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HEADSPACE <br /> WELL CONSTRUCTION LITHOLOGY SAMPLE DATA F{£AsuaEMENTS <br /> ��- CHRISIY BOX - - _ _ - -_ --- - - - _ Samp!e Penetration Field <br /> Dcph, LOCKING CAP G r a ph I c No.and Rate Screening <br /> me Log D o s c r I p t I o n 1werval (BlocvsM.) (ppm) <br /> ROAD BASE.Sand and gravel,6lnches thick. <br /> OWMETER SILTY CLAY(CL),dark greenish gray(5GY 4/7),moist,soft <br /> SCK 40 <br /> no odor. ----- <br /> BLAN7(PVC <br /> ----- / CASING --- - <br /> 0.0 <br /> / <br /> t0 �� '/ CEMENT — Same as above. t 0.0 <br /> / GROW <br /> SILTY SAND(SM),dark greenish gray,,loose,rmo,noodor. ----- <br /> / Grados to SILTY CLAY(CL),dark greenish gray. <br /> T7pofsampler,Wetat75feet. _____ <br /> r / — CLAYEYSILT(ML),black(N 2-5)7,moist soft no odor. <br /> / — <br /> - - 0.0 <br /> &INCH DIA. SILTY CLAY(CL),dark greenish gray(SG Y 4/7),moist.sot <br /> BOREHOLE - no odor, <br /> /. Grades to more sandy at 2D feet. <br /> 20 Grades to more clayey at 21 feet 20 0.0 <br /> ----- BF-NTONITE _-- - - - Grades to more sandy(very flne). ----- <br /> PELLETS SILTY SAND(SM),brown(10YR S/3),wet loose,n o odor. <br /> ---- <br /> 25 •' r A2f12 SAND �' 7:•�: 25 0.0 <br /> 2-INCH -- ----- <br /> DWAETER <br /> PERFORATED -_ Grades to SILTY CIA Y(CL). ----- <br /> PVC CASING - ,• <br /> (0.0104nch - - -`� BOTTOMOFBORINGATJOFEF:T. <br /> srasl — ToLi <br /> 0.0 <br /> EXPLANT CM <br /> We9 elevation: <br /> Date welt drifted., Apra 20.1999 F7 Chry <br /> Drilling company., Spectrum <br /> Drilled by: Dave Gonzales � Sdt <br /> Angel Yanez <br /> Sampling Method., HollowStemAuger El Sand <br /> Geologist: T Watchers <br /> F, Gra vol � Watcr level at time of drll!!ng <br /> Approved by: <br /> WELL CONSTRUCTION AND LITHOLOGY FOR WELL W-241 (page Iof 1) <br /> NCTS STOCKTON <br /> MM Tetra Tech EM Inc. Site 7 <br /> ;'050dSTP0201)V12:1.COR C62900j—PHB <br />