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Existing Grade <br /> Vault Box <br /> Locking Security Cap <br /> Concret Cap <br /> Casing Centralizers <br /> Groundwateris anticipated to <br /> occur at about 110-125 feet <br /> below surface Cement Grout <br /> Borehole will be advanced to <br /> 15 feet into groundwater or to 4 " Schedule 40 PVC Blank <br /> the aquitard (whichever is <br /> encountered first) <br /> Bentonite Clay, typ 2 feet <br /> 0 = _ Sand pack extended to about <br /> 2 feet above top of slots <br /> Aquifer - <br /> 4" Schedule 40 PVC <br /> Slotted Pipe <br /> 15 Schedule 40 PVC Endcap <br /> --- --- -- <br /> Aquitard Borehole, 8 inch diameter <br /> Note This well detail is schematic only The actual <br /> monitoring well construction will be modified to field <br /> conditions in the exploratory borehole Well slots Monitoring Well Schematic <br /> will be raised to observe for separate phase product <br /> to the point where well seals are not compromised Waterloo School <br /> Modifications may also be made prior to installation Wright Environmental <br /> by regulatory requirement Services, Inc <br /> 4220 Commercial Dr <br /> Tracy, CA 95376 <br />