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r r r r r r r r r r r r r r r r r 1 1 <br /> TABLE I WELL CONSTRUCTION DETAILS,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE STOCKTON CALIFORNIA <br /> Well Elevation Total Well Borehole Casing Screened Slot Filter Pack <br /> Well Installation TOC Casing Depth Depth Diameter Diameter Interval Size Interval Filter Pack <br /> Number Date (feet) Material (feet) (feet) (inches) (inches) (feet) (inches) (feet) Material <br /> IP2B 09/21/04 SS 40 36.5 8.25 0.75 33-36 0.01 32.5-36.5 #2/12 sand <br /> (30.5-32.56) <br /> (24-28.5) <br /> IP3A 09/22/04 SS 40 31.5 8.25 0.50 29.5-30.5 0.02 29-31.5 #3 sand <br /> (26-29) <br /> IP3B 09/22/04 SS 40 39 8.25 0.75 35-38 0.01 34-39 #2/12 sand <br /> (34-356) <br /> (26-296) <br /> a Well surveyed in October 2001. Vertical datum is based on City of Stockton Benchmark#265,a chiseled cross on the sidewalk on the east side of <br /> Pershing Avenue,south of March Lane on E.B.M.U.D.easement. <br /> b Bentonite seal. <br /> PVC Polyvinyl chloride. <br /> TOC Top of casing. <br /> SS Stainless steel. <br /> • The UVB well has two screen intervals separated by a bentonite seal.The screen and filter pack intervals are listed above. <br /> -- Information not known. <br /> Note:IPIA and IP113,IP2A and IP2B,and IP3A and IP313 are nested wells. <br /> g9projedaV3942\pub1ic\wel1 cooawetion\3942welldeleila.xlx Page 3 of 3 <br />