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The Leadville Mill M 1990-057 <br /> EXHIBIT C—MILL PLAN <br /> Page 4-35 <br /> t TFUel( haulage te eentFel fugitive ,dust speed limits of 1 C <br /> miles peF heuFfOF haul trueks will be posted to lifflit Fead dust; <br /> • When n ecessaFy,—read, will be peFi0dically SpFayed—w;in <br /> t ❑MPs will be inspected twice a nth and a4eF S .,ifi,- + <br /> , <br /> , <br /> • Read—EeRStFiEt+e n and m a i nten a n ee will be FE)��ely <br /> sediment EeRtFOI StFUEtWes; and <br /> Regulated FnateFials will be tFans!30IFted by CDOT and US <br /> e Nen ctOff,,.,-teF DisehaFge-LBEatiens: Pion +,-..-m,.,-teF ,diseharg s <br /> are not antiemported to OCCUR Ne Fnan indueed—spFiRgs landscape <br /> e Receiving \A/ateFS'. TTe—'Ill�Tail peFfflit aFea is leeated <br /> a� tely--8 t ort l-e Ea ar„Ta--tea U I G h, tFl�ta Fy to the <br /> rAFI(aiisas icivcr. The unnamed eprhremeral channel draining the mill <br /> site . my flews i e to snow ell .d +huR d.,.Ste eff <br /> • Wetlands: TheFe aFe RE) desigRated wetlands eF riparian lands within <br /> Storm Water Management Plan data and BMP details are shown in Appendix 4-1. 23 <br /> 4 .4 EXISTING HISTORIC ORE STOCKPILES <br /> Existing ore stockpiles have been stored on site since 1991. The stockpiles, until they <br /> are reprocessed or disposed in the TSF, will be maintained in the following manner to <br /> mitigate the potential in generating acid rock drainage (ARD). The following measures <br /> will be implemented to mitigate potential surface or groundwater contamination <br /> impacts Stockpile ores will be reprocessed or disposed in the TSF prior to processing <br /> or disposal the stockpiles. The following measures will be maintained: <br /> 23 A1AR1Q12 <br />