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., <br /> <br />~~ <br />a <br />samples, at least until such time that it can be <br />demonstrated to the Division that reliable conductivity <br />measurements can be obtained and a consistent <br />relationship to TDS values established and, <br />c. modify the hydrologic monitoring plan to include a <br />laboratory analysis of specific conductivity whenever <br />problems are encountered with field equipment or commit <br />to collecting samples a second time if field measurements <br />are suspect the first time. <br />we anticipate issuing a proposed decision and revised findings of <br />compliance document for the Edna Mine permit renewal by the end of <br />July. <br />Sincerely, <br />Lavk rr~/P. Routten <br />Senior Reclamation Specialist <br />c: Susan Morrison <br />c:\wp51\1r79 <br />