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WELBrRN <br /> SULLIVAN MECK & TOOLEY, P.C. <br /> August 24, 2021 <br /> Via First Class U.S. Mail and <br /> Email(Dustin.Czapla@state.co.us) RECEIVED <br /> AUG 3 0 7,021 <br /> Mr. Dustin Czapla <br /> Division of Reclamation, Mining and Safety DIVISION OF RECLAMATION <br /> 1313 Sherman Street, Suite 215 MINING&SAFETY <br /> Denver, Colorado 80203 <br /> Re: Objection to Application of Union Milling Company, LLC <br /> Leadville Mill—File No. M-1990-057 <br /> Permit Conversion Application(CN-1) <br /> Dear Mr. Czapla: <br /> On behalf of the Leadville Sanitation District ("District"), I am writing to object to the <br /> Permit Conversion Application filed by Union Milling Contractors, LLC ("Applicant") for the <br /> Leadville Mill owned by CJK Milling Company for the reasons set forth below. <br /> The Applicant, which operates the Leadville Mill, plans to significantly increase the size, <br /> scope and impact of its current operations. Its proposal to convert its 110d permit to a 112d permit <br /> involves doubling the capacity of ore processed from 200 to 400 tons, expanding the Tailings <br /> Storage Facility("TSF"), and adding cyanide vat leaching. <br /> The Leadville Sanitation District owns and operates wastewater treatment facilities <br /> servicing Leadville and surrounding communities. The District's facilities are located adjacent <br /> and immediately to the east of the Leadville Mill. The District has a sewer line that runs through <br /> the site of the Mill and a polishing pond that lies within 200 feet of it. Other District facilities are <br /> located nearby on the District's property. The District is concerned about the impacts this permit <br /> conversion and expansion will have on its water treatment operations. A memorandum prepared <br /> by JVA Consulting Engineers("JVA Memo")explaining some of the District's technical concerns <br /> is attached as Exhibit A. <br /> Water Quality <br /> The District's Colorado Discharge Permit System ("CDPS") permit from the Colorado <br /> Department of Public Health and Environment ("CDPHE") requires the District to sample and <br /> (00907008.1) <br /> 1401 Lawrence St., Suite 1800 • Denver, CO 80202 159 N. Wolcott, Suite 220 • Casper, WY 82601 <br /> 303.830 2500 307.234.6907 <br /> wsmtlaw.com <br />