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<br />Ms. Lori Potter <br />October 10, 1999 <br />Page 6 <br />Inc <br />Where will the water pumped from the Pink Gneiss Pit wells be disposed? Review of fhe BMRI analytical <br />database indicates that, in addition to high metals concentrations, samples produced by well BF-7 have <br />elevated gross alpha activity (average of 98 pCi/L, n = 5). <br />DMG TECHNICAL REVIEW LETTER <br />RMC also reviewed the DMG's technical review of BMRI's response to the TR-26 adegluacy letter. The <br />DMG's response was dated September 15, 1999, and included two internal DMG merho's to )im Dillie <br />from Harry Posey and dated September 10, 1999 as attachments. In addition to our comments above, <br />RMC would add gross alpha to the list of analytes mentioned twice by Mr. Posey as exceeding drinking <br />water standards. BMRI must determine the nature and extent of this radiological contamination, and <br />assess the applicability of the proposed treatment system on these types of parameters, if pertinent. <br />Please call me at 303-665-6283 if you require additional information. <br />Yours truly, <br />ROCKY MOUNTAIN CONSULTANTS, INC. <br />~~uce ~ /~an~~ <br />Bruce T. Marshall, P.G. <br />Associate, Senior Project Hydrogeochemist <br />C:\TEMP\TR26 Response2.wpd <br />