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Mr. Lance Barker <br />June 2, 2015 <br />Page 2 <br />6.4.21 EXHIBIT U — Designated Mining Operation Environmental Protection Plan <br />3. Section 2 Maps, page 2 — The last sentence indicates maps will be updated in the future. <br />The entire reason for this DMO status and the required Environmental Protection Plan <br />(EPP) is to identify where and how the POTENTIAL acid generating material will be <br />handled. Submit a map IN LEGIBLE FONT (see Comment No. 7 below) so the Division <br />can adequately determine if appropriate measures are in place to separate the POTENTIAL <br />acid generating material. BE AWARE, pursuant to Rule 6.4.21 (1 0)(a) design specifications <br />certified by a licensed professional engineer for all Environmental Protection Facilities must <br />be provided. This includes stormwater diversions and EPPs designed to separate <br />POTENTIAL acid generating material. <br />4. Section 7 Facilities Evaluation, page 4 — The first sentence states "... There are no <br />geological or geochemical conditions ... that might require ... specific environmental <br />protection including acid rock generation...". See Comment No. 2 above! Revise this <br />section so the Division can adequately determine if appropriate measures are in place to <br />separate the POTENTIAL acid generating material. <br />5. Section 10 Surface Water Control and Containment Facilities, page 6 — The second <br />sentence states "As no acid generating materials ..." See Comment No. 2 above! Revise <br />this section so the Division can adequately determine if appropriate measures are in place to <br />separate the POTENTIAL acid generating material from stormwater run on and runoff. <br />6. Section 14 Geochemical Data and Analysis, per— The second sentence states "...free <br />sulfur is nearly non-existent". See Comment No. 2 above! Further, this paragraph implies <br />the CC&V mine produces no acid -generating material. This mine in fact does and has <br />implemented EPPs to address appropriately control this material. Because the <br />POTENTIAL is there at the Mineral Mountain Project as indicated in the cited September <br />2014 geochemical data report, the Division expects a commitment to analyze any material <br />mined from the Mineral Mountain Project similar to Sample MH -3 (reference <br />aforementioned September 2014 geochemical data report) or having greater probability of <br />acid generating potential. <br />7. Exhibit E -IA, Map — The submitted map is not only unacceptable, it is unprofessional. The <br />scale is obviously not 1 inch equals 60 feet as is blatantly observed by the 5/16 inch scale <br />bar. The font on the submitted drawing was measured to be 0.4 millimeters high. Come on <br />Mr. Braun, show some professionalism! Resubmit this map in accordance with Rule <br />6.2.1(2)(e). <br />Please be advised the Mineral Mountain Project Application may be deemed inadequate and the <br />application may be denied on June 5, 2015 unless the abovementioned adequacy review items are <br />addressed to the satisfaction of the Division. If you feel more time is needed to complete your <br />m 1min;tcll_tellertm-2014-045 mineral mtn prj1cn0l\par-02jun15m-14-45.docx <br />