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J. J. Dudash -3- December 15 2008 <br />BRL - Please see amended page 2.05-70. <br />9. DRMS - The probable hydrologic consequences table on revised page 2.05-73 <br />presents analyses for flow, TDS, manganese and iron. However, the current <br />NPDES permit requires sampling for other chemical constituents as well. Please <br />revise the PHC table and discussion to include analyses for all of the chemical <br />constituents that will be included in the soon to be revised NPDES permit. <br />BRL - Please see amended page 2.05-73i. <br />10. DRMS -On proposed page 2.05-69, please change D-8 to B-8 in the table. <br />BRL - The requested change was made on page 2.05-69. <br />11. DRMS - Please demonstrate compliance with Rule 4.05.10(2), if applicable. <br />BRL - See amended page 2.05-70i. <br />12. DRMS - Please demonstrate compliance with Rule 4.05.16(4) for discharges of <br />underground water to the surface. <br />BRL - Amended page 2.05-70i shows the mine water discharge will be in <br />compliance with the water effluent limitations of 4.05.2 which satisfies rule <br />4.05.16(4). <br />13. No response required. <br />Volume I Amended pages iii, 2.05-69, 70, 70i, 71, 72, 73, 73i and 74 are enclosed. <br />Volume II New Map 41 shows the mine discharge pipe alignment. <br />Volume III Tab 11 - Amended discharge permit <br />Volume IIIA Tab 13 - CDOT utility permit # 14217 <br />Sincerely, <br />Wtoer, P.E. <br />Consulting Engineer <br />cc: Wm. A. Bear, Jr.