAYEY SILT( ),dark greenish gray(5GY 4/1),moist,soft <br /> PERFORATED _=_ to medium stiff,low plasticity. <br /> ........... i:: PVC CASING <br /> 24 <br /> (0.010-inch _=-_ Same as above. <br /> .':.. slots) _ ......__. <br /> Same as above.Color change to dark ye.lowlsh brown <br /> 26 <br /> (10YR 4/2)to dark greenish gray(SGY 4/1),wet. <br /> ......... <br /> 15 BOTTOM OF 8-INCH DIAMETER BORING AT 12 FEE. 15 <br /> Well elevation: EXPLANATION <br /> Date weft drilled: March 6,1998 <br /> Drilling company: Spectrum Clay <br /> Drilled by: Bob Duvall <br /> S:R Modified California Sampler <br /> Bobby Nixon <br /> Sampling Method: Hol!ovr-Stem Auger <br /> Geologist: Steve Osborn El <br /> Sand Z Water level at time of drilling <br /> z, - G- Gravel —V— Static water level <br /> Approved by: <br /> WELL CONSTRUCTION AND LITHOLOGY FOR WELL W-152(pago 1 ort) <br /> NCTS STOCKTON <br /> " Tetra Tech EM Inc. Site IAS-15 <br /> (069-15580201) W-152.CDR 0405991sc:PHB <br />