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Former Moresco Property Page 5 <br /> Site Characterization Work Plan <br /> Appendix A <br /> Project No. 251.2 <br /> March 14,1995 <br /> installing 100 pounds of granular bentonite that.will be hydrated with tap water and:be allowed to <br /> m expand for a period of one hour. In the remaining annulus,neat cement grout will be installed using <br /> a slurry pump and tremie pipe. <br /> The well will be secured with a water tight locking cap encased within a traffic safe well box. A well <br /> construction schematic is attached as Figure 3. <br /> Relative well collar elevations may be surveyed by.a competent surveyor. <br /> 2.10 Monitoring Well Development <br /> Within 48 hours of well installation after well sealing materials have had time to set, each monitoring <br /> well will be developed by mechanical surging and pumping until a dear stream is obtained. All <br /> down hole equipment will be decontaminated before and between uses. Development water will be <br /> removed from the well using either a bailer or a,submersible pump and containerized in D.Q.T. <br /> approved drums (labeled contents under analysis) to await proper disposition. After development <br /> rthe wells will be allowed to stabilize before they are purged and sampled. <br /> 6 <br /> L <br />, L • <br />