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WELL CONSTRUCTION LITHOLOGY SAMPLE DATA M" 6p�'" <br /> Sample Penetration PID <br /> ,..� Graphic No.and Rate ) (ppm) <br /> °g Description oa <br /> Depth, L Interval (alsld. <br /> met (Contwed...) <br /> Gravel(same as above). <br /> BENTOCHIPS I E <br /> CHIPS <br /> ,...I 145 145 <br /> Same as above. <br /> 64KH <br /> `-� DIAMETER _. <br /> scH.80 <br /> BLANK <br /> PVC <br /> CASING <br /> 1� Same as above. 150 <br /> 155 155 <br /> Duller noted change at 155feet. <br /> SANDY SILT(ML),15%fine sand,medium plasticity(after <br /> _ drying from mud). <br /> 160012SAND _= 760 <br /> 117 Same as above. <br /> Duller noted gravel interval-164-165. -- <br /> SANDY GRAVEL(GW),well graded,subangular,fine-to 165 <br /> 165 — medium-grained sand. <br /> —-- Back medium sandy silt,same as 168 feet <br /> 17064NCH --- 170 <br /> O1,1CH R Change to SANDY GRAVEL(GW),well graded,subangular, <br /> >-::. f PERFORATEO 38%fine-to coarse medm grained sand. ....... <br /> CASING PVC <br /> d.• --'_.. <br /> : CASING . <br /> T <br /> + i o <br /> ..) 175 ._ - 775 <br /> ?j EXPLANATION <br /> -.) Drilling company. WDC <br /> Date drilled: Apol 15,2003 Clay <br /> Drilling method: Mud Rotary _ <br /> I.. Northing: 433258.44 Sift <br /> Easting: 1733595.58 <br /> -- T.O.C.elevation(feet,MSL): 152.04 Sand <br /> LFR Geologists: James Eiseri/Dan Schreiner <br /> Gravel <br /> Approved by: <br /> CONSTRUCTION AND LITHOLOGY FOR WELL PWA fpage5 of 7) <br /> Tracy Tire Fire Site <br />;..J San Joaquin County,California <br /> LEVINE a FRI CKE 003-09035-03-000_PW-te 071603iscJAN <br />: 3 <br /> l <br />._i <br />