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Knight Msold <br /> Ms. Christina L. Kamnikar -3- January 28, 1998 <br /> Environmental Protection Specialist <br /> 6) 1 cannot explain the increase in gross alpha and mRa. At a minimum, these changes <br /> should be examined and explained. <br /> There was not an increase in the n6Ra with any of the samples in the original data (0.5, <br /> 0.6, 0.5 and 0.2 for samples 1516-1, 1516-1A, 1516-2, and 1516-3, respectively). The <br /> increase in gross alpha is explained in response to question 4 above. <br /> 7) There needs to be some explanation of the values reported as <;=; what were these <br /> values originally. <br /> The enclosed table provides the original data as presented by ACZ laboratories. <br /> 8) RECOMMENDATIONS <br /> 1 would also like to know how pH was handled; what were the original pH values. <br /> The pH results presented to the DMG are the original values from the samples. These <br /> values were not altered based on the modified SPLP. <br /> Regarding the processing of the ore and the chemicals which will be used in the process, <br /> this information will be provided following approval for release by Elkhead Joint Venture. <br /> This information may be provided sooner if the information will be considered confidential <br /> in the DMG files. <br /> If you have any questions regarding these responses or additional comments, please call either <br /> Richard Weber at (702) 738-2265 or Dr. Ron Schmiermund at (303) 629-8788. <br /> Sincerely yours, <br /> Knight Pidwld LLC <br /> ,,�e:; 0%.4_ <br /> Richard A. Weber, M.Sc. <br /> Environmental of Environmental Services <br /> RAwicb <br /> Attach. <br />