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• o� cow <br /> h� ;90 <br /> n,* COLORADO DIMSTR1 0 A.TION, MINING AND Q-AFETY <br /> /8 * 1313 Sherman Street DMC\thm to 80203 ph(303)866-3567 RECEIVED <br /> p <br /> efjl <br /> REQUEST FOR TECHNICAL REVISION (TR) COVER SHEET MAY 3 12019 <br /> - , File No.: M- 1977-004 site Name: Pitch Reclamation Proje8,,,�"�►o�%,% 410M <br /> Sag uache <br /> County TR# ORMS Use only) <br /> Permittee: Homestake Mining Company <br /> Operator(If Other than Permittee): 3 3 <br /> Permittee Representative: Clark Burton - Head of Operations, Asset Development ET - � <br /> o <br /> N <br /> Please provide a brief description of the proposed revision: <br /> Installation of up to 25 boreholes/piezometers in the former Pinnacle Mine Dump for characterization of source zones and expansion of <br /> phosphate-based injections.Continued field-demonstration scale testing of phosphate-based injections and engineered treatment cell <br /> (ETC)operation. Remove and re-establish sections of the North Pit and South Pit diversion ditches, remove and replace a portion of the <br /> South Pit,perform improvements to the Sediment Control Pond,and demolish the Sand Filtration(Water Treatment)plant. <br /> As defined by the Minerals Rules, a Technical Revision (TR) is: "a change in the permit or application <br /> which does not have more than a minor effect upon the approved or proposed Reclamation or <br /> Environmental Protection Plan." The Division is charged with determining if the revision as submitted <br /> meets this definition. If the Division determines that the proposed revision is beyond the scope of a TR, <br /> the Division may require the submittal of a permit amendment to make the required or desired changes <br /> to the permit. ° o <br /> The request for a TR is not considered"filed for review" until the appropriate fee is received by the <br /> Division (as listed below by permit type). Please submit the appropriate fee with your request to <br /> expedite the review process. After the TR is submitted with the appropriate fee, the Division will <br /> determine if it is approvable within 30 days. If the Division requires additional information to approve a <br /> TR, you will be notified of specific deficiencies that will need to be addressed. If at the end of the 30 <br /> day review period there are still outstanding deficiencies, the Division must deny the TR unless the <br /> permittee requests additional time, in writing, to provide the required information. <br /> There is no pre-defined format for the submittal of a TR; however, it is up to the permittee to provide <br /> sufficient information to the Division to approve the TR request, including updated mining and <br /> reclamation plan maps that accurately depict the changes proposed in the requested TR. <br /> Required Fees for Technical Revision by Permit Type - Please mark the correct fee and submit it with <br /> your request for a Technical Revision. <br /> Permit Type Required TR Fee Submitted (mark only one) <br /> 11 Oc, 111, 112 construction Elmaterials, and 112 quarries $216 <br /> 112 hard rock(not DMO) $175 ❑ <br /> 11 Od, 112d(1, 2 or 3) $1006 ❑ <br />