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WELL CONSTRUCTION LITHOLOGY SAMPLE DATAHEADSPACE <br /> MasuRBIAENfs <br /> Sampo Penetration PID <br /> Depth. Graphic No.and Rate <br /> i e (Ds tipavi Log D e 5 C r I p t i o n Interval (Bims/fl.) (Ppm) <br /> I{ i/ Silly Sand(same as above),gravels up to 0.5-inch <br /> diameter. _.. <br /> t <br /> CEMENT/ <br /> BENTQNRE <br /> GROUT <br /> 40 <br /> ii 40 <br /> Same as above. — <br /> // <br /> lI! / <br /> 45 <br /> Driller noted change at 45 feet to"Gay". 45 <br /> SANDY SILT(ML),50%fine sand,subangular. <br /> _= 50 <br /> DIAMETER <br /> SCH.8TER <br /> '— <br /> / CH.80 -- <br /> .... JiIN PVC <br /> CARIN —.— <br /> CG =— — <br /> SANDY GRAVEL(GP),angular gravels up to 0.75-inch <br /> /i diameter,40%fine to coarse sand. <br /> 55 /i i 55 <br /> 60 60 <br /> Same as above. — <br /> . .e. e <br /> Driller noted 1'interval of sand ii 62 to 63 feet SILTY SAND(SM),t0%fines,fine- medium-grained <br /> sand,subangular. <br /> Sandy gravel(same as above). <br /> J 70 i ,i - 70 <br /> i'- EXPLANATION <br /> Drilling company. WDC <br /> -J Date drtiled: April 15,2003 Clay <br /> Drilling method: Mud Rotary <br /> -0 Northing: 433258.44 Silt <br /> Easting: 1733595.58 <br />_...3 T.O.C.elevation(feet,MSL): 152.04 <br /> Sand <br /> LFR Geologists: James ElserUDen Schreiner <br /> Gravel <br /> Approved by: <br /> CONSTRUCTION AND LITHOLOGY FOR WELL PW-1 (page 2of7) <br /> Tracy Tire Fire Site <br /> 1 r, San Joaquin County,California <br /> LEVINE o FRI CKE <br /> 003-09025-02-0 0_M-15 071600I.DAH <br />' I <br /> I } <br />