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Jamj= 9. 1996 -6- 933-2713,005 <br /> ► The compatibility of the mine seepage with the anaerobic treatment cell <br /> would need to be verified through column or pilot scale testing. <br /> ► The longevity of effective treatment would need to be determined <br /> through a column test. <br /> ► Replacement of the organic substrate, if required, may necessitate <br /> construction of a temporary treatment cell. This could be done through <br /> a tank of organic substrate. <br /> ► The ability to successfully reclaim the site and reduce flows to 50 gpm <br /> or less would need to be verified. <br /> ► The assumed residence time of 10 days would need to be verified <br /> through a column test. <br /> ► The ability to construct a three stage treatment system would need to be <br /> determined through site specific geotechnical evaluation. <br /> Should you have any questions or comments concerning this brief letter please do not <br /> hesitate to contact me. <br /> Sincerely, <br /> GOLDER ASSOCIATES INC. <br /> It <br /> dod. Miller <br /> Senior Project Manager <br /> Environmental Services <br /> SHM/rtm <br /> cc: M. Logsdon <br /> T. Mudder <br /> Attachments Figures <br /> References <br /> Golder Associates <br />