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i~ <br />G <br />April 16, 1993 <br />Mr. John Hardaway <br />Homestake Mining Company <br />1726 Cale Boulevard <br />Golden, CO 80401 <br />Dear John: <br />Project No. 34-0028 <br />I azn enclosing acid-based accountability results completed by Cote Labotatories, on the waste rock <br />sample that you provided from the Bulldog Mine. The waste rack sample is indicative of material <br />that is unlikely to be an acid ptroducer. <br />The acid-neutralizing potential ofshe sample exceeds the acid-generating potential by a factor of 5 <br />based on the pyritic sulfur content, and by a factor of 30 based on pyritic sulfur as determined by <br />peroxide oxidation. Since the acid-neutralizing potential of the sample is so high, no additional <br />kinetic (humidity cell) testwork is warranted on this mazerial az this time. <br />If you have any further questions, please do not hesitate to call. <br />Youts truly, <br />GEOCHEM, <br />a Division of Terra~Va~c > <br />Roman Z. PynK, Ph.D. <br />Principal Geochemist <br />RZP/pjk <br />Enclosure: Core Laboratories Report <br />~ cam: ,ar,,,~,,,.t <br />GEOCHEM <br />Heavy-Mafola Spaciolisfs <br />TERRR <br />VRC <br />R Division Of <br />Subsurface Remediotion Specialists <br />"Environmental Stewardship" <br />12265 W. Bayaud Ave., Ste. 740, Lakewood, CO 80228, {303) 988.8902, Fax (303) 988-0288 <br />a.~_ _«. _ _ ,. <br />