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1 <br /> Water-tight <br /> DEPTH(feat) traffic box <br /> Ground surface <br /> t) 1' 1""7 Locking <br /> mechanism <br /> g �� Concrete <br /> Portland Cement <br /> 18 <br /> 4 in. Sch. 40 <br /> 24 PVC blank casing <br /> 30 ST <br /> 69.T Borehole diameter- 10.5' <br /> 36- <br /> 42— 4 in. Sch. 40 <br /> PVC screen <br /> 48 <br /> 54 <br /> 80 Bentonite pellets <br /> 66— <br /> 72 Depth to f=ilter Pads <br /> Water 20' <br /> 78 <br /> Threaded End Plug <br /> 2' ;iru« or Slip Cap <br /> 84— <br /> go— <br /> EA <br /> 490EA ENGINEERING, <br /> SCIENCE.AND <br /> TECHNOLOGY <br /> 41 Lafayette Cirde <br /> Lafayette,CA.94549 - <br /> Figure E-1. Representative details of monitoring well EAS, Draw„ Date <br /> Chevron SS 9-7780, Stockton, California. Reviewed Dat <br />