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RECEIVED <br /> ✓RPM,Inc. 4 2��7 <br /> 4,44—eh OF <br /> February 8, 2017 OW) WM <br /> Ms. Amy Eschberger <br /> Division of Reclamation, Mining and Safety <br /> 1313 Sherman St., Room 215 <br /> Denver, CO 80203 <br /> RE: Response to adequacy questions, Sugar City Mill,NOI File No. P2017-002 <br /> Dear Ms. Eschberger; <br /> In your adequacy letter for the Sugar City Mill, file number P2017-002,you requested we <br /> address the following: <br /> (1) "Please register this company (Mount Falcon Processing, LLC)name with the State or <br /> submit revised documents to include a company name that is registered with the State." <br /> Response: <br /> We have registered Mount Falcon Processing, LLC with the Colorado Secretary of State. The <br /> registration does not yet appear on their website. We will provide the Division verification of <br /> our registration, once the Secretary of States concludes its process. <br /> (2) "In Attachment IX- Groundwater Monitoring Program, Table 1-Recommended Water <br /> Quality Testing Parameters...The Division will accept the exclusion of Asbestos, Chlorophenol, <br /> Odor, and Phenol. However,the Division does not approve of the exclusion of Antimony, <br /> Arsenic, and Cyanide from the baseline characterization of the site." <br /> Response: <br /> We have included a revised Table 1 (attached)which shows the requested parameter additions. <br /> We request the DRMS consider a revised parameter list if sampling demonstrates certain <br /> parameters are either non-detect or significantly below the pertinent water quality standard. We <br /> understand adequate sampling must be done in order to establish which parameters might be <br /> excluded. <br /> 1 <br /> Respectfully, <br /> Bruce Humphries <br /> Consultant for Mount Falcon Processing,LLC <br /> RPM,Inc.,22151 E.Euclid Pl.,Aurora,CO 80016 Phone:(303)854-7499 Email:hlhumphries2(a)comcast.net <br />