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<br />Ms. Lori Potter ~ ~nC <br />October 10, 1999 <br />Page 3 <br />Paae 10. Comment No. 2.L. and Response <br />RMC does not have a copy of TR-15. Therefore, we can not comment on the applicability or <br />appropriateness of the water quality standards set for well M-11 R. <br />Page 11, Response to Comment No. 2.M. <br />Again, RMC does not have a copy of TR-15. Therefore, we can not comment on the standards and <br />compliance points referred to in this response. <br />RMC disagrees with the statement that "(tJhe performance monitoring program has bedn designed to <br />provide information necessary to address the issue ofgroundwater quality in the vicinity of the West Pit." <br />As discussed above, the groundwater monitoring network would not include any welly in the "window." <br />RMC believes that it is necessary to include wells in the window area to verify that the~West Pit <br />dewatering system is performing its designed function. <br />RESPONSE TO ROCKY MOUNTAIN CONSULTANTS, INC. COMMENTS <br />Page 20, Response to General Comment No. 2. <br />RMC has not performed an extension evaluation of the surface water database. However, as discussed <br />above, gross alpha activity at station RS-5 appears to exhibit the same increasing trend in recent years that <br />is present in the sulfate and manganese data. Please prepare and submit temporal plots of all constitutes <br />monitored at station RS-5. <br />FIGURE 1 <br />The conceptual groundwater contours depicted on this figure are actually those that would be expected <br />Burin remediation, not after. <br />ATTACHMENT B, GENERAL COMMENT <br />The words probably, may, possible, apparent, should, and potentially occur a total of 16 times in this 7%z <br />page document. I think that we'd all feel more comfortable if BMRI expressed a little more confidence in <br />their pilot program. <br />