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Cement sanitary seal <br />10 feet minimum <br />/ <br />/%1 <br /> <br />/ I <br />\ <br />— I <br />, <br />\ <br />/ <br />Proposed Monitoring <br />Well Construction <br />(not to scale) <br />Standing Monument <br />Wellhead cover <br /> Cement base <br />// \ <br />Land surface <br />4" PVC casing <br />Bentonite clay <br />2 ft minimum <br />transitional seal <br />Borehole (2 inch minimum <br />radial thickness between <br />casing and borehole wall) <br />Sand filter pack <br />Slotted well screen <br />1 ft Sump <br />Flush threaded or slip cap <br />with stainless steel screws <br />HYDRJFOCUS <br />Solutions for Land and Water Resources <br />Typical Monitoring Well Construction, Above Ground Completion <br />Figure <br />3b <br />PROJECT: 5084 DATE: 6/15/2017