Laserfiche WebLink
TheestimatedflowrateandmeasuredfieldparametersareincludedinAppendix1, Attachment <br />8ofthisreport, andtheanalyticaldataissummarizedinAppendix2, Table5. <br />WasteRock <br />Noorewasminedandnowasterockwasproducedinthesecondquarter2015. TheMineis <br />currentlyintemporarycessationstatuswithonlymaintenanceandmonitoringactivitiesbeing <br />conducted. EFRIhassuspendedthequarterlywasterocksamplecollectionuntilsuchtimethat <br />miningoperationsresumeandwasterockremovalfromtheMinerecommences. <br />ProductionratesoforeandwasterockaresummarizedinAppendix1, Attachments9and10, <br />respectively. Analyticaldatafrompreviouslycollectedwasterocksamplesaresummarizedin <br />Appendix2, Table6. <br />SedimentPond <br />ThesedimentpondhasbeenmonitoredsinceitsconstructioninNovember2008inaccordance <br />withtheColoradoDivisionofReclamation, Mining, andSafetystipulations. Althoughstorm <br />eventsandsignificantsnowmelteventshaveoccurred, nonehaveresultedinstormwater <br />dischargefrom the pond. <br />Asaresult, nostormwatersampleshavebeencollectedfromthepond <br />todate. EFRIwillcontinuetomonitorthesedimentpondfordischargeandwillcollectsamples <br />intheeventthatadischargeisobserved. <br />DoloresRiver <br />InaccordancewithBLMstipulationstotheMinepermit, theDoloresRiverisrequiredtobe <br />monitoredforseleniumupstreamanddownstreamfromtheconfluenceofLumsdenCreekwhen <br />allofthefollowingconditionsaremet: <br />1) TheMinetreatmentplantisdischargingtreatedwater, <br />2) ThereiscontinuousflowfromthemiddletributaryofLumsdenCreektotheDolores <br />River, and <br />3) SeleniumlevelshavebeeninexceedanceoftheCDPSpermiteffluentlimitsinthepast <br />twoyears. <br />Becausewatertreatmentofminewaterhasbeensuspended, itwasunnecessarytomonitor <br />LumsdenCreekfordischargetotheDoloresRiverinthesecondquarter2015. EFRIwill <br />commencemonitoringtheDoloresRiverfordischargefromLumsdenCreekandtakesamples, <br />asnecessary, atsuchtimethattreatmentanddischargeofminewaterresumes. <br />HydrologicalMonitoringSummar <br />1 RefertoAppendix2, Table7forthehydrologicalcompliancemonitoringsummaryandstatus <br />fortheMine. <br />9