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WELL CONSTRUCTION LITHOLOGY SAMPLE DATA MEASUREMENTS <br /> Sample penetration PID <br /> -., Graphic No.and Rate (ppm) <br /> Depth. (Conavmd...I Log D e s c r i p t i o n Interval (Blvesa) <br /> met <br /> Z12 SAND <br /> &NCH <br /> -'-) DIAMETER <br /> PERFORATED <br /> SC H 40 C <br /> CASING <br /> (6 azo-md, <br /> b ) <br /> ...._ 275 .. <br /> — 215 <br /> Sandy gravel(same as above). <br /> WC CAP <br /> e <br /> " vv -�' - •";•oT Well sat at 216 feet on bottom. <br /> iivv <br /> `—COMPACTED <br /> SLOUGH <br /> 220 220 <br /> vvv v SANDY CLAY(CL),medium plasticity,with 10%fine sand. <br /> BOTTOM OF 12-INCH DIAMETER BORING AT 222 FEET <br /> BGS. <br /> ;..� 225 — 225 <br /> F <br /> i <br /> (I <br /> 1 <br /> : 3 <br /> '( EXPLANATION <br /> Drilling company. WDC <br /> Date dried: April 15,2003 Clay <br /> Drilling method: Mud Rotary _ <br /> '...1 Northing: 433258.44 Sift <br /> Easting: 1733595.58 <br /> T.O.C.elevation(feet,MSL): 152.04 � Sand <br /> LFR Geologists: James EiserHDan Schreiner <br /> Gravel <br /> ,..1 Approved by.' <br /> CONSTRUCTION AND LITHOLOGY FOR WELL PW-1 (page 7of7) <br /> Tracy Tire Fire Site <br /> .1 r, San Joaquin County,California <br /> LEVINE®FRICKE 0010808-02-000_FM-1g 0716WI=JAH <br /> I <br />