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Project No.59482-06-02 <br /> March 30,2012 <br /> Page 1 of 1 <br /> TABLE4 <br /> SUMMARY OF WELL DESTRUCTION METHODS-OVERDRILLING 1-INCH PVC WELLS <br /> 5400 AND 5606 PACIFIC AVENUE <br /> STOCKTON,SAN JOAQUIN COUNTY,CALIFORNIA <br /> Diameter of <br /> Depth to Blank Screened Sand Bentonite CemenU Casing Original Augers <br /> Well ID Latitude Longitude Bottom Casing Interval Pack Seal Grout Diameter Boring Destruction used to Date of <br /> (ft) (ft) (ft) (ft) (ft) (ft) (in) Diameter Method Destroy Destruction <br /> (in) Well <br /> (in) <br /> AS-14 38.0005389 -121.3160729 72 0 to 69 69 to 71 68 to 72 65 to 68 0 to 65 1 8 HSA Drill out 10 127/2012 <br /> AS-17 38.0003402 -121.3159849 75 0 to 70.5 70.5 to 72.5 69.5 to 75 66.5 to 69.5 0 to 66.5 1 8 HSA Drill out 10 120/2012 <br /> AS-18 38.0003113 -121.3159754 63 0 to 60 60 to 62 58 to 63 55 to 58 0 to 58 1 8 HSA Drill out to 1/19/2012 <br /> AS-20 38.0002533 -121.3160297 105 0 to 102 102 to 104 101 to 105 98 to 101 0 to 98 1 8 HSA Drill out 10 1/24/2012 <br /> AS-21 38.0002179 -121.3160093 105 0 to 102 102 to 104 100.5 to 105 96 to 100.5 0 to 96 1 8 HSA Drill out 10 1/23/2012 <br /> Notes: ft=Feet <br /> to=Inches <br /> HSA =Hollow-stem auger <br />