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HF.ADSPACE <br /> WELL CONSTRUCTION LITHOLOGY SAMPLE DATA rrEASUREMENTS <br /> C14RISTYOOX Sample Penetration Field <br /> OcPirt LOCKING CAP Graphic <br /> No.and Rate Screening <br /> !�I / Log D o s c r I p t 1 o n Interval (BIOVrs/R.) (ppm) <br /> ` ROAD BASE-sand and gravel,61rdies thick. <br /> / 2-INCH <br /> DIAMETER <br /> CEMENT / // SCII.40 — — SILTY CLAY(CL),dark greernsh gray(5GY 411),moist,soli, <br /> _____ GROUT <br /> / BLANK PVC — no odor. <br /> CASING <br /> BENTONITE <br /> 5 PELLETS 5 7 0.0 <br /> BOREHOLE <br /> 02/12 SnrrD --- CLAYEY SILT(ML),black(N 2.5Q,rrroB4 sort,no odor. 7 OD <br /> 0 _ _ 10 <br /> SILTY CLAY(CL),dark greenish gay(5GY 411),ma1sL soft, <br /> :." --- no odor. ----- <br /> _____ . . Z41CH ---- <br /> DIAMETER <br /> --DIAMETER <br /> ----- PERFORATED --- —_ <br /> ..• PVC CASING — Same as above. <br /> rs b0'DMcn _ _ _ BOTTOM OF BORING AT 15 FEET. I2 0.0 <br /> EXPLANATION <br /> Well elevation: F ] Clay <br /> Dose weft drilled: April 20.1999 <br /> OrIlling company: Spectrum Silt MnrSRed California Sampler <br /> Drilled by. Dave Gonzales <br /> Angel Ynnez E:J Sand <br /> Sampling Method: Hollow-Stem Auger <br /> Geologist, T.Vlaichers � Gravel <br /> Approved by: <br /> WELL CONSTRUCTION AND LITHOLOGY FOR WELL W-240 (pagotot 1) <br /> NCTSSTOCKTON <br /> Tetra Tech EM Inc. Site 7 <br /> (o,,925180201)tv-24aCOR 052500j-PlIBJMJO <br />