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Him <br /> The Leadville Mill M 1990-057 <br /> EXHIBIT U—DMO-EPP <br /> Page 14-10 <br /> • A14 Ore in process (from theincludes course ore bin through thickeners and <br /> filter presses will be cleaned out.) lhk iWil he arzewnplish per standard <br /> nermal operation procedures (SOPs). At full capacity, the moll cannet hal <br /> 1vr�eti-aYT��tlFrte�s to l m"I ��I--m—^+er'a I will rener+ +o c'+-h p +h <br /> e <br /> Gancen+r^+e r-emsupeFae ks for sale or to the UP <br /> • Liquid reagents in piping will be manually drained into buckets or pumped <br /> back in their barrels and disposed in accordance with applicable federal, State <br /> and County regulations. <br /> • Remaining solid reagents, ore, to concentrates will be disposed in the TSF. <br /> • Once a4 material in the system is processed, remaining process water will be <br /> pumped through the system to clean pipes, tanks, mill, float cells and <br /> thickeners, and will report to the TSF. <br /> • During temporary cessation, liquid reagents and lubricants will be kept in <br /> their original barrels/overpack containers within everpacks, and solid <br /> reagents in their bags. Inventory will remain in secured Mill Building. which <br /> • There is ne n anent diesel steFage enci+e Annrevimately 100gal of diesel <br /> fi,el ,ill he Len+ in +r-+ne•fer tank mounted an a par;!( up +r r-A There are no <br /> bulk petroleum storage tanks onsite. Diesel fuel will be kept in a pickup truck <br /> transfer tank.62 <br /> • During closure reagents will be either sold, recycled, or pFoperl disposed of <br /> at an EPA approved disposal facility. <br /> • Lubricants will be c^"^r+^4' in harrele ,nod r .,e 1^,r ^*the'^,,' 1^ndfi" recycled <br /> at an approved facility Incial kand—fie".63 <br /> (iii) Toxic and/or Acid-Forming Material Handling <br /> Received Run-of-Mine Ore (RoM) will be Fecei ed at the, ^"ill -,rd- initially stored on the <br /> RoM Pad. i eeneFete bunk Fs cep as to allow f9F easy access for n cess;Rg and to <br /> prevent potential eaching into the . The pad is designed to allow easy access to <br /> transfer the ore to mill while containing potential ore leachate from entering the <br /> environment. <br /> 61 A1AR1Q39 <br /> 63 A1AR1Q40/Q41 <br /> Version 3.0 January 2021 <br />